(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/21/2026 4:12 AM US/Hawaii.
Valid through 8/21/2026 5:15 PM US/Hawaii.
fzhw50 phfo 211412
cwfhfo
expires:202608220315;;110762
coastal waters forecast
national weather service honolulu hi
412 am hst fri aug 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-220315-
maui county windward waters-
412 am hst fri aug 21 2026
.today...east southeast winds 15 to 20 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 6 seconds. scattered showers this
morning. isolated showers this afternoon.
.tonight...east winds 15 to 20 knots. seas 4 to 5 feet, building
to 5 to 7 feet after midnight. wave detail: east southeast 6 feet
at 7 seconds.
.saturday...east winds 20 to 25 knots. seas 6 to 8 feet. wave
detail: east southeast 7 feet at 7 seconds. scattered showers in
the afternoon.
.saturday night...east winds 20 to 25 knots, rising to 25 to
30 knots after midnight. seas 8 to 9 feet. wave detail: east
southeast 8 feet at 8 seconds and west northwest 3 feet at
12 seconds. scattered showers.
.sunday...east northeast winds 25 to 30 knots. seas 8 to 9 feet,
building to 9 to 11 feet in the afternoon. wave detail: east
southeast 10 feet at 9 seconds. scattered showers.
.sunday night...east winds 25 to 30 knots. seas 9 to 10 feet.
wave detail: east southeast 9 feet at 9 seconds. scattered
showers.
.monday...east winds 25 to 30 knots, easing to 15 to 20 knots.
seas 8 to 9 feet. wave detail: east southeast 9 feet at
8 seconds. scattered showers.
.tuesday...east winds 15 to 20 knots. seas 5 to 8 feet. wave
detail: east 7 feet at 7 seconds. scattered showers in the
morning, then isolated showers through the night. scattered
showers after midnight.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/21/2026 4:12 AM US/Hawaii.
Valid through 8/21/2026 5:15 PM US/Hawaii.
fzhw50 phfo 211412
cwfhfo
expires:202608220315;;110763
coastal waters forecast
national weather service honolulu hi
412 am hst fri aug 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-220315-
maui county leeward waters-
412 am hst fri aug 21 2026
.today...north northeast winds 7 to 10 knots, backing to north
10 to 15 knots this afternoon. seas 3 to 4 feet. wave detail:
east southeast 3 feet at 6 seconds.
.tonight...east winds 10 to 15 knots, becoming east northeast
15 to 20 knots after midnight. seas 4 to 6 feet. wave detail:
east southeast 4 feet at 6 seconds.
.saturday...northeast winds 10 to 15 knots, becoming east
northeast 15 to 20 knots in the afternoon. seas 4 to 6 feet. wave
detail: east 5 feet at 8 seconds. isolated showers in the
afternoon.
.saturday night...east northeast winds 15 to 20 knots, rising to
20 to 25 knots after midnight. seas 5 to 7 feet. wave detail:
east 6 feet at 8 seconds. isolated showers in the evening, then
scattered showers after midnight.
.sunday...northeast winds 25 to 30 knots. seas 5 to 7 feet,
building to 6 to 9 feet in the afternoon. wave detail: east
9 feet at 7 seconds. scattered showers.
.sunday night...east northeast winds 25 to 30 knots, easing to
15 to 20 knots after midnight. seas 6 to 9 feet. wave detail:
east 9 feet at 8 seconds and south southwest 3 feet at
14 seconds. isolated showers.
.monday...east northeast winds 15 to 20 knots, easing to 10 to
15 knots. seas 5 to 8 feet. wave detail: east southeast 6 feet at
8 seconds and south southwest 3 feet at 13 seconds. isolated
showers in the morning, then scattered showers.
.tuesday...east northeast winds 10 to 15 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south southwest 3 feet
at 15 seconds. scattered showers through the night, then isolated
showers in the evening. scattered showers after midnight.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/21/2026 4:12 AM US/Hawaii.
Valid through 8/21/2026 5:15 PM US/Hawaii.
fzhw50 phfo 211412
cwfhfo
expires:202608220315;;110764
coastal waters forecast
national weather service honolulu hi
412 am hst fri aug 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-220315-
maalaea bay-
412 am hst fri aug 21 2026
.today...north winds 15 to 20 knots. seas to 2 feet or less.
.tonight...north northeast winds 20 to 25 knots. seas to 2 feet
or less.
.saturday...north northeast winds 25 to 30 knots. seas to 2 feet
or less. wave detail: southeast 2 feet at 5 seconds.
