


Coastal Waters Forecast
Issued by NWS
Issued by NWS
048 FZHW51 PHFO 011318 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 317 AM HST Mon Sep 1 2025 .Synopsis for Hawaiian coastal waters... Weak high pressure northeast of the state will remain displaced by a large low far to the north, keeping moderate trades in place. A low with deep tropical moisture will pass just south of the state through the rest of today. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds and north 4 feet at 12 seconds. Scattered showers. .TONIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds and north 4 feet at 11 seconds. Isolated showers. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 10 seconds. Isolated showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 9 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Isolated showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Isolated showers. .THURSDAY...East winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 6 feet. Isolated showers. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Isolated showers. $$