(1/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177380
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz110-190215-
kauai northwest waters-
340 am hst sat jul 18 2026
.today...east winds 15 to 20 knots. seas 5 to 6 feet. wave
detail: east 5 feet at 7 seconds and south southwest 3 feet at
13 seconds. isolated showers this morning.
.tonight...east winds to 20 knots. seas to 5 feet. wave detail:
east 5 feet at 8 seconds. isolated showers after midnight.
.sunday...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 5 feet at 7 seconds. isolated showers in the
afternoon.
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. isolated showers
in the evening. scattered showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
10 seconds. isolated showers.
.monday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 4 feet at 6 seconds and south 4 feet at
15 seconds. scattered showers.
.tuesday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 6 seconds, south 4 feet at 12 seconds
and east 3 feet at 14 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 6 seconds, south 4 feet at 10 seconds and
east 3 feet at 12 seconds. scattered showers in the morning, then
isolated showers through the night. scattered showers after
midnight.
$$
(2/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177381
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz111-190215-
kauai windward waters-
340 am hst sat jul 18 2026
.today...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 7 seconds and south 3 feet at 13 seconds.
isolated showers this morning.
.tonight...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 8 seconds and south 3 feet at 12 seconds.
isolated showers after midnight.
.sunday...east northeast winds to 15 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 7 seconds. isolated showers.
.sunday night...east northeast winds to 15 knots. seas 5 to
6 feet. wave detail: east 5 feet at 7 seconds and south 3 feet at
17 seconds. isolated showers in the evening, then scattered
showers after midnight.
.monday...east northeast winds to 15 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 7 seconds and south 4 feet at
16 seconds. scattered showers.
.monday night...east northeast winds to 15 knots. seas 5 to
7 feet. wave detail: east 5 feet at 6 seconds and south 4 feet at
15 seconds. scattered showers.
.tuesday...east winds to 15 knots. seas 5 to 7 feet. wave detail:
east 5 feet at 6 seconds, south 4 feet at 14 seconds and east
3 feet at 14 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 6 seconds, south 4 feet at 13 seconds and
east 3 feet at 12 seconds. scattered showers in the morning, then
isolated showers through the night. scattered showers after
midnight.
$$
(3/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177382
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz112-190215-
kauai leeward waters-
340 am hst sat jul 18 2026
.today...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 7 seconds and south southwest 3 feet
at 13 seconds. scattered showers this morning. isolated showers
this afternoon.
.tonight...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 7 seconds and south southwest 3 feet
at 12 seconds. isolated showers.
.sunday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 7 seconds and south 3 feet at
12 seconds. isolated showers in the afternoon.
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds and south 3 feet at
17 seconds. isolated showers.
.monday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. seas 5 to 6 feet. wave detail: east
5 feet at 6 seconds and south 4 feet at 16 seconds. isolated
showers.
.monday night...east northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east 5 feet at 6 seconds and south 4 feet at
15 seconds. scattered showers.
.tuesday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 4 feet at
14 seconds. scattered showers, then numerous showers after
midnight.
.wednesday...east winds 15 to 20 knots, rising to 20 to 25 knots
in the afternoon and evening, easing to 15 to 20 knots after
midnight. seas 5 to 6 feet. wave detail: east 5 feet at 6 seconds
and south 4 feet at 13 seconds. scattered showers.
$$
(4/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177383
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz113-190215-
kauai channel-
340 am hst sat jul 18 2026
.today...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 7 seconds and south 3 feet at
13 seconds. isolated showers this morning.
.tonight...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south 3 feet at
12 seconds. isolated showers.
.sunday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
12 seconds. isolated showers in the morning.
.sunday night...east northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east northeast 5 feet at 6 seconds and south
3 feet at 17 seconds. scattered showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas to 6 feet.
wave detail: east northeast 5 feet at 5 seconds and south 4 feet
at 16 seconds. scattered showers.
.monday night...east northeast winds 15 to 20 knots. seas 6 to
7 feet. wave detail: east northeast 4 feet at 6 seconds and south
4 feet at 15 seconds. scattered showers in the evening, then
numerous showers after midnight.
.tuesday...east northeast winds 15 to 20 knots. seas 6 to 7 feet.
wave detail: east northeast 5 feet at 5 seconds and south 4 feet
at 14 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots, becoming east northeast
20 to 25 knots in the afternoon, easing to 15 to 20 knots. seas
5 to 7 feet. wave detail: east northeast 5 feet at 5 seconds and
south 4 feet at 13 seconds. scattered showers, mainly in the
morning.
$$
(5/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177384
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz114-190215-
oahu windward waters-
340 am hst sat jul 18 2026
.today...east winds to 20 knots. seas 5 to 6 feet. wave detail:
east 6 feet at 7 seconds. isolated showers.
