Expires:202608162030;;277757 FZUS52 KTBW 160740 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 340 AM EDT Sun Aug 16 2026 Gulf coastal waters from Bonita Beach to the mouth of the Suwannee River out to 60 NM. Important notice to mariners...marine forecasts are issued at least four times a day. Boaters on extended trips should routinely monitor subsequent forecast issuances and updates for the latest marine weather information. The wave heights are forecast as significant wave height which is the average of the highest one-third of the waves. The highest waves may rarely be twice the significant wave height. The winds and seas near thunderstorms may be higher than forecast. GMZ836-162030- Charlotte Harbor and Pine Island Sound- 340 AM EDT Sun Aug 16 2026 .TODAY...Southeast winds around 5 knots, becoming southwest early this afternoon, then becoming west late. Bay and inland waters light chop. .TONIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Bay and inland waters light chop. .MONDAY...North winds around 5 knots, becoming west 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop. .MONDAY NIGHT...Northwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters a moderate chop. .TUESDAY...Northwest winds 5 to 10 knots, becoming west 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the evening. .WEDNESDAY...Northwest winds 5 to 10 knots, becoming west 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .THURSDAY...West winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$