(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 9/20/2026 8:00 PM US/Hawaii.
Valid through 9/21/2026 8:15 AM US/Hawaii.
fzhw50 phfo 210600
cwfhfo
expires:202609211815;;800858
coastal waters forecast
national weather service honolulu hi
800 pm hst sun sep 20 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-211815-
maui county windward waters-
800 pm hst sun sep 20 2026
.rest of tonight...east winds 20 to 25 knots. seas 5 to 6 feet.
wave detail: east 6 feet at 9 seconds. isolated showers.
.monday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 6 feet at 8 seconds. isolated showers.
.monday night...east northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east 6 feet at 8 seconds. scattered showers.
.tuesday...east winds 15 to 20 knots, rising to 20 to 25 knots in
the afternoon. seas 5 to 7 feet, building to 7 to 8 feet in the
afternoon. wave detail: east 7 feet at 8 seconds and north 3 feet
at 11 seconds. scattered showers.
.tuesday night...east winds 20 to 25 knots. seas to 8 feet. wave
detail: east 7 feet at 9 seconds and north 3 feet at 11 seconds.
isolated showers in the evening, then scattered showers after
midnight.
.wednesday...east northeast winds 20 to 25 knots. seas 7 to
8 feet. wave detail: east 7 feet at 9 seconds and north 3 feet at
10 seconds. scattered showers.
.wednesday night...east northeast winds 20 to 25 knots. seas 7 to
8 feet. wave detail: east 7 feet at 9 seconds and north northwest
3 feet at 10 seconds. numerous showers.
.thursday...east winds 25 to 30 knots. seas 7 to 8 feet. wave
detail: east 8 feet at 8 seconds. numerous showers, mainly in the
morning.
.friday...east winds 25 to 35 knots. seas 7 to 9 feet. wave
detail: east 9 feet at 8 seconds. scattered showers. isolated
thunderstorms in the evening.
winds and seas higher in and near tstms.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 9/20/2026 8:00 PM US/Hawaii.
Valid through 9/21/2026 8:15 AM US/Hawaii.
fzhw50 phfo 210600
cwfhfo
expires:202609211815;;800859
coastal waters forecast
national weather service honolulu hi
800 pm hst sun sep 20 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-211815-
maui county leeward waters-
800 pm hst sun sep 20 2026
.rest of tonight...east northeast winds 20 to 25 knots. seas 5 to
7 feet. wave detail: east 5 feet at 7 seconds and south 4 feet at
14 seconds.
.monday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
14 seconds.
.monday night...east northeast winds 20 to 25 knots, easing to
15 to 20 knots after midnight. seas 4 to 6 feet. wave detail:
east 5 feet at 6 seconds and south 3 feet at 13 seconds.
.tuesday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. seas 4 to 6 feet. wave detail: east
4 feet at 6 seconds.
.tuesday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 4 feet at 7 seconds. isolated showers
after midnight.
.wednesday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots in the afternoon. seas 4 to 6 feet. wave detail: east
4 feet at 7 seconds. isolated showers in the morning.
.wednesday night...east northeast winds 20 to 25 knots, becoming
northeast 15 to 20 knots after midnight. seas 3 to 5 feet. wave
detail: east 4 feet at 7 seconds. isolated showers in the
evening, then scattered showers after midnight.
.thursday...northeast winds 15 to 20 knots, becoming east
northeast 20 to 25 knots. seas 3 to 5 feet. wave detail: east
4 feet at 8 seconds and southwest 3 feet at 17 seconds. scattered
showers.
.friday...east northeast winds 20 to 25 knots, rising to 25 to
30 knots. seas 4 to 6 feet. wave detail: east 6 feet at 7 seconds
and southwest 3 feet at 16 seconds. isolated showers.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 9/20/2026 8:00 PM US/Hawaii.
Valid through 9/21/2026 8:15 AM US/Hawaii.
fzhw50 phfo 210600
cwfhfo
expires:202609211815;;800860
coastal waters forecast
national weather service honolulu hi
800 pm hst sun sep 20 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-211815-
maalaea bay-
800 pm hst sun sep 20 2026
...small craft advisory in effect through early tuesday morning...
.rest of tonight...north northeast winds 25 to 30 knots. seas to
2 feet or less. wave detail: east northeast 2 feet at 3 seconds.
.monday...north winds to 25 knots. seas to 3 feet. wave detail:
north northeast 3 feet at 3 seconds.
