FZHW51 PHFO 191320
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
320 AM HST Tue May 19 2026

.Synopsis for Hawaiian coastal waters...
High pressure far northeast of the state will expand and
strengthen through the week. This will result in stronger trade
winds and elevated seas later this week. 

$$

Hawaiian waters within 40 nautical miles including the channels-

...SMALL CRAFT ADVISORY UNTIL 6 PM HST WEDNESDAY FOR MAALAEA
BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF BIG
ISLAND... 

.TODAY...East winds 20 to 25 knots. Seas 6 to 8 feet. Wave
Detail: East 5 feet at 7 seconds and south southwest 3 feet at
14 seconds. Scattered showers. 
.TONIGHT...East northeast winds 20 to 25 knots. Seas 6 to 9 feet.
Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet
at 15 seconds. Isolated showers. 
.WEDNESDAY...East northeast winds 20 to 25 knots. Seas 7 to
10 feet. Wave Detail: East 7 feet at 7 seconds. Isolated showers.
.WEDNESDAY NIGHT...East northeast winds 25 to 30 knots. Seas 8 to
11 feet. Wave Detail: East 7 feet at 7 seconds. Scattered
showers. 
.THURSDAY...East northeast winds 25 to 30 knots. Seas 9 to 12
feet. Isolated showers. 
.THURSDAY NIGHT...East northeast winds 25 to 30 knots. Seas 11 to
14 feet. Scattered showers. 
.FRIDAY...East northeast winds 25 to 30 knots. Seas 9 to 13 feet,
subsiding to 9 to 11 feet. Isolated showers through the night.
Scattered showers through the day. 
.SATURDAY...East northeast winds 20 to 25 knots. Seas 8 to
10 feet. Isolated showers through the night. Scattered showers
through the day.  

$$