fzhw50 phfo 171320
cwfhfo
expires:202608180230;;349042

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz113-180230-
kauai channel-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas 6 to 8 feet. wave
detail: east 6 feet at 7 seconds and south 3 feet at 14 seconds.
scattered showers. 
.tonight...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 7 seconds and south 3 feet at
13 seconds. scattered showers, mainly in the evening. 
.tuesday...east northeast winds to 15 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers in the afternoon. 
.tuesday night...east northeast winds to 15 knots. seas 4 to
5 feet. wave detail: east 5 feet at 6 seconds. scattered showers,
mainly in the evening. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers. 
.wednesday night...east northeast winds to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers
in the evening, then scattered showers after midnight. 
.thursday...northeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: east northeast 4 feet at 5 seconds. scattered
showers. 
.friday...east northeast winds 7 to 10 knots. seas 3 to 4 feet.
wave detail: southwest 3 feet at 16 seconds. scattered showers . 

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;349043

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz114-180230-
oahu windward waters-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds and east 3 feet at 10 seconds.
scattered showers, mainly this morning. 
.tonight...east winds 15 to 20 knots. seas 5 to 7 feet. wave
detail: east 6 feet at 6 seconds and east 3 feet at 10 seconds.
isolated showers. 
.tuesday...east winds to 15 knots. seas to 5 feet. wave detail:
east 5 feet at 6 seconds. isolated showers. 
.tuesday night...east winds to 15 knots. seas 4 to 5 feet. wave
detail: east 5 feet at 6 seconds. scattered showers. 
.wednesday...east winds 10 to 15 knots. seas 4 to 5 feet. wave
detail: east 4 feet at 6 seconds. scattered showers. 
.wednesday night...east northeast winds to 15 knots. seas to
4 feet. wave detail: east 4 feet at 6 seconds. scattered showers.
.thursday...east northeast winds 10 to 15 knots, becoming 7 to
10 knots after midnight. seas 3 to 4 feet. wave detail: east
4 feet at 6 seconds. scattered showers, then numerous showers
after midnight. 
.friday...winds variable less than 10 knots, becoming east 10 to
15 knots. seas 3 to 5 feet. wave detail: east southeast 4 feet at
6 seconds. scattered showers.  

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;349044

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz115-180230-
oahu leeward waters-
320 am hst mon aug 17 2026

.today...east winds 15 to 20 knots. seas to 6 feet. wave detail:
east southeast 5 feet at 6 seconds and south 3 feet at
14 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 3 feet at
13 seconds. isolated showers. 
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east southeast 5 feet at 6 seconds and south 3 feet
at 13 seconds. isolated showers. 
.tuesday night...east northeast winds to 15 knots. seas 3 to
5 feet. wave detail: east 4 feet at 6 seconds. scattered showers,
mainly in the evening. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east 4 feet at 5 seconds. isolated showers. 
.wednesday night...east northeast winds 10 to 15 knots. seas to
3 feet. wave detail: east 3 feet at 4 seconds. isolated showers
in the evening, then scattered showers after midnight. 
.thursday...northeast winds 7 to 10 knots, becoming 10 to
15 knots in the evening, then becoming 7 to 10 knots after
midnight. seas to 3 feet. wave detail: east northeast 3 feet at
4 seconds. scattered showers. 
.friday...winds variable less than 10 knots. seas 3 to 4 feet.
wave detail: southwest 3 feet at 16 seconds. scattered showers . 

$$

fzhw50 phfo 171320
cwfhfo
expires:202608180230;;349045

coastal waters forecast
national weather service honolulu hi
320 am hst mon aug 17 2026

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


phz116-180230-
kaiwi channel-
320 am hst mon aug 17 2026

.today...east northeast winds 15 to 20 knots. seas 5 to 7 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
14 seconds. scattered showers, mainly this morning. 
.tonight...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
13 seconds. isolated showers in the evening. 
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 5 feet at 6 seconds and south 3 feet at
13 seconds. isolated showers in the afternoon. 
.tuesday night...east northeast winds to 15 knots. seas 3 to
5 feet. wave detail: east 5 feet at 5 seconds. isolated showers. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: east northeast 4 feet at 5 seconds. isolated
showers. 
.wednesday night...east northeast winds to 15 knots. seas 3 to
4 feet. wave detail: east northeast 4 feet at 5 seconds. isolated
showers in the evening, then scattered showers after midnight. 
.thursday...northeast winds 10 to 15 knots, becoming 7 to
10 knots after midnight. seas 3 to 4 feet. wave detail: east
northeast 4 feet at 5 seconds. scattered showers. 
.friday...winds variable less than 10 knots, becoming east 10 to
15 knots. seas 3 to 5 feet. wave detail: east 3 feet at
6 seconds. scattered showers.  

$$