.tonight...east northeast winds 15 to 20 knots. seas to 6 feet.
wave detail: east 6 feet at 8 seconds. isolated showers in the
evening, then scattered showers after midnight.
.sunday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 6 feet at 7 seconds. scattered showers, mainly
in the morning.
.sunday night...east northeast winds 15 to 20 knots. seas to
5 feet. wave detail: east 5 feet at 7 seconds. isolated showers
in the evening, then scattered showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds. scattered showers.
.monday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. scattered showers
in the evening, then numerous showers after midnight.
.tuesday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 6 seconds, east 3 feet at 14 seconds and
south 3 feet at 14 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 12 seconds. scattered showers in the
morning, then isolated showers through the night. scattered
showers after midnight.
$$
(6/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177385
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz115-190215-
oahu leeward waters-
340 am hst sat jul 18 2026
.today...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds and south southwest 3 feet
at 13 seconds. isolated showers this morning.
.tonight...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south southwest 3 feet
at 12 seconds.
.sunday...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
12 seconds.
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 4 feet at 5 seconds and south 4 feet at
16 seconds. isolated showers after midnight.
.monday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 5 to 6 feet. wave detail: east
4 feet at 5 seconds and south 4 feet at 16 seconds. isolated
showers.
.monday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas 5 to 6 feet. wave detail:
east 4 feet at 5 seconds and south 4 feet at 15 seconds.
scattered showers.
.tuesday...east northeast winds 10 to 15 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 5 seconds and south 4 feet at
14 seconds. scattered showers in the morning, then isolated
showers in the afternoon. scattered showers through the day.
.wednesday...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 4 feet at 5 seconds and south 4 feet at
13 seconds. scattered showers in the morning. isolated showers.
$$
(7/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177386
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz116-190215-
kaiwi channel-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 13 seconds.
.tonight...east northeast winds 20 to 25 knots. seas 5 to 6 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 12 seconds.
.sunday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east northeast 6 feet at 6 seconds. isolated showers
in the morning.
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 5 feet at 6 seconds and south
3 feet at 16 seconds. scattered showers in the evening. isolated
showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east northeast 5 feet at 6 seconds and south 4 feet
at 16 seconds. scattered showers in the morning. isolated showers
in the afternoon.
.monday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 5 feet at 6 seconds and south
4 feet at 15 seconds. scattered showers.
.tuesday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east northeast 5 feet at 6 seconds, south 4 feet at
14 seconds and east 3 feet at 12 seconds. isolated showers, then
scattered showers after midnight.
.wednesday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots. seas 5 to 7 feet. wave detail: east northeast 5 feet at
5 seconds, south 4 feet at 13 seconds and east 3 feet at
13 seconds. isolated showers in the morning. isolated showers
after midnight.
$$
(8/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177387
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-190215-
maui county windward waters-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...east winds 20 to 25 knots. seas 5 to 6 feet. wave
detail: east 6 feet at 7 seconds. isolated showers this morning.
.tonight...east winds 20 to 25 knots, easing to 15 to 20 knots
after midnight. seas 5 to 6 feet. wave detail: east 6 feet at
7 seconds. isolated showers in the evening, then scattered
showers after midnight.
.sunday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 6 feet at 6 seconds. isolated showers.
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: east 5 feet at 6 seconds. scattered showers.
.monday...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds. scattered showers.
.monday night...east winds 15 to 20 knots. seas 4 to 5 feet. wave
detail: east 4 feet at 5 seconds. scattered showers in the
evening, then numerous showers after midnight.
.tuesday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 5 feet at 6 seconds and east 3 feet at 14 seconds.
scattered showers.
.wednesday...east winds 20 to 25 knots. seas 5 to 6 feet. wave
detail: east 5 feet at 12 seconds. scattered showers in the
morning. isolated showers in the evening, then scattered showers
after midnight.
$$
(9/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177388
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-190215-
maui county leeward waters-
340 am hst sat jul 18 2026
.today...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 7 seconds and south southwest 3 feet
at 13 seconds.
.tonight...east northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. seas 4 to 6 feet. wave detail: east
southeast 4 feet at 7 seconds and south southwest 3 feet at
13 seconds.
.sunday...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 6 seconds and south 3 feet at
18 seconds.
.sunday night...east northeast winds 15 to 20 knots, becoming
northeast 10 to 15 knots after midnight. seas 4 to 6 feet. wave
detail: east 4 feet at 5 seconds and south 4 feet at 16 seconds.
isolated showers after midnight.
