Expires:202608162030;;277762 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. GMZ850-162030- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 340 AM EDT Sun Aug 16 2026 .TODAY...West winds around 5 knots, increasing to 5 to 10 knots late. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Bay and inland waters light chop. .TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Bay and inland waters light chop. .MONDAY...West winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the morning. .MONDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds. Bay and inland waters a moderate chop. Isolated thunderstorms. Isolated showers in the evening, then scattered showers after midnight. .TUESDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .TUESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters light chop. Numerous showers and scattered thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters light chop. Scattered showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters light chop. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$