(1/4)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177383
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz113-190215-
kauai channel-
340 am hst sat jul 18 2026
.today...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 7 seconds and south 3 feet at
13 seconds. isolated showers this morning.
.tonight...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
12 seconds. isolated showers.
.sunday...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
12 seconds. isolated showers in the morning.
.sunday night...east northeast winds 15 to 20 knots. seas 5 to
6 feet. wave detail: east northeast 5 feet at 6 seconds and south
3 feet at 17 seconds. scattered showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas to 6 feet.
wave detail: east northeast 5 feet at 5 seconds and south 4 feet
at 16 seconds. scattered showers.
.monday night...east northeast winds 15 to 20 knots. seas 6 to
7 feet. wave detail: east northeast 4 feet at 6 seconds and south
4 feet at 15 seconds. scattered showers in the evening, then
numerous showers after midnight.
.tuesday...east northeast winds 15 to 20 knots. seas 6 to 7 feet.
wave detail: east northeast 5 feet at 5 seconds and south 4 feet
at 14 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots, becoming east northeast
20 to 25 knots in the afternoon, easing to 15 to 20 knots. seas
5 to 7 feet. wave detail: east northeast 5 feet at 5 seconds and
south 4 feet at 13 seconds. scattered showers, mainly in the
morning.
$$
(2/4)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177384
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz114-190215-
oahu windward waters-
340 am hst sat jul 18 2026
.today...east winds to 20 knots. seas 5 to 6 feet. wave detail:
east 6 feet at 7 seconds. isolated showers.
.tonight...east northeast winds 15 to 20 knots. seas to 6 feet.
wave detail: east 6 feet at 8 seconds. isolated showers in the
evening, then scattered showers after midnight.
.sunday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 6 feet at 7 seconds. scattered showers, mainly
in the morning.
.sunday night...east northeast winds 15 to 20 knots. seas to
5 feet. wave detail: east 5 feet at 7 seconds. isolated showers
in the evening, then scattered showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 5 feet at 6 seconds. scattered showers.
.monday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 5 feet at 6 seconds. scattered showers
in the evening, then numerous showers after midnight.
.tuesday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 6 seconds, east 3 feet at 14 seconds and
south 3 feet at 14 seconds. scattered showers.
.wednesday...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 5 feet at 12 seconds. scattered showers in the
morning, then isolated showers through the night. scattered
showers after midnight.
$$
(3/4)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177385
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz115-190215-
oahu leeward waters-
340 am hst sat jul 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 13 seconds. isolated showers this morning.
.tonight...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south southwest 3 feet
at 12 seconds.
.sunday...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
12 seconds.
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 4 feet at 5 seconds and south 4 feet at
16 seconds. isolated showers after midnight.
.monday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 5 to 6 feet. wave detail: east
4 feet at 5 seconds and south 4 feet at 16 seconds. isolated
showers.
.monday night...east northeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. seas 5 to 6 feet. wave detail:
east 4 feet at 5 seconds and south 4 feet at 15 seconds.
scattered showers.
.tuesday...east northeast winds 10 to 15 knots. seas 5 to 6 feet.
wave detail: east 4 feet at 5 seconds and south 4 feet at
14 seconds. scattered showers in the morning, then isolated
showers in the afternoon. scattered showers through the day.
.wednesday...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 4 feet at 5 seconds and south 4 feet at
13 seconds. scattered showers in the morning. isolated showers.
$$
(4/4)
Latest Coastal Waters Forecast by PHFO
Issued 7/18/2026 3:40 AM US/Hawaii.
Valid through 7/18/2026 4:15 PM US/Hawaii.
fzhw50 phfo 181340
cwfhfo
expires:202607190215;;177386
coastal waters forecast
national weather service honolulu hi
340 am hst sat jul 18 2026
hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.
phz116-190215-
kaiwi channel-
340 am hst sat jul 18 2026
...small craft advisory in effect through late this afternoon...
.today...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 13 seconds.
.tonight...east northeast winds 20 to 25 knots. seas 5 to 6 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 12 seconds.
.sunday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east northeast 6 feet at 6 seconds. isolated showers
in the morning.
.sunday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 5 feet at 6 seconds and south
3 feet at 16 seconds. scattered showers in the evening. isolated
showers after midnight.
.monday...east northeast winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east northeast 5 feet at 6 seconds and south 4 feet
at 16 seconds. scattered showers in the morning. isolated showers
in the afternoon.
.monday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 5 feet at 6 seconds and south
4 feet at 15 seconds. scattered showers.
.tuesday...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east northeast 5 feet at 6 seconds, south 4 feet at
14 seconds and east 3 feet at 12 seconds. isolated showers, then
scattered showers after midnight.
.wednesday...east northeast winds 15 to 20 knots, rising to 20 to
25 knots. seas 5 to 7 feet. wave detail: east northeast 5 feet at
5 seconds, south 4 feet at 13 seconds and east 3 feet at
13 seconds. isolated showers in the morning. isolated showers
after midnight.
$$
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