(1/4)
Latest Coastal Waters Forecast by PHFO
Issued 8/31/2026 3:40 AM US/Hawaii.
Valid through 8/31/2026 4:15 PM US/Hawaii.
fzhw50 phfo 311340
cwfhfo
expires:202609010215;;665562
coastal waters forecast
national weather service honolulu hi
340 am hst mon aug 31 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz113-010215-
kauai channel-
340 am hst mon aug 31 2026
.today...east northeast winds to 20 knots. seas 6 to 7 feet. wave
detail: east 6 feet at 6 seconds and south 3 feet at 11 seconds.
scattered showers, mainly this morning.
.tonight...east northeast winds to 20 knots. seas 7 to 8 feet.
wave detail: east northeast 7 feet at 7 seconds and south 3 feet
at 20 seconds. isolated showers.
.tuesday...east northeast winds 15 to 20 knots. seas 6 to 8 feet.
wave detail: east northeast 6 feet at 7 seconds and south 4 feet
at 18 seconds. isolated showers in the morning, then scattered
showers in the afternoon.
.tuesday night...east northeast winds to 20 knots. seas 6 to
7 feet. wave detail: east northeast 6 feet at 7 seconds and south
4 feet at 17 seconds. scattered showers.
.wednesday...east northeast winds 15 to 20 knots. seas 6 to
7 feet. wave detail: east northeast 6 feet at 7 seconds and south
4 feet at 16 seconds. scattered showers.
.wednesday night...east northeast winds to 20 knots. seas 7 to
9 feet. wave detail: east 7 feet at 7 seconds, southeast 5 feet
at 14 seconds and south 4 feet at 15 seconds. isolated showers.
.thursday...east northeast winds 20 to 25 knots. seas 8 to
11 feet. wave detail: east 8 feet at 8 seconds, southeast 5 feet
at 12 seconds and south 4 feet at 14 seconds. isolated showers.
.friday...east northeast winds 20 to 25 knots. seas 7 to 10 feet.
wave detail: east northeast 9 feet at 8 seconds, south 5 feet at
9 seconds and east 3 feet at 10 seconds. scattered showers
through the night, then isolated showers in the evening.
scattered showers after midnight.
$$
(2/4)
Latest Coastal Waters Forecast by PHFO
Issued 8/31/2026 3:40 AM US/Hawaii.
Valid through 8/31/2026 4:15 PM US/Hawaii.
fzhw50 phfo 311340
cwfhfo
expires:202609010215;;665563
coastal waters forecast
national weather service honolulu hi
340 am hst mon aug 31 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz114-010215-
oahu windward waters-
340 am hst mon aug 31 2026
.today...east northeast winds to 20 knots. seas to 6 feet. wave
detail: east 6 feet at 7 seconds. scattered showers, mainly this
morning.
.tonight...east northeast winds to 20 knots. seas 7 to 8 feet.
wave detail: east 8 feet at 7 seconds. isolated showers in the
evening, then scattered showers after midnight.
.tuesday...east northeast winds 15 to 20 knots. seas 6 to 7 feet.
wave detail: east 7 feet at 7 seconds. scattered showers.
.tuesday night...east northeast winds to 20 knots. seas 7 to
8 feet. wave detail: east 7 feet at 7 seconds. scattered showers.
.wednesday...east northeast winds to 20 knots. seas 7 to 8 feet.
wave detail: east 7 feet at 7 seconds. scattered showers.
.wednesday night...east northeast winds to 20 knots. seas 7 to
8 feet. wave detail: east 8 feet at 8 seconds. scattered showers.
.thursday...east northeast winds 20 to 25 knots. gusts up to
35 knots. seas 8 to 11 feet. wave detail: east 9 feet at
8 seconds, south 4 feet at 14 seconds and southeast 3 feet at
12 seconds. scattered showers in the morning, then isolated
showers in the afternoon. scattered showers through the day.
.friday...east northeast winds 20 to 25 knots. gusts up to
35 knots. seas 8 to 11 feet. wave detail: east 10 feet at
8 seconds, east 5 feet at 12 seconds and south 4 feet at
9 seconds. scattered showers.
$$
(3/4)
Latest Coastal Waters Forecast by PHFO
Issued 8/31/2026 3:40 AM US/Hawaii.