.monday night...north winds to 25 knots. seas to 3 feet in the
evening, then to 2 feet or less. wave detail: north northeast
3 feet at 3 seconds.
.tuesday...north northeast winds 20 to 25 knots. seas to 2 feet
or less.
.tuesday night...east northeast winds 15 to 20 knots. seas to
2 feet or less.
.wednesday...northeast winds 15 to 20 knots. seas to 2 feet or
less.
.wednesday night...northeast winds 15 to 20 knots. seas to 2 feet
or less. isolated showers.
.thursday...east northeast winds 15 to 20 knots, becoming
northeast 20 to 25 knots after midnight. seas to 3 feet.
scattered showers through the night, then isolated showers
through the day.
.friday...northeast winds 20 to 25 knots, rising to 25 to
35 knots. seas to 3 feet. isolated showers through the night.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 9/20/2026 8:00 PM US/Hawaii.
Valid through 9/21/2026 8:15 AM US/Hawaii.
fzhw50 phfo 210600
cwfhfo
expires:202609211815;;800861
coastal waters forecast
national weather service honolulu hi
800 pm hst sun sep 20 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-211815-
pailolo channel-
800 pm hst sun sep 20 2026
...small craft advisory in effect through early tuesday morning...
.rest of tonight...east northeast winds 25 to 30 knots. seas 4 to
6 feet. wave detail: east 5 feet at 5 seconds.
.monday...east northeast winds 20 to 25 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds.
.monday night...east northeast winds 20 to 25 knots. seas 3 to
5 feet. wave detail: east 4 feet at 5 seconds. isolated showers.
.tuesday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 4 seconds. isolated showers in the
morning.
.tuesday night...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 4 feet at 5 seconds. isolated showers
after midnight.
.wednesday...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 4 feet at 6 seconds. scattered showers
in the morning. isolated showers in the afternoon.
.wednesday night...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 4 feet at 7 seconds. scattered showers.
.thursday...east northeast winds 20 to 25 knots. seas 3 to
5 feet. wave detail: east 4 feet at 7 seconds. scattered showers
through the night, then isolated showers through the day.
.friday...east northeast winds 25 to 30 knots. seas 4 to 6 feet.
wave detail: east northeast 5 feet at 8 seconds. scattered
showers. isolated showers after midnight.
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 9/20/2026 8:00 PM US/Hawaii.
Valid through 9/21/2026 8:15 AM US/Hawaii.
fzhw50 phfo 210600
cwfhfo
expires:202609211815;;800862
coastal waters forecast
national weather service honolulu hi
800 pm hst sun sep 20 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-211815-
alenuihaha channel-
800 pm hst sun sep 20 2026
...small craft advisory in effect through early tuesday morning...
.rest of tonight...east northeast winds 25 to 30 knots. seas 6 to
9 feet. wave detail: east 8 feet at 7 seconds and south southwest
4 feet at 14 seconds. isolated showers.
.monday...east northeast winds 25 to 30 knots. seas 5 to 8 feet.
wave detail: east 7 feet at 6 seconds and south southwest 3 feet
at 14 seconds. isolated showers.
.monday night...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. scattered showers.
.tuesday...east northeast winds 20 to 25 knots, rising to 25 to
30 knots in the afternoon. seas 5 to 7 feet. wave detail: east
6 feet at 6 seconds and south southwest 3 feet at 12 seconds.
scattered showers.
.tuesday night...east northeast winds 25 to 30 knots. seas 5 to
7 feet. wave detail: east 7 feet at 7 seconds. scattered showers.
.wednesday...east northeast winds 25 to 30 knots. seas 6 to
7 feet. wave detail: east 7 feet at 7 seconds. scattered showers.
.wednesday night...east northeast winds 25 to 30 knots. seas 5 to
7 feet. wave detail: east 7 feet at 7 seconds. scattered showers.
.thursday...east northeast winds 25 to 30 knots. seas 5 to
7 feet. wave detail: east 6 feet at 8 seconds and southwest
3 feet at 14 seconds. scattered showers.
.friday...east northeast winds 25 to 35 knots, rising to 30 to
40 knots. seas 6 to 8 feet. wave detail: east northeast 8 feet at
8 seconds and southwest 3 feet at 16 seconds. scattered showers
in the morning, then isolated heavy showers. isolated
thunderstorms through the day.
winds and seas higher in and near tstms.
$$
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