(1/4)
Latest Coastal Waters Forecast by PHFO
Issued 9/18/2026 3:35 AM US/Hawaii.
Valid through 9/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181335
cwfhfo
expires:202609190215;;656835
coastal waters forecast
national weather service honolulu hi
335 am hst fri sep 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz113-190215-
kauai channel-
335 am hst fri sep 18 2026
.today...east northeast winds to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 6 seconds and south southwest 3 feet at
17 seconds. numerous showers, mainly this morning.
.tonight...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 6 seconds and south southwest 3 feet
at 16 seconds. scattered showers.
.saturday...east northeast winds 15 to 20 knots. seas 6 to
7 feet. wave detail: east 6 feet at 6 seconds and south 4 feet at
16 seconds. isolated showers in the morning, then scattered
showers in the afternoon.
.saturday night...east winds 15 to 20 knots. seas 6 to 7 feet.
wave detail: east 6 feet at 6 seconds and south 4 feet at
16 seconds. isolated showers.
.sunday...east northeast winds 15 to 20 knots. seas 6 to 7 feet.
wave detail: east 6 feet at 6 seconds and south 4 feet at
15 seconds. isolated showers.
.sunday night...east northeast winds to 20 knots. seas 6 to
7 feet. wave detail: east 6 feet at 6 seconds and south 4 feet at
14 seconds. isolated showers.
.monday...east northeast winds to 20 knots, easing to 15 knots
after midnight. seas 6 to 7 feet. wave detail: east northeast
6 feet at 6 seconds and south 4 feet at 13 seconds. isolated
showers, then scattered showers after midnight.
.tuesday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east northeast 5 feet at 6 seconds and south 3 feet
at 12 seconds. scattered showers.
$$
(2/4)
Latest Coastal Waters Forecast by PHFO
Issued 9/18/2026 3:35 AM US/Hawaii.
Valid through 9/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181335
cwfhfo
expires:202609190215;;656836
coastal waters forecast
national weather service honolulu hi
335 am hst fri sep 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz114-190215-
oahu windward waters-
335 am hst fri sep 18 2026
.today...east winds to 20 knots. seas 6 to 7 feet. wave detail:
east 6 feet at 8 seconds. scattered showers.
.tonight...east winds to 20 knots. seas to 6 feet. wave detail:
east 6 feet at 7 seconds. isolated showers in the evening, then
scattered showers after midnight.
.saturday...east winds to 20 knots. seas to 6 feet. wave detail:
east 6 feet at 8 seconds. isolated showers.
.saturday night...east winds to 20 knots. seas 6 to 7 feet. wave
detail: east 6 feet at 8 seconds. scattered showers.
.sunday...east winds to 20 knots. seas 6 to 7 feet. wave detail:
east 6 feet at 7 seconds. scattered showers, mainly in the
morning.
.sunday night...east northeast winds to 20 knots. seas 6 to
7 feet. wave detail: east 6 feet at 7 seconds. isolated showers
in the evening, then scattered showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas 6 to 7 feet.
wave detail: east 7 feet at 8 seconds. isolated showers through
the night, then scattered showers through the day.
.tuesday...east northeast winds 15 to 20 knots. seas 6 to 7 feet.
wave detail: east 7 feet at 9 seconds. scattered showers, then
numerous showers after midnight.
$$
(3/4)
Latest Coastal Waters Forecast by PHFO
Issued 9/18/2026 3:35 AM US/Hawaii.
Valid through 9/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181335
cwfhfo
expires:202609190215;;656837
coastal waters forecast
national weather service honolulu hi
335 am hst fri sep 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz115-190215-
oahu leeward waters-
335 am hst fri sep 18 2026
.today...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds and south southwest 3 feet
at 17 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 southwest 3 feet
at 16 seconds. scattered showers.
.saturday...east northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east 5 feet at 6 seconds and south southwest
4 feet at 16 seconds. isolated showers.
.saturday night...east northeast winds 15 to 20 knots. seas to
6 feet. wave detail: east 5 feet at 6 seconds and south 4 feet at
16 seconds. isolated showers.
.sunday...east northeast winds 15 to 20 knots. seas to 6 feet.
wave detail: east 5 feet at 6 seconds and south 4 feet at
15 seconds. isolated showers in the morning.
.sunday night...east northeast winds 15 to 20 knots. seas to
6 feet. wave detail: east 5 feet at 6 seconds and south 4 feet at
14 seconds. isolated showers.
.monday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 4 feet at
14 seconds. isolated showers in the morning. isolated showers
through the day.
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 6 seconds and south 3 feet at
12 seconds. isolated showers through the night, then scattered
showers through the day.
$$
(4/4)
Latest Coastal Waters Forecast by PHFO
Issued 9/18/2026 3:35 AM US/Hawaii.
Valid through 9/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181335
cwfhfo
expires:202609190215;;656838
coastal waters forecast
national weather service honolulu hi
335 am hst fri sep 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz116-190215-
kaiwi channel-
335 am hst fri sep 18 2026
.today...east northeast winds to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 7 seconds and south southwest 3 feet at
16 seconds. scattered showers.
.tonight...east northeast winds to 20 knots. seas 5 to 6 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 16 seconds. isolated showers after midnight.
.saturday...east northeast winds to 20 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south southwest 4 feet
at 16 seconds. isolated showers.
.saturday night...east northeast winds to 20 knots. seas 6 to
7 feet. wave detail: east northeast 6 feet at 6 seconds and south
southwest 4 feet at 16 seconds. isolated showers.
.sunday...east northeast winds to 20 knots. seas 6 to 7 feet.
wave detail: east northeast 6 feet at 6 seconds and south 4 feet
at 15 seconds. isolated showers.
.sunday night...east northeast winds to 20 knots. seas 6 to
7 feet. wave detail: east northeast 6 feet at 6 seconds and south
4 feet at 14 seconds. isolated showers.
.monday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east northeast 7 feet at 7 seconds and south 4 feet
at 14 seconds. isolated showers. scattered showers after
midnight.
.tuesday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east northeast 7 feet at 6 seconds and south 3 feet
at 12 seconds. scattered showers in the morning. isolated showers
in the afternoon, then scattered showers through the day.
$$
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