Valid through 8/31/2026 4:15 PM US/Hawaii.
fzhw50 phfo 311340
cwfhfo
expires:202609010215;;665564
coastal waters forecast
national weather service honolulu hi
340 am hst mon aug 31 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz115-010215-
oahu leeward waters-
340 am hst mon aug 31 2026
.today...east northeast winds to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds and south 3 feet at 11 seconds.
isolated showers.
.tonight...east northeast winds to 20 knots. seas 5 to 8 feet.
wave detail: east northeast 7 feet at 7 seconds and south 3 feet
at 20 seconds. isolated showers.
.tuesday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east northeast 6 feet at 6 seconds and south 4 feet
at 18 seconds. isolated showers.
.tuesday night...northeast winds 20 to 25 knots, becoming east
northeast 15 to 20 knots after midnight. seas 5 to 7 feet. wave
detail: east northeast 5 feet at 6 seconds and south 4 feet at
17 seconds. scattered showers.
.wednesday...east northeast winds 15 to 20 knots. seas 5 to
7 feet. wave detail: east northeast 5 feet at 6 seconds and south
4 feet at 16 seconds. scattered showers.
.wednesday night...east northeast winds to 20 knots. seas 6 to
9 feet. wave detail: east southeast 6 feet at 7 seconds,
southeast 5 feet at 14 seconds and south 4 feet at 15 seconds.
isolated showers.
.thursday...east northeast winds 20 to 25 knots. seas 8 to
11 feet. wave detail: east 8 feet at 8 seconds, southeast 6 feet
at 12 seconds and south 4 feet at 14 seconds. isolated showers.
.friday...east northeast winds 20 to 25 knots. seas 7 to 10 feet.
wave detail: east 8 feet at 8 seconds and south 6 feet at
9 seconds. scattered showers through the night, then isolated
showers through the day.
$$
(4/4)
Latest Coastal Waters Forecast by PHFO
Issued 8/31/2026 3:40 AM US/Hawaii.
Valid through 8/31/2026 4:15 PM US/Hawaii.
fzhw50 phfo 311340
cwfhfo
expires:202609010215;;665565
coastal waters forecast
national weather service honolulu hi
340 am hst mon aug 31 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz116-010215-
kaiwi channel-
340 am hst mon aug 31 2026
.today...east northeast winds to 20 knots. seas 5 to 7 feet. wave
detail: east northeast 6 feet at 6 seconds and south southwest
3 feet at 11 seconds. isolated showers.
.tonight...east northeast winds to 20 knots. seas 6 to 8 feet.
wave detail: east northeast 7 feet at 7 seconds and south 3 feet
at 17 seconds. isolated showers.
.tuesday...east northeast winds to 20 knots. seas 6 to 7 feet.
wave detail: east northeast 7 feet at 7 seconds and south 4 feet
at 18 seconds. isolated showers.
.tuesday night...east northeast winds to 20 knots. seas 6 to
8 feet. wave detail: east northeast 7 feet at 7 seconds and south
4 feet at 17 seconds. scattered showers.
.wednesday...east northeast winds 15 to 20 knots. seas 6 to
8 feet. wave detail: east northeast 7 feet at 7 seconds and south
4 feet at 16 seconds. scattered showers.
.wednesday night...east northeast winds to 20 knots. seas 6 to
9 feet. wave detail: east 8 feet at 7 seconds, south 4 feet at
15 seconds and south southeast 3 feet at 15 seconds. isolated
showers.
.thursday...east northeast winds 20 to 25 knots, rising to 25 to
30 knots. seas 8 to 11 feet. wave detail: east 10 feet at
8 seconds, south southeast 5 feet at 10 seconds and south 5 feet
at 14 seconds. isolated showers.
.friday...east northeast winds 25 to 30 knots, easing to 20 to
25 knots. seas 8 to 11 feet. wave detail: east northeast 11 feet
at 8 seconds, south 6 feet at 8 seconds and east 5 feet at
13 seconds. scattered showers .
$$
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