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(1/5)
Latest Coastal Waters Forecast by PHFO
Issued 5/21/2026 3:15 PM US/Hawaii.
Valid through 5/22/2026 4:15 AM US/Hawaii.
fzhw50 phfo 220115 cca
cwfhfo
expires:202605221415;;429157
coastal waters forecast...corrected
national weather service honolulu hi
315 pm hst thu may 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz117-221415-
maui county windward waters-
315 pm hst thu may 21 2026
...small craft advisory in effect through saturday afternoon...
.tonight...east northeast winds 25 to 30 knots, easing to 20 to
25 knots after midnight. seas 8 to 10 feet. wave detail: east
8 feet at 7 seconds. isolated showers.
.friday...east northeast winds 20 to 25 knots. seas 8 to 9 feet.
wave detail: east 8 feet at 7 seconds. isolated showers.
.friday night...east northeast winds 20 to 25 knots. seas 7 to
9 feet. wave detail: east 8 feet at 7 seconds. scattered showers.
.saturday...east northeast winds 20 to 25 knots. seas 7 to
9 feet. wave detail: east 8 feet at 7 seconds. scattered showers,
mainly in the morning.
.saturday night...east winds 20 to 25 knots. seas 8 to 9 feet.
wave detail: east 8 feet at 7 seconds. isolated showers in the
evening, then scattered showers after midnight.
.sunday...east winds 20 to 25 knots. seas 8 to 9 feet. wave
detail: east 8 feet at 7 seconds. isolated showers.
.sunday night...east winds 20 to 25 knots. seas to 8 feet. wave
detail: east 7 feet at 7 seconds. isolated showers in the
evening, then scattered showers after midnight.
.monday...east winds 20 to 25 knots. seas 7 to 8 feet. wave
detail: east 7 feet at 7 seconds. isolated showers, then
scattered showers after midnight.
.tuesday...east winds 15 to 20 knots. seas 7 to 8 feet. wave
detail: east 7 feet at 6 seconds and northwest 4 feet at
16 seconds. isolated showers, then scattered showers after
midnight.
$$
(2/5)
Latest Coastal Waters Forecast by PHFO
Issued 5/21/2026 3:15 PM US/Hawaii.
Valid through 5/22/2026 4:15 AM US/Hawaii.
fzhw50 phfo 220115 cca
cwfhfo
expires:202605221415;;429158
coastal waters forecast...corrected
national weather service honolulu hi
315 pm hst thu may 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz118-221415-
maui county leeward waters-
315 pm hst thu may 21 2026
...small craft advisory in effect through saturday afternoon...
.tonight...east northeast winds 20 to 25 knots. seas 7 to
10 feet. wave detail: east 9 feet at 8 seconds.
.friday...east northeast winds 20 to 25 knots. seas 6 to 9 feet.
wave detail: east 8 feet at 7 seconds and south 3 feet at
17 seconds.
.friday night...northeast winds 20 to 25 knots, becoming east
northeast 15 to 20 knots after midnight. seas 6 to 9 feet. wave
detail: east 7 feet at 6 seconds and south 3 feet at 17 seconds.
.saturday...east northeast winds 15 to 20 knots. seas 5 to
7 feet. wave detail: east 6 feet at 6 seconds and south 3 feet at
16 seconds.
.saturday night...east northeast winds 15 to 20 knots. seas 5 to
7 feet. wave detail: east 6 feet at 6 seconds and south 3 feet at
15 seconds.
.sunday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
14 seconds.
.sunday night...east northeast winds 10 to 15 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. isolated showers
after midnight.
.monday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 6 seconds. isolated showers after
midnight.
.tuesday...east northeast winds 15 to 20 knots, easing to 10 to
15 knots in the afternoon, rising to 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds and south 3 feet at
14 seconds. isolated showers after midnight.
$$
(3/5)
Latest Coastal Waters Forecast by PHFO
Issued 5/21/2026 3:15 PM US/Hawaii.
Valid through 5/22/2026 4:15 AM US/Hawaii.
fzhw50 phfo 220115 cca
cwfhfo
expires:202605221415;;429159
coastal waters forecast...corrected
national weather service honolulu hi
315 pm hst thu may 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz119-221415-
maalaea bay-
315 pm hst thu may 21 2026
...gale warning in effect through early friday morning...
.tonight...north winds to 35 knots. seas 3 to 4 feet. wave
detail: north northeast 4 feet at 4 seconds.
.friday...north winds to 30 knots, easing to 25 knots in the
afternoon. seas 3 to 4 feet. wave detail: north 4 feet at
4 seconds.
.friday night...north winds to 25 knots. seas 3 to 4 feet. wave
detail: north 4 feet at 4 seconds.
.saturday...north winds to 25 knots. seas to 3 feet. wave detail:
north northeast 3 feet at 4 seconds.