.monday...northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 4 to 6 feet. wave detail: south
4 feet at 16 seconds and east 3 feet at 5 seconds.
.monday night...east northeast winds 10 to 15 knots. seas 4 to
5 feet. wave detail: south 4 feet at 15 seconds and east 3 feet
at 5 seconds. scattered showers.
.tuesday...east northeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: south 4 feet at 14 seconds and east 3 feet at
5 seconds. isolated showers through the night. scattered showers
through the day.
.wednesday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon and evening, easing to 10 to 15 knots
after midnight. seas 3 to 5 feet. wave detail: south 4 feet at
13 seconds and east 3 feet at 5 seconds. isolated showers in the
morning. isolated showers through the day.
$$
(10/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177389
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-190215-
maalaea bay-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...north northeast winds 20 to 25 knots. seas to 2 feet or
less. wave detail: northeast 2 feet at 3 seconds.
.tonight...east northeast winds to 10 knots, becoming northeast
15 to 20 knots after midnight. seas to 2 feet or less. wave
detail: northeast 2 feet at 3 seconds.
.sunday...north northeast winds 15 to 20 knots. seas to 2 feet or
less. wave detail: north northeast 2 feet at 3 seconds.
.sunday night...northeast winds 15 to 20 knots. seas to 2 feet or
less.
.monday...northeast winds 10 to 15 knots. seas to 2 feet or less,
then to 3 feet in the afternoon. wave detail: south 3 feet at
15 seconds.
.monday night...northeast winds 15 to 20 knots, easing to 10 to
15 knots after midnight. seas to 3 feet. wave detail: south
3 feet at 15 seconds.
.tuesday...east northeast winds 10 to 15 knots. seas to 3 feet.
wave detail: south 3 feet at 14 seconds.
.wednesday...east northeast winds 15 to 20 knots, easing to 10 to
15 knots. seas to 3 feet. wave detail: south 3 feet at
13 seconds.
$$
(11/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177390
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-190215-
pailolo channel-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 20 to 25 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds. isolated showers.
.tonight...east northeast winds to 20 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 4 seconds. scattered showers.
.sunday...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 4 seconds. isolated showers in the
morning.
.sunday night...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 3 feet at 4 seconds. scattered showers.
.monday...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east 3 feet at 5 seconds. scattered showers.
.monday night...east northeast winds 15 to 20 knots. seas 3 to
5 feet. wave detail: east 3 feet at 5 seconds. scattered showers.
.tuesday...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 3 feet at 6 seconds. scattered showers in the
morning. isolated showers in the afternoon, then scattered
showers through the day.
.wednesday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon, easing to 15 to 20 knots. seas 3 to
5 feet. wave detail: east 3 feet at 5 seconds. isolated showers
in the morning. isolated showers after midnight.
$$
(12/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177391
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-190215-
alenuihaha channel-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 25 to 30 knots. seas 6 to 8 feet.
wave detail: east northeast 7 feet at 6 seconds and south
southwest 3 feet at 13 seconds.
.tonight...east northeast winds 25 to 30 knots, easing to 20 to
25 knots after midnight. seas 5 to 8 feet. wave detail: east
7 feet at 6 seconds and south southwest 3 feet at 13 seconds.
.sunday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south 3 feet at
13 seconds.
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds and south 4 feet at
16 seconds. scattered showers in the evening. isolated showers
after midnight.
.monday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east northeast 4 feet at 5 seconds and south 4 feet
at 16 seconds. scattered showers in the morning. isolated showers
in the afternoon.
.monday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 4 feet at 5 seconds and south
4 feet at 15 seconds. scattered showers.
.tuesday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots. seas 5 to 6 feet. wave detail: east northeast 4 feet at
5 seconds, south 4 feet at 14 seconds and east 3 feet at
12 seconds. isolated showers in the morning. scattered showers.
.wednesday...east northeast winds 20 to 25 knots, rising to 25 to
30 knots in the afternoon, easing to 20 to 25 knots. seas 5 to
7 feet. wave detail: east 5 feet at 6 seconds, south 4 feet at
13 seconds and east 3 feet at 12 seconds. isolated showers in the
morning. isolated showers through the day.
$$
(13/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177392
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz122-190215-
big island windward waters-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 8 seconds and south 3 feet at
14 seconds. isolated showers.
.tonight...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 8 seconds and south 3 feet at
13 seconds. isolated showers in the evening, then scattered
showers after midnight.
.sunday...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 5 feet at 8 seconds and south 3 feet at
13 seconds. isolated showers.
.sunday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas 4 to 6 feet. wave detail:
east 4 feet at 8 seconds and south 4 feet at 17 seconds.
scattered showers.
