fzhw50 phfo 181302
cwfhfo
expires:202608190145;;936905

coastal waters forecast
national weather service honolulu hi
302 am hst tue aug 18 2026

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


phz113-190145-
kauai channel-
302 am hst tue aug 18 2026

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

$$

fzhw50 phfo 181302
cwfhfo
expires:202608190145;;936906

coastal waters forecast
national weather service honolulu hi
302 am hst tue aug 18 2026

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


phz114-190145-
oahu windward waters-
302 am hst tue aug 18 2026

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

$$

fzhw50 phfo 181302
cwfhfo
expires:202608190145;;936907

coastal waters forecast
national weather service honolulu hi
302 am hst tue aug 18 2026

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


phz115-190145-
oahu leeward waters-
302 am hst tue aug 18 2026

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

$$

fzhw50 phfo 181302
cwfhfo
expires:202608190145;;936908

coastal waters forecast
national weather service honolulu hi
302 am hst tue aug 18 2026

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


phz116-190145-
kaiwi channel-
302 am hst tue aug 18 2026

.today...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: south 3 feet at 13 seconds. isolated showers this
afternoon. 
.tonight...east northeast winds 15 to 20 knots. seas 3 to 5 feet.
isolated showers. 
.wednesday...east northeast winds 10 to 15 knots. seas 3 to
5 feet. isolated showers. 
.wednesday night...east northeast winds to 15 knots. seas 3 to
4 feet. isolated showers in the evening, then scattered showers
after midnight. 
.thursday...northeast winds 10 to 15 knots. seas 3 to 4 feet.
scattered showers. 
.thursday night...northeast winds 10 to 15 knots, veering to east
northeast 7 to 10 knots after midnight. seas to 2 feet or less,
then to 3 feet after midnight. scattered showers. 
.friday...east northeast winds 7 to 10 knots, becoming 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 5 feet at 6 seconds.  

$$