(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/19/2026 3:20 AM US/Hawaii.
Valid through 8/19/2026 4:30 PM US/Hawaii.
fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992884
coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-200230-
maui county windward waters-
320 am hst wed aug 19 2026
.today...east northeast winds 10 to 15 knots. seas to 4 feet.
wave detail: east 4 feet at 8 seconds. scattered showers.
.tonight...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 8 seconds. isolated showers.
.thursday...east northeast winds 10 to 15 knots, becoming 7 to
10 knots in the afternoon. seas 3 to 4 feet. wave detail: east
3 feet at 7 seconds. isolated showers in the morning, then
scattered showers in the afternoon.
.thursday night...east winds 7 to 10 knots. seas to 3 feet. wave
detail: east 3 feet at 7 seconds. scattered showers in the
evening, then numerous showers after midnight.
.friday...east southeast winds to 10 knots, rising to 15 knots in
the afternoon. seas to 3 feet. wave detail: east 3 feet at
5 seconds. scattered showers.
.friday night...east winds to 15 knots. seas 3 to 4 feet. wave
detail: east 4 feet at 6 seconds. scattered showers.
.saturday...east winds to 15 knots, rising to 20 knots. seas 5 to
6 feet. wave detail: east southeast 6 feet at 7 seconds. isolated
showers, then scattered showers after midnight.
.sunday...east winds 20 to 25 knots. seas 6 to 9 feet. wave
detail: east 6 feet at 7 seconds. scattered showers, then
numerous heavy showers after midnight.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/19/2026 3:20 AM US/Hawaii.
Valid through 8/19/2026 4:30 PM US/Hawaii.
fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992885
coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-200230-
maui county leeward waters-
320 am hst wed aug 19 2026
.today...east northeast winds 10 to 15 knots. seas to 3 feet.
wave detail: east 3 feet at 5 seconds.
.tonight...east northeast winds 15 to 20 knots. seas to 3 feet.
.thursday...east northeast winds 10 to 15 knots. seas to 2 feet
or less. isolated showers in the afternoon.
.thursday night...northeast winds 7 to 10 knots in the evening,
becoming variable less than 10 knots. seas to 2 feet or less,
then to 3 feet after midnight. isolated showers in the evening,
then scattered showers after midnight.
.friday...north northeast winds 7 to 10 knots. seas to 3 feet.
isolated showers.
.friday night...east northeast winds 7 to 10 knots. seas 3 to
4 feet. wave detail: east southeast 3 feet at 6 seconds. isolated
showers in the evening, then scattered showers after midnight.
.saturday...north northeast winds 7 to 10 knots, veering to
northeast 10 to 15 knots. seas 3 to 4 feet. wave detail: east
4 feet at 6 seconds. isolated showers.
.sunday...northeast winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 5 feet at 7 seconds. isolated showers through the
night, then scattered showers through the day.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/19/2026 3:20 AM US/Hawaii.
Valid through 8/19/2026 4:30 PM US/Hawaii.
fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992886
coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-200230-
maalaea bay-
320 am hst wed aug 19 2026
.today...north winds to 20 knots. seas to 2 feet or less.
.tonight...north winds to 20 knots. seas to 2 feet or less.
.thursday...north winds to 20 knots. seas to 2 feet or less.
isolated showers in the afternoon.
.thursday night...north winds to 15 knots in the evening,
becoming variable less than 10 knots. seas to 2 feet or less.
scattered showers after midnight.
.friday...north winds to 15 knots, becoming north northeast in
the afternoon. seas to 2 feet or less. scattered showers, mainly
in the morning.
.friday night...north northeast winds to 20 knots. seas to 2 feet
or less. isolated showers after midnight.
.saturday...north winds to 25 knots. seas to 2 feet or less. wave
detail: northeast 2 feet at 3 seconds.
.sunday...north winds to 30 knots, easing to 25 knots after
midnight. seas to 3 feet. wave detail: north northeast 3 feet at
3 seconds. isolated showers in the afternoon. scattered showers
through the day.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/19/2026 3:20 AM US/Hawaii.
Valid through 8/19/2026 4:30 PM US/Hawaii.
fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992887
coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-200230-
pailolo channel-
320 am hst wed aug 19 2026
.today...east northeast winds 15 to 20 knots. seas to 3 feet.
isolated showers.
.tonight...east northeast winds 15 to 20 knots. seas to 3 feet.
.thursday...east northeast winds 15 to 20 knots. seas to 3 feet.
isolated showers in the morning, then scattered showers in the
afternoon.
.thursday night...east northeast winds 10 to 15 knots in the
evening, becoming variable less than 10 knots. seas to 2 feet or
less. scattered showers.
.friday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas to 2 feet or less, then to 3 feet
in the afternoon. scattered showers.
.friday night...east northeast winds 15 to 20 knots. seas 3 to
4 feet. wave detail: east 3 feet at 5 seconds. scattered showers.
.saturday...east northeast winds 20 to 25 knots. seas 3 to
5 feet. wave detail: east 4 feet at 4 seconds. isolated showers.
.sunday...east northeast winds 25 to 30 knots, easing to 20 to
25 knots after midnight. seas 3 to 5 feet. wave detail: east
4 feet at 4 seconds. isolated showers through the night.
scattered showers through the day.
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/19/2026 3:20 AM US/Hawaii.
Valid through 8/19/2026 4:30 PM US/Hawaii.
fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992888
coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-200230-
alenuihaha channel-
320 am hst wed aug 19 2026
.today...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 5 seconds. isolated showers this
morning. scattered showers this afternoon.
.tonight...east northeast winds 20 to 25 knots, easing to 15 to
20 knots after midnight. seas to 3 feet. wave detail: east 3 feet
at 6 seconds. isolated showers.
.thursday...east northeast winds 15 to 20 knots. seas to 3 feet.
wave detail: east 3 feet at 5 seconds. isolated showers in the
morning. scattered showers in the afternoon.
.thursday night...east northeast winds 10 to 15 knots. seas to
2 feet or less, then to 3 feet after midnight. isolated showers
in the evening, then scattered showers after midnight.
.friday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 3 to 4 feet. wave detail: east
3 feet at 5 seconds. isolated showers in the morning, then
scattered showers in the afternoon.
.friday night...east northeast winds 15 to 20 knots. seas 4 to
5 feet. wave detail: east 5 feet at 6 seconds. isolated showers
in the evening, then scattered showers after midnight.
.saturday...east northeast winds 20 to 25 knots, becoming
northeast 25 to 30 knots after midnight. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds. isolated showers.
.sunday...east northeast winds 25 to 30 knots, easing to 20 to
25 knots after midnight. seas 6 to 9 feet. wave detail: east
7 feet at 6 seconds. isolated showers through the night, then
scattered showers through the day.
$$
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