.monday...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 7 seconds and south 4 feet at
15 seconds. scattered showers, mainly in the morning.
.monday night...east winds 10 to 15 knots. seas 3 to 5 feet. wave
detail: south 4 feet at 14 seconds and east 3 feet at 7 seconds.
scattered showers in the evening, then numerous showers after
midnight.
.tuesday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: south 4 feet at 13 seconds and east 4 feet at 14 seconds.
scattered showers.
.wednesday...east winds 15 to 20 knots. seas 5 to 6 feet. wave
detail: east 4 feet at 12 seconds and south 4 feet at 12 seconds.
isolated showers. scattered showers after midnight.
$$
(14/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177393
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz123-190215-
big island leeward waters-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...west of the big island, west winds 7 to 10 knots. near
south point, east winds 20 to 25 knots, becoming to 20 knots this
afternoon. seas 5 to 7 feet. wave detail: east northeast 5 feet
at 6 seconds and south southwest 3 feet at 13 seconds.
.tonight...west northwest winds 7 to 10 knots west of the big
island...east 20 to 25 knots near south point. seas 5 to 7 feet.
wave detail: east northeast 5 feet at 6 seconds and south
southwest 3 feet at 13 seconds. isolated showers after midnight.
.sunday...west of the big island, west southwest winds 7 to
10 knots. near south point, east winds 15 to 20 knots, becoming
to 20 knots in the afternoon. seas 5 to 7 feet. wave detail: east
northeast 5 feet at 6 seconds and south 3 feet at 13 seconds.
isolated showers in the morning.
.sunday night...west of the big island, northwest winds 7 to
10 knots in the evening, becoming variable less than 10 knots.
near south point, east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas 4 to 6 feet. wave detail:
east northeast 4 feet at 5 seconds and south 4 feet at
17 seconds. isolated showers in the evening. scattered showers
after midnight.
.monday...west of the big island, winds variable less than
10 knots, becoming southwest 7 to 10 knots in the afternoon. near
south point, east winds 10 to 15 knots. seas 4 to 6 feet. wave
detail: south 4 feet at 16 seconds and east northeast 3 feet at
5 seconds. isolated showers in the morning.
.monday night...west of the big island, southwest winds 7 to
10 knots in the evening, becoming variable less than 10 knots.
near south point, east northeast winds 10 to 15 knots. seas 4 to
6 feet. wave detail: south 5 feet at 15 seconds and northeast
3 feet at 5 seconds. isolated showers in the evening, then
scattered showers after midnight.
.tuesday...west of the big island, winds variable less than
10 knots, becoming west southwest 7 to 10 knots in the afternoon,
then becoming variable less than 10 knots. near south point, east
winds 10 to 15 knots, rising to 15 to 20 knots. seas 5 to 7 feet.
wave detail: south 5 feet at 14 seconds and northeast 3 feet at
5 seconds. isolated showers through the night, then scattered
showers through the day.
.wednesday...west of the big island, south winds 7 to 10 knots,
veering to west northwest in the afternoon, backing to southwest
in the evening, veering to west northwest after midnight. near
south point, east winds 20 to 25 knots, easing to 15 to 20 knots
after midnight. seas 4 to 6 feet. wave detail: east northeast
4 feet at 5 seconds and south 4 feet at 13 seconds. isolated
showers through the night. scattered showers through the day.
$$
(15/15)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177394
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz124-190215-
big island southeast waters-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 20 to 25 knots. seas 7 to 8 feet.
wave detail: east 7 feet at 7 seconds and south southwest 3 feet
at 14 seconds. isolated showers this morning.
.tonight...east northeast winds 20 to 25 knots. seas 6 to 8 feet.
wave detail: east 7 feet at 7 seconds and south 3 feet at
13 seconds. isolated showers after midnight.
.sunday...east northeast winds to 20 knots. seas 5 to 8 feet.
wave detail: east 6 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers in the morning.
.sunday night...east northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east 5 feet at 6 seconds and south 4 feet at
17 seconds. isolated showers in the evening, then scattered
showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 5 seconds and south 4 feet at
16 seconds. isolated showers in the morning, then scattered
showers in the afternoon.
.monday night...east northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east 4 feet at 5 seconds and south 4 feet at
15 seconds. scattered showers in the evening, then numerous
showers after midnight.
.tuesday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 4 feet at 12 seconds and south 4 feet at
14 seconds. scattered showers through the night, then numerous
showers through the day.
.wednesday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots. seas 6 to 7 feet. wave detail: east 5 feet at
6 seconds, south 4 feet at 13 seconds and east 3 feet at
11 seconds. scattered showers in the morning, then isolated
showers through the night. scattered showers after midnight.
$$
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