(1/5)
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.
$$
(2/5)
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.
$$
(3/5)
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.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177390
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-190215-
pailolo channel-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 20 to 25 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds. isolated showers.
.tonight...east northeast winds to 20 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 4 seconds. scattered showers.
.sunday...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 4 seconds. isolated showers in the
morning.
.sunday night...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 3 feet at 4 seconds. scattered showers.
.monday...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east 3 feet at 5 seconds. scattered showers.
.monday night...east northeast winds 15 to 20 knots. seas 3 to
5 feet. wave detail: east 3 feet at 5 seconds. scattered showers.
.tuesday...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 3 feet at 6 seconds. scattered showers in the
morning. isolated showers in the afternoon, then scattered
showers through the day.
.wednesday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon, easing to 15 to 20 knots. seas 3 to
5 feet. wave detail: east 3 feet at 5 seconds. isolated showers
in the morning. isolated showers after midnight.
$$
(5/5)
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.
$$
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