


Coastal Waters Forecast
Issued by NWS
Issued by NWS
843 FZHW51 PHFO 041356 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 356 AM HST Fri Jul 4 2025 .Synopsis for Hawaiian coastal waters... High pressure north of the islands will strengthen through the weekend bringing strong trade winds by tomorrow through early next week. $$ Hawaiian waters within 40 nautical miles including the channels- ...SMALL CRAFT ADVISORY THROUGH SUNDAY AFTERNOON FOR KAUAI NORTHWEST WATERS...KAUAI LEEWARD WATERS...KAUAI CHANNEL...OAHU LEEWARD WATERS...KAIWI CHANNEL...WATERS AROUND MAUI COUNTY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE BIG ISLAND... .TODAY...East winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .TONIGHT...East winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .SATURDAY...East winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers. .SATURDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers. .SUNDAY...East winds 20 to 25 knots. Seas 6 to 9 feet. Isolated showers. .SUNDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Isolated showers. .MONDAY...Alenuihaha Channel, east northeast winds 20 to 25 knots, rising to 25 to 30 knots. Elsewhere, east northeast winds to 20 knots. Seas 6 to 9 feet. Isolated showers. .TUESDAY...Alenuihaha Channel, east northeast winds 20 to 25 knots, rising to 25 to 30 knots. Elsewhere, east northeast winds 15 to 20 knots. Seas 6 to 8 feet. Isolated showers through the night. Scattered showers through the day. $$