FZUS52 KTBW 220008 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 808 PM EDT Fri Aug 21 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. GMZ800-221315- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 808 PM EDT Fri Aug 21 2026 .SYNOPSIS... West to southwest winds will remain over the waters for the next several days, with no headlines expected. Scattered showers and storms are forecast each day, mainly during the overnight and morning hours. $$ GMZ830-221315- Tampa Bay waters- 808 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...Southwest winds 5 to 10 knots, becoming south late. Bay and inland waters light chop. .SATURDAY...Southwest winds 5 to 10 knots. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Bay and inland waters light chop. Isolated showers after midnight. .SUNDAY...Southwest winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...West winds 5 to 10 knots, becoming south after midnight. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY NIGHT...West winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Isolated showers and thunderstorms in the evening. .TUESDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Isolated showers and thunderstorms. .WEDNESDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ836-221315- Charlotte Harbor and Pine Island Sound- 808 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...West winds around 5 knots, becoming south around 5 knots. Bay and inland waters smooth. .SATURDAY...South winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Bay and inland waters light chop. .SUNDAY...Southwest winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .SUNDAY NIGHT...West winds 5 to 10 knots, becoming south after midnight. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .MONDAY NIGHT...West winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Isolated showers and thunderstorms. .TUESDAY...East winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .WEDNESDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ856-221315- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 808 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...West winds around 5 knots, becoming southwest. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 4 seconds. Bay and inland waters smooth. .SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 4 seconds. Bay and inland waters light chop. .SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. .SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .SUNDAY NIGHT...West winds 5 to 10 knots, becoming south after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 2 seconds and west 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY NIGHT...Southwest winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms. .TUESDAY...East winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms. .WEDNESDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ876-221315- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 808 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...Southwest winds around 5 knots, becoming around 5 knots late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 4 seconds. .SATURDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 4 seconds. .SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 4 seconds. .SUNDAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Isolated showers and thunderstorms. .SUNDAY NIGHT...West winds around 5 knots, becoming south after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Isolated showers and thunderstorms in the evening. .MONDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and south 1 foot at 4 seconds. Isolated showers and thunderstorms in the morning. .MONDAY NIGHT...Southwest winds around 5 knots, becoming southeast around 5 knots after midnight. Seas 1 foot or less. Isolated showers and thunderstorms in the evening. .TUESDAY...Southeast winds around 5 knots. Seas 1 foot or less. .TUESDAY NIGHT...North winds around 5 knots, becoming east around 5 knots after midnight. Seas 1 foot or less. Isolated showers and thunderstorms. .WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