


Coastal Waters Forecast
Issued by NWS
Issued by NWS
392 FZHW51 PHFO 291309 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 309 AM HST Sun Jun 29 2025 .Synopsis for Hawaiian coastal waters... A ridge of high pressure far north of the state will gradually weaken through Monday as a trough develops far north of the area. The trough will move away from the area by the middle of next week with a ridge of high pressure rebuilding far north of the state. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .MONDAY...East southeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and south southwest 3 feet at 15 seconds. Isolated showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 5 seconds and south southwest 3 feet at 14 seconds. Isolated showers. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Isolated showers. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots, rising to 15 to 20 knots. Seas 4 to 5 feet. Isolated showers. .THURSDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers. $$