fzhw50 phfo 181310
cwfhfo
expires:202605190215;;767673

coastal waters forecast
national weather service honolulu hi
310 am hst mon may 18 2026

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


phz117-190215-
maui county windward waters-
310 am hst mon may 18 2026

.today...east winds 15 to 20 knots. seas 5 to 6 feet. wave
detail: east 6 feet at 7 seconds. scattered showers, mainly this
morning. 
.tonight...east winds 15 to 20 knots. seas 5 to 6 feet. wave
detail: east 6 feet at 7 seconds. isolated showers. 
.tuesday...east winds to 20 knots. seas 5 to 6 feet. wave detail:
east 6 feet at 7 seconds. isolated showers. 
.tuesday night...east winds 15 to 20 knots. seas 5 to 6 feet.
wave detail: east 6 feet at 7 seconds. scattered showers, mainly
in the evening. 
.wednesday...east winds 20 to 25 knots. seas to 6 feet, building
to 7 to 8 feet in the afternoon. wave detail: east 7 feet at
7 seconds. isolated showers in the morning, then scattered
showers in the afternoon. 
.wednesday night...east winds 20 to 25 knots. seas 7 to 8 feet.
wave detail: east 8 feet at 7 seconds. isolated showers. 
.thursday...east northeast winds 20 to 25 knots. seas 8 to
9 feet. wave detail: east 9 feet at 8 seconds and north northeast
3 feet at 7 seconds. isolated showers. 
.friday...east northeast winds 20 to 25 knots. seas 7 to 9 feet.
wave detail: east 8 feet at 7 seconds and north northeast 3 feet
at 10 seconds. isolated showers.  

$$

fzhw50 phfo 181310
cwfhfo
expires:202605190215;;767674

coastal waters forecast
national weather service honolulu hi
310 am hst mon may 18 2026

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


phz118-190215-
maui county leeward waters-
310 am hst mon may 18 2026

.today...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 5 seconds and south southwest 3 feet
at 14 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 14 seconds. isolated showers after midnight. 
.tuesday...east northeast winds 15 to 20 knots. seas 4 to 6 feet.
wave detail: east 4 feet at 6 seconds and south southwest 3 feet
at 18 seconds. 
.tuesday night...east northeast winds 10 to 15 knots. seas 4 to
6 feet. wave detail: east 4 feet at 6 seconds and south southwest
3 feet at 16 seconds. isolated showers. 
.wednesday...east northeast winds 10 to 15 knots, rising to 15 to
20 knots in the afternoon. seas 3 to 5 feet. wave detail: east
5 feet at 7 seconds. isolated showers. 
.wednesday night...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 6 feet at 7 seconds. 
.thursday...east northeast winds 15 to 20 knots. seas 4 to
6 feet. wave detail: east 6 feet at 7 seconds. 
.friday...northeast winds 15 to 20 knots. seas 4 to 6 feet. wave
detail: east 6 feet at 6 seconds.  

$$

fzhw50 phfo 181310
cwfhfo
expires:202605190215;;767675

coastal waters forecast
national weather service honolulu hi
310 am hst mon may 18 2026

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


phz119-190215-
maalaea bay-
310 am hst mon may 18 2026

...small craft advisory in effect through early wednesday
morning...

.today...north winds 10 to 15 knots, rising to 20 to 25 knots
this afternoon. seas to 2 feet or less. 
.tonight...north winds 20 to 25 knots. seas to 2 feet or less. 
.tuesday...north winds 20 to 25 knots. seas to 2 feet or less. 
.tuesday night...north winds to 25 knots. seas to 2 feet or less.
wave detail: north northeast 2 feet at 3 seconds. 
.wednesday...north winds to 25 knots. seas to 2 feet or less.
wave detail: north northeast 2 feet at 3 seconds. 
.wednesday night...north winds to 25 knots. seas to 2 feet or
less. wave detail: north northeast 2 feet at 4 seconds. 
.thursday...north winds to 25 knots, rising to 30 knots in the
evening, easing to 25 knots after midnight. seas to 2 feet or
less. wave detail: north northeast 2 feet at 4 seconds. 
.friday...north winds to 25 knots. seas to 2 feet or less. wave
detail: north northeast 2 feet at 4 seconds.  

$$

fzhw50 phfo 181310
cwfhfo
expires:202605190215;;767676

coastal waters forecast
national weather service honolulu hi
310 am hst mon may 18 2026

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


phz120-190215-
pailolo channel-
310 am hst mon may 18 2026

...small craft advisory in effect through early wednesday
morning...

.today...east northeast winds 20 to 25 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 4 seconds. isolated showers. 
.tonight...east northeast winds 20 to 25 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds. isolated showers. 
.tuesday...east northeast winds 20 to 25 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 5 seconds. isolated showers. 
.tuesday night...east northeast winds 20 to 25 knots. seas 3 to
5 feet. wave detail: east 4 feet at 5 seconds. scattered showers
in the evening. isolated showers after midnight. 
.wednesday...east northeast winds 20 to 25 knots. seas 4 to
6 feet. wave detail: east 5 feet at 5 seconds. isolated showers
in the morning. scattered showers in the afternoon. 
.wednesday night...east northeast winds 20 to 25 knots. seas 5 to
7 feet. wave detail: east northeast 5 feet at 5 seconds. isolated
showers after midnight. 
.thursday...east northeast winds 20 to 25 knots, rising to 25 to
30 knots in the evening, easing to 20 to 25 knots after midnight.
seas 5 to 7 feet. wave detail: east northeast 6 feet at
6 seconds. isolated showers after midnight. 
.friday...east northeast winds 20 to 25 knots. seas 5 to 7 feet.
wave detail: east northeast 5 feet at 7 seconds. isolated showers
after midnight.  

$$

fzhw50 phfo 181310
cwfhfo
expires:202605190215;;767677

coastal waters forecast
national weather service honolulu hi
310 am hst mon may 18 2026

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


phz121-190215-
alenuihaha channel-
310 am hst mon may 18 2026

...small craft advisory in effect through early wednesday
morning...

.today...east northeast winds 20 to 25 knots. seas 5 to 8 feet.
wave detail: east 6 feet at 6 seconds and south southwest 3 feet
at 14 seconds. scattered showers. 
.tonight...east northeast winds 20 to 25 knots. seas 5 to 8 feet.
wave detail: east 7 feet at 6 seconds and south southwest 3 feet
at 14 seconds. isolated showers. 
.tuesday...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 18 seconds. isolated showers in the morning. scattered showers
in the afternoon. 
.tuesday night...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 16 seconds. scattered showers in the evening. isolated
showers after midnight. 
.wednesday...east northeast winds 20 to 25 knots. seas 5 to
6 feet, building to 6 to 8 feet in the afternoon. wave detail:
east northeast 8 feet at 7 seconds. isolated showers in the
morning. scattered showers in the afternoon. 
.wednesday night...east northeast winds 25 to 30 knots. seas 7 to
9 feet. wave detail: east 9 feet at 7 seconds. isolated showers
in the evening. scattered showers after midnight. 
.thursday...east northeast winds 25 to 30 knots. seas 8 to
11 feet. wave detail: east northeast 10 feet at 7 seconds.
isolated showers. 
.friday...east northeast winds 25 to 30 knots, easing to 20 to
25 knots after midnight. seas 6 to 9 feet. wave detail: east
9 feet at 7 seconds. isolated showers in the morning. isolated
showers through the day.  

$$