FZHW51 PHFO 161345 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 345 AM HST Fri Oct 16 2026 .Synopsis for Hawaiian coastal waters... Surface high pressure far north of the islands will build as it shifts northeast of Hawaii through the weekend. As a result, trade winds will gradually increase to fresh to strong levels over the next couple of days. Elevated trade winds will persist into early next week. $$ Hawaiian waters within 40 nautical miles including the channels- ...SMALL CRAFT ADVISORY... .TODAY...East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East northeast 5 feet at 6 seconds and north northwest 5 feet at 13 seconds. Scattered showers. .TONIGHT...East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East northeast 6 feet at 6 seconds and north northwest 5 feet at 11 seconds. Scattered showers. .SATURDAY...East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and north northwest 4 feet at 11 seconds. Scattered showers. .SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East northeast 6 feet at 6 seconds and north northwest 5 feet at 14 seconds. Scattered showers. .SUNDAY THROUGH TUESDAY...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Scattered showers. $$