(1/4)
Latest Coastal Waters Forecast by PHFO
Issued 7/21/2026 3:51 AM US/Hawaii.
Valid through 7/21/2026 4:15 PM US/Hawaii.
fzhw50 phfo 211351
cwfhfo
expires:202607220215;;350239
coastal waters forecast
national weather service honolulu hi
351 am hst tue jul 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz113-220215-
kauai channel-
351 am hst tue jul 21 2026
.today...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 5 seconds and south 4 feet at
13 seconds. scattered showers.
.tonight...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
11 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds, south 3 feet at 10 seconds and
east 3 feet at 12 seconds. scattered showers.
.wednesday night...east northeast winds to 20 knots. seas 6 to
9 feet. wave detail: east northeast 6 feet at 6 seconds, south
4 feet at 20 seconds and east 3 feet at 12 seconds. isolated
showers.
.thursday...east northeast winds to 20 knots. seas 6 to 9 feet.
wave detail: east northeast 6 feet at 7 seconds, south 4 feet at
20 seconds and east 3 feet at 11 seconds. isolated showers.
.thursday night...east northeast winds to 20 knots. seas 7 to
9 feet. wave detail: east northeast 7 feet at 7 seconds and south
4 feet at 19 seconds. isolated showers in the evening, then
scattered showers after midnight.
.friday...east northeast winds to 20 knots. seas 7 to 9 feet.
wave detail: east northeast 8 feet at 7 seconds and south 4 feet
at 17 seconds. isolated showers.
.saturday...east northeast winds to 20 knots. seas 6 to 9 feet.
wave detail: east northeast 8 feet at 7 seconds, east 4 feet at
16 seconds and south 4 feet at 18 seconds. isolated showers.
$$
(2/4)
Latest Coastal Waters Forecast by PHFO
Issued 7/21/2026 3:51 AM US/Hawaii.
Valid through 7/21/2026 4:15 PM US/Hawaii.
fzhw50 phfo 211351
cwfhfo
expires:202607220215;;350240
coastal waters forecast
national weather service honolulu hi
351 am hst tue jul 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz114-220215-
oahu windward waters-
351 am hst tue jul 21 2026
.today...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds. scattered showers.
.tonight...east winds 15 to 20 knots. seas 5 to 6 feet. wave
detail: east 5 feet at 7 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 5 to 7 feet,
building to 7 to 8 feet in the afternoon. wave detail: east
6 feet at 6 seconds and east 3 feet at 12 seconds. scattered
showers.
.wednesday night...east northeast winds to 20 knots. seas 7 to
8 feet. wave detail: east 7 feet at 6 seconds and east 3 feet at
12 seconds. isolated showers in the evening, then scattered
showers after midnight.
.thursday...east winds to 20 knots. seas to 8 feet. wave detail:
east 7 feet at 7 seconds and east 3 feet at 11 seconds. isolated
showers.
.thursday night...east winds to 20 knots. seas 8 to 9 feet. wave
detail: east 8 feet at 7 seconds and east 3 feet at 10 seconds.
scattered showers.
.friday...east northeast winds to 20 knots. seas 9 to 10 feet.
wave detail: east 8 feet at 7 seconds. isolated showers, then
scattered showers after midnight.
.saturday...east northeast winds to 20 knots. seas 7 to 9 feet.
wave detail: east 9 feet at 16 seconds. isolated showers.
$$
(3/4)
Latest Coastal Waters Forecast by PHFO
Issued 7/21/2026 3:51 AM US/Hawaii.
Valid through 7/21/2026 4:15 PM US/Hawaii.
fzhw50 phfo 211351
cwfhfo
expires:202607220215;;350241
coastal waters forecast
national weather service honolulu hi
351 am hst tue jul 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz115-220215-
oahu leeward waters-
351 am hst tue jul 21 2026
.today...east northeast winds 15 to 20 knots, easing to 10 to
15 knots this afternoon. seas 4 to 6 feet. wave detail: east
4 feet at 5 seconds and south 4 feet at 14 seconds. scattered
showers.
.tonight...east northeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds and south 3 feet at
12 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 5 feet at 6 seconds and south 3 feet at 10 seconds.
scattered showers, mainly in the morning.
.wednesday night...east northeast winds to 20 knots. seas 5 to
7 feet. wave detail: east 5 feet at 6 seconds and south 4 feet at
20 seconds. isolated showers after midnight.
.thursday...east northeast winds to 20 knots. seas 6 to 7 feet.
wave detail: east 5 feet at 7 seconds and south 4 feet at
20 seconds. isolated showers.
.thursday night...east northeast winds to 20 knots. seas 6 to
8 feet. wave detail: east 6 feet at 7 seconds and south 4 feet at
19 seconds. isolated showers.
.friday...east northeast winds 15 to 20 knots. seas 6 to 8 feet.
wave detail: east northeast 7 feet at 7 seconds and south 4 feet
at 17 seconds. isolated showers.
.saturday...east northeast winds 15 to 20 knots. seas 5 to
7 feet. wave detail: east northeast 7 feet at 7 seconds and south
4 feet at 18 seconds. isolated showers in the morning. isolated
showers through the day.
$$
(4/4)
Latest Coastal Waters Forecast by PHFO
Issued 7/21/2026 3:51 AM US/Hawaii.
Valid through 7/21/2026 4:15 PM US/Hawaii.
fzhw50 phfo 211351
cwfhfo
expires:202607220215;;350242
coastal waters forecast
national weather service honolulu hi
351 am hst tue jul 21 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz116-220215-
kaiwi channel-
351 am hst tue jul 21 2026
.today...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 5 seconds and south 4 feet at
14 seconds. scattered showers.
.tonight...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 5 seconds and south 3 feet at
12 seconds. scattered showers.
.wednesday...east northeast winds to 20 knots. seas 5 to 8 feet.
wave detail: east northeast 7 feet at 6 seconds, south 3 feet at
12 seconds and east 3 feet at 12 seconds. scattered showers,
mainly in the morning.
.wednesday night...east northeast winds to 20 knots. seas 6 to
8 feet. wave detail: east northeast 7 feet at 6 seconds, south
4 feet at 20 seconds and east 3 feet at 12 seconds. isolated
showers after midnight.
.thursday...east northeast winds 20 to 25 knots. seas 6 to
9 feet. wave detail: east northeast 7 feet at 7 seconds, south
4 feet at 20 seconds and east 3 feet at 11 seconds. isolated
showers in the morning.
.thursday night...east northeast winds to 20 knots. seas 7 to
9 feet. wave detail: east northeast 8 feet at 7 seconds, south
4 feet at 19 seconds and east 3 feet at 10 seconds. isolated
showers.
.friday...east northeast winds to 20 knots. seas 7 to 10 feet.
wave detail: east northeast 9 feet at 7 seconds and south
southwest 4 feet at 18 seconds. isolated showers.
.saturday...east northeast winds to 20 knots. seas 6 to 9 feet.
wave detail: east northeast 9 feet at 7 seconds, east 5 feet at
16 seconds and south southwest 4 feet at 18 seconds. isolated
showers.
$$
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