


Coastal Waters Forecast
Issued by NWS
Issued by NWS
859 FZHW51 PHFO 310320 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 519 PM HST Sat Aug 30 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 light to moderate trades in place. A low will pass just south of the Big Island Sunday through Monday. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: North 4 feet at 12 seconds and east southeast 3 feet at 5 seconds. Isolated showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Isolated showers. .TUESDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Isolated showers. .THURSDAY...East winds 10 to 15 knots, rising to 15 to 20 knots. Seas 4 to 5 feet. Isolated showers. $$