.saturday night...north northeast winds 25 to 30 knots. seas to
2 feet or less. wave detail: southeast 2 feet at 6 seconds.
isolated showers after midnight.
.sunday...north winds to 30 knots. seas to 2 feet or less, then
3 to 4 feet in the afternoon. wave detail: east 4 feet at
4 seconds. scattered showers in the morning, then heavy showers
likely in the afternoon.
.sunday night...north northeast winds 25 to 30 knots. seas to
3 feet. wave detail: southeast 3 feet at 7 seconds. isolated
showers.
.monday...north winds 25 to 30 knots, easing to 20 to 25 knots.
seas to 2 feet or less. wave detail: south southeast 2 feet at
8 seconds. isolated showers in the morning, then scattered
showers.
.tuesday...north winds to 25 knots. seas to 2 feet or less.
scattered showers through the night, then isolated showers
through the day.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/21/2026 4:12 AM US/Hawaii.
Valid through 8/21/2026 5:15 PM US/Hawaii.
fzhw50 phfo 211412
cwfhfo
expires:202608220315;;110765
coastal waters forecast
national weather service honolulu hi
412 am hst fri aug 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-220315-
pailolo channel-
412 am hst fri aug 21 2026
.today...east northeast winds 15 to 20 knots. seas 3 to 4 feet.
wave detail: east 3 feet at 4 seconds.
.tonight...east northeast winds 15 to 20 knots, rising to 20 to
25 knots after midnight. seas 3 to 5 feet. wave detail: east
4 feet at 5 seconds.
.saturday...east northeast winds 20 to 25 knots, rising to 25 to
30 knots in the afternoon. seas 4 to 6 feet. wave detail: east
6 feet at 5 seconds. scattered showers in the afternoon.
.saturday night...east northeast winds 25 to 30 knots. seas 5 to
7 feet. wave detail: east 6 feet at 5 seconds. scattered showers.
.sunday...east northeast winds 25 to 30 knots. seas 5 to 8 feet.
wave detail: east 7 feet at 6 seconds. scattered showers.
.sunday night...east northeast winds 25 to 30 knots. seas 5 to
8 feet. wave detail: east 7 feet at 6 seconds. scattered showers.
.monday...east northeast winds 25 to 30 knots, easing to 15 to
20 knots. seas 5 to 7 feet. wave detail: east 5 feet at
7 seconds. scattered showers.
.tuesday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 7 seconds. scattered showers through
the night, then isolated showers through the day.
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 8/21/2026 4:12 AM US/Hawaii.
Valid through 8/21/2026 5:15 PM US/Hawaii.
fzhw50 phfo 211412
cwfhfo
expires:202608220315;;110766
coastal waters forecast
national weather service honolulu hi
412 am hst fri aug 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-220315-
alenuihaha channel-
412 am hst fri aug 21 2026
.today...east northeast winds 15 to 20 knots. seas 3 to 4 feet,
building to 4 to 6 feet this afternoon. wave detail: east 5 feet
at 6 seconds. scattered showers this morning.
.tonight...east northeast winds 15 to 20 knots, rising to 20 to
25 knots after midnight. seas 5 to 7 feet. wave detail: east
6 feet at 6 seconds.
.saturday...east northeast winds 20 to 25 knots, rising to 25 to
30 knots in the afternoon. seas 5 to 8 feet, building to 7 to
10 feet in the afternoon. wave detail: east 9 feet at 7 seconds.
isolated showers in the afternoon.
.saturday night...east northeast winds 25 to 30 knots. seas 8 to
11 feet. wave detail: east 11 feet at 7 seconds. isolated showers
in the evening, then scattered showers after midnight.
.sunday...east northeast winds 25 to 30 knots. seas 8 to 10 feet,
building to 9 to 12 feet in the afternoon. wave detail: east
12 feet at 8 seconds. scattered showers.
.sunday night...east northeast winds 25 to 30 knots. seas 9 to
13 feet, subsiding to 8 to 11 feet after midnight. wave detail:
east northeast 12 feet at 8 seconds. scattered showers.
.monday...east northeast winds 25 to 30 knots, easing to 15 to
20 knots. seas 7 to 9 feet. wave detail: east 8 feet at 8 seconds
and south southwest 3 feet at 13 seconds. scattered showers.
.tuesday...east northeast winds 20 to 25 knots. seas 5 to 8 feet.
wave detail: east 7 feet at 7 seconds and south southwest 3 feet
at 15 seconds. scattered showers.
$$
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