fzhw50 phfo 121509
cwfhfo
expires:202608130415;;061353

coastal waters forecast
national weather service honolulu hi
509 am hst wed aug 12 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz113-130415-
kauai channel-
509 am hst wed aug 12 2026

.today...east northeast winds 15 to 20 knots. seas to 4 feet.
wave detail: east 4 feet at 6 seconds and south 3 feet at
18 seconds. 
.tonight...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. isolated showers. 
.thursday...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 15 seconds. 
.thursday night...northeast winds to 20 knots. seas 5 to 7 feet.
wave detail: east northeast 6 feet at 6 seconds and south 3 feet
at 15 seconds. isolated showers after midnight. 
.friday...northeast winds 20 to 25 knots. seas 5 to 8 feet. wave
detail: east northeast 6 feet at 6 seconds, south 4 feet at
14 seconds and east 3 feet at 10 seconds. 
.friday night...northeast winds to 20 knots. seas 7 to 10 feet.
wave detail: east northeast 7 feet at 6 seconds, east 5 feet at
12 seconds and south 4 feet at 14 seconds. isolated showers in
the evening, then scattered showers after midnight. 
.saturday...tropical storm conditions possible. scattered
showers, then heavy showers likely after midnight. 
.sunday...tropical storm conditions possible. heavy showers
likely through the night, then scattered showers through the day.

$$

fzhw50 phfo 121509
cwfhfo
expires:202608130415;;061354

coastal waters forecast
national weather service honolulu hi
509 am hst wed aug 12 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz114-130415-
oahu windward waters-
509 am hst wed aug 12 2026

.today...east northeast winds 15 to 20 knots. seas to 4 feet.
wave detail: east 4 feet at 7 seconds and south 3 feet at
18 seconds. isolated showers this afternoon. 
.tonight...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east southeast 5 feet at 6 seconds and south 3 feet
at 16 seconds. isolated showers. 
.thursday...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
15 seconds. isolated showers. 
.thursday night...east northeast winds to 20 knots. seas 5 to
7 feet. wave detail: east southeast 6 feet at 8 seconds and south
3 feet at 15 seconds. isolated showers after midnight. 
.friday...east northeast winds to 20 knots. seas 7 to 9 feet.
wave detail: east southeast 8 feet at 10 seconds and south 3 feet
at 14 seconds. isolated showers in the morning. 
.friday night...east northeast winds to 20 knots. seas 9 to
10 feet, building to 9 to 12 feet after midnight. wave detail:
east 9 feet at 12 seconds. scattered showers. 
.saturday...tropical storm conditions possible. scattered showers
through the night, then heavy showers likely through the day. 
.sunday...tropical storm conditions possible. heavy showers
likely through the night, then scattered showers through the day.

$$

fzhw50 phfo 121509
cwfhfo
expires:202608130415;;061355

coastal waters forecast
national weather service honolulu hi
509 am hst wed aug 12 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz115-130415-
oahu leeward waters-
509 am hst wed aug 12 2026

.today...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds and south 4 feet at
17 seconds. 
.tonight...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 4 feet at
16 seconds. 
.thursday...east northeast winds to 20 knots. seas 4 to 6 feet.
wave detail: east northeast 5 feet at 5 seconds and south 4 feet
at 15 seconds. 
.thursday night...northeast winds to 20 knots. seas 4 to 6 feet.
wave detail: east 6 feet at 6 seconds and south 4 feet at
15 seconds. 
.friday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east northeast 6 feet at 6 seconds and south 3 feet
at 14 seconds. 
.friday night...northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east 6 feet at 6 seconds and south 4 feet at
14 seconds. scattered showers after midnight. 
.saturday...tropical storm conditions possible. isolated showers
in the morning, then scattered showers through the night. heavy
showers likely after midnight. 
.sunday...tropical storm conditions possible. heavy showers
likely through the night, then scattered showers through the day.

$$

fzhw50 phfo 121509
cwfhfo
expires:202608130415;;061356

coastal waters forecast
national weather service honolulu hi
509 am hst wed aug 12 2026

hawaiian coastal waters within 40 nautical miles including the
hawaiian islands humpback whale national marine sanctuary.


phz116-130415-
kaiwi channel-
509 am hst wed aug 12 2026

.today...east northeast winds 15 to 20 knots. seas 4 to 5 feet.
wave detail: east 5 feet at 5 seconds and south southwest 3 feet
at 18 seconds. 
.tonight...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east northeast 5 feet at 6 seconds and south
southwest 4 feet at 16 seconds. 
.thursday...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east northeast 6 feet at 6 seconds and south
southwest 4 feet at 15 seconds. isolated showers in the morning. 
.thursday night...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 15 seconds. 
.friday...east northeast winds 20 to 25 knots. seas 6 to 9 feet.
wave detail: east 8 feet at 8 seconds and south southwest 3 feet
at 14 seconds. 
.friday night...northeast winds 20 to 25 knots. seas 8 to
11 feet. wave detail: east northeast 9 feet at 7 seconds, east
7 feet at 12 seconds and south southwest 4 feet at 14 seconds.
scattered showers. 
.saturday...tropical storm conditions possible. scattered showers
in the morning, then heavy showers likely. 
.sunday...tropical storm conditions possible. heavy showers
likely in the morning, then scattered showers.  

$$