fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992880

coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026

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


phz113-200230-
kauai channel-
320 am hst wed aug 19 2026

.today...east northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east 4 feet at 5 seconds. isolated showers this
afternoon. 
.tonight...east northeast winds to 15 knots. seas 3 to 4 feet.
wave detail: east northeast 4 feet at 5 seconds. isolated showers
after midnight. 
.thursday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east northeast 3 feet at 5 seconds. isolated
showers. 
.thursday night...east northeast winds 10 to 15 knots. seas to
3 feet. wave detail: east northeast 3 feet at 5 seconds.
scattered showers. 
.friday...east northeast winds 7 to 10 knots. seas 3 to 4 feet.
wave detail: east 3 feet at 4 seconds. scattered showers, mainly
in the morning. 
.friday night...east northeast winds 7 to 10 knots. seas 3 to
4 feet. wave detail: east 3 feet at 6 seconds. scattered showers.
.saturday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots. seas 4 to 5 feet. wave detail: east 5 feet at
6 seconds. isolated showers through the day. 
.sunday...northeast winds 20 to 25 knots. seas 5 to 8 feet. wave
detail: east 6 feet at 6 seconds. isolated showers through the
night, then scattered showers through the day.  

$$

fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992881

coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026

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


phz114-200230-
oahu windward waters-
320 am hst wed aug 19 2026

.today...east winds 10 to 15 knots. seas to 4 feet. wave detail:
east 4 feet at 7 seconds. isolated showers. 
.tonight...east northeast winds 10 to 15 knots. seas to 4 feet.
wave detail: east 4 feet at 7 seconds. isolated showers. 
.thursday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 7 seconds. scattered showers.
.thursday night...northeast winds to 10 knots in the evening,
becoming variable less than 10 knots. seas to 3 feet. wave
detail: east 3 feet at 5 seconds. scattered showers in the
evening, then numerous showers after midnight. 
.friday...east winds 7 to 10 knots. seas to 3 feet. wave detail:
east 3 feet at 5 seconds. scattered showers. 
.friday night...east winds to 15 knots. seas 3 to 4 feet. wave
detail: east 4 feet at 6 seconds. scattered showers. 
.saturday...east winds 15 to 20 knots. seas 5 to 6 feet. wave
detail: east southeast 6 feet at 7 seconds. isolated showers. 
.sunday...east northeast winds to 20 knots, becoming 20 to
25 knots. seas 6 to 9 feet. wave detail: east 6 feet at
7 seconds. isolated showers through the night, then scattered
showers through the day.  

$$

fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992882

coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026

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


phz115-200230-
oahu leeward waters-
320 am hst wed aug 19 2026

.today...east northeast winds 10 to 15 knots. seas to 3 feet.
wave detail: east 3 feet at 5 seconds. isolated showers this
afternoon. 
.tonight...east northeast winds to 15 knots. seas to 3 feet. wave
detail: east 3 feet at 4 seconds. 
.thursday...east northeast winds 10 to 15 knots. seas to 3 feet.
wave detail: east northeast 3 feet at 4 seconds. isolated showers
in the afternoon. 
.thursday night...east northeast winds 7 to 10 knots. seas to
2 feet or less. isolated showers in the evening, then scattered
showers after midnight. 
.friday...winds variable less than 10 knots, becoming northeast
7 to 10 knots in the afternoon. seas to 2 feet or less, then to
3 feet in the afternoon. isolated showers. 
.friday night...east northeast winds 7 to 10 knots. seas 3 to
4 feet. wave detail: east 3 feet at 6 seconds. isolated showers
in the evening, then scattered showers after midnight. 
.saturday...east northeast winds 10 to 15 knots, rising to 20 to
25 knots. seas 3 to 5 feet. wave detail: east 5 feet at
6 seconds. isolated showers in the morning. isolated showers
through the day. 
.sunday...northeast winds 20 to 25 knots, becoming east northeast
15 to 20 knots after midnight. seas 5 to 7 feet. wave detail:
east 6 feet at 6 seconds. isolated showers through the night,
then scattered showers through the day.  

$$

fzhw50 phfo 191320
cwfhfo
expires:202608200230;;992883

coastal waters forecast
national weather service honolulu hi
320 am hst wed aug 19 2026

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


phz116-200230-
kaiwi channel-
320 am hst wed aug 19 2026

.today...east northeast winds to 15 knots. seas 3 to 4 feet. wave
detail: east northeast 4 feet at 5 seconds. isolated showers. 
.tonight...east northeast winds to 15 knots. seas 3 to 4 feet.
wave detail: east northeast 4 feet at 5 seconds. isolated showers
after midnight. 
.thursday...northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east northeast 4 feet at 6 seconds. isolated showers
in the morning, then scattered showers in the afternoon. 
.thursday night...northeast winds to 10 knots in the evening,
becoming variable less than 10 knots. seas to 3 feet. wave
detail: east northeast 3 feet at 4 seconds. scattered showers. 
.friday...east northeast winds 7 to 10 knots, backing to
northeast 10 to 15 knots in the afternoon. seas to 3 feet. wave
detail: east northeast 3 feet at 5 seconds. scattered showers. 
.friday night...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 6 seconds. scattered showers.
.saturday...east northeast winds to 15 knots, rising to 20 knots.
seas 4 to 6 feet. wave detail: east northeast 6 feet at
6 seconds. isolated showers. 
.sunday...northeast winds 25 to 30 knots, veering to east
northeast 20 to 25 knots after midnight. seas 5 to 8 feet. wave
detail: east northeast 6 feet at 6 seconds. isolated showers
through the night, then scattered showers through the day.  

$$