FZHW51 PHFO 161913 CWFHI1 Generalized Statewide Coastal Waters Forecast for Hawaii National Weather Service Honolulu HI 913 AM HST Fri Oct 16 2026 .Synopsis for Hawaiian coastal waters... Surface high pressure far north of the islands will strengthen as it drifts eastward through Saturday. Reinforcing high pressure will build far north of Hawaii on Sunday and will settle far northeast of the islands through early next week. Fresh to strong trade winds will prevail during this time $$ Hawaiian waters within 40 nautical miles including the channels- ...SMALL CRAFT ADVISORY FOR MAALAEA BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE BIG ISLAND... .REST OF TODAY...East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East northeast 5 feet at 6 seconds and north northwest 3 to 5 feet at 13 seconds. Scattered showers. .TONIGHT THROUGH SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East northeast 6 to 7 feet at 6 seconds and north northwest 4 to 5 feet at 11 seconds. Scattered showers. .SUNDAY THROUGH TUESDAY...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Scattered showers. $$