.saturday night...north winds to 25 knots. seas 3 to 4 feet. wave
detail: north northeast 3 feet at 4 seconds.
.sunday...north winds to 25 knots. seas to 3 feet. wave detail:
north northeast 3 feet at 4 seconds.
.sunday night...north winds to 25 knots. seas to 3 feet. wave
detail: north northeast 3 feet at 4 seconds.
.monday...north winds to 25 knots. seas to 2 feet or less. wave
detail: north northeast 2 feet at 4 seconds.
.tuesday...north winds to 25 knots. seas to 2 feet or less. wave
detail: north northeast 2 feet at 3 seconds.
$$
(4/5)
Latest Coastal Waters Forecast by PHFO
Issued 5/21/2026 3:15 PM US/Hawaii.
Valid through 5/22/2026 4:15 AM US/Hawaii.
fzhw50 phfo 220115 cca
cwfhfo
expires:202605221415;;429160
coastal waters forecast...corrected
national weather service honolulu hi
315 pm hst thu may 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz120-221415-
pailolo channel-
315 pm hst thu may 21 2026
...gale warning in effect through early friday morning...
.tonight...east northeast winds 30 to 35 knots. seas 7 to 9 feet.
wave detail: east 8 feet at 6 seconds. isolated showers.
.friday...east northeast winds 25 to 30 knots. seas 6 to 9 feet.
wave detail: east 7 feet at 6 seconds. isolated showers in the
morning.
.friday night...east northeast winds 20 to 25 knots. seas 5 to
8 feet. wave detail: east northeast 6 feet at 6 seconds. isolated
showers.
.saturday...east northeast winds 20 to 25 knots. seas 5 to
8 feet. wave detail: east northeast 5 feet at 7 seconds. isolated
showers in the morning.
.saturday night...east northeast winds 20 to 25 knots. seas 5 to
7 feet. wave detail: east northeast 5 feet at 7 seconds. isolated
showers.
.sunday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east northeast 5 feet at 7 seconds. isolated showers
in the morning.
.sunday night...east northeast winds 20 to 25 knots. seas 5 to
7 feet. wave detail: east northeast 5 feet at 7 seconds. isolated
showers.
.monday...east northeast winds 20 to 25 knots. seas 4 to 6 feet.
wave detail: east northeast 5 feet at 7 seconds. isolated showers
in the morning. isolated showers through the day.
.tuesday...east northeast winds 20 to 25 knots. seas 3 to 5 feet.
wave detail: east northeast 5 feet at 6 seconds. isolated showers
in the morning. isolated showers through the day.
$$
(5/5)
Latest Coastal Waters Forecast by PHFO
Issued 5/21/2026 3:15 PM US/Hawaii.
Valid through 5/22/2026 4:15 AM US/Hawaii.
fzhw50 phfo 220115 cca
cwfhfo
expires:202605221415;;429161
coastal waters forecast...corrected
national weather service honolulu hi
315 pm hst thu may 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz121-221415-
alenuihaha channel-
315 pm hst thu may 21 2026
...gale warning in effect through early friday morning...
.tonight...east northeast winds 30 to 35 knots. seas 10 to
14 feet. wave detail: east 12 feet at 7 seconds. scattered
showers this evening. isolated showers after midnight.
.friday...east northeast winds 25 to 30 knots. seas 9 to 13 feet.
wave detail: east 11 feet at 7 seconds and south southwest 3 feet
at 14 seconds. isolated showers.
.friday night...east northeast winds 25 to 30 knots. seas 8 to
11 feet. wave detail: east 10 feet at 7 seconds and south
southwest 3 feet at 17 seconds. scattered showers.
.saturday...east northeast winds 25 to 30 knots. seas 8 to
11 feet. wave detail: east northeast 8 feet at 7 seconds and
south southwest 3 feet at 16 seconds. scattered showers in the
morning. isolated showers in the afternoon.
.saturday night...east northeast winds 25 to 30 knots. seas 7 to
9 feet. wave detail: east northeast 8 feet at 7 seconds and south
3 feet at 15 seconds. isolated showers.
.sunday...east northeast winds 25 to 30 knots. seas 7 to 9 feet.
wave detail: east northeast 8 feet at 7 seconds and south 3 feet
at 14 seconds. isolated showers.
.sunday night...east northeast winds 25 to 30 knots, easing to
20 to 25 knots after midnight. seas 6 to 9 feet. wave detail:
east northeast 8 feet at 6 seconds. isolated showers.
.monday...east northeast winds 20 to 25 knots. seas 6 to 7 feet.
wave detail: east northeast 7 feet at 6 seconds. isolated
showers.
.tuesday...east northeast winds 20 to 25 knots. seas 6 to 7 feet.
wave detail: east northeast 7 feet at 6 seconds and south 3 feet
at 14 seconds. isolated showers.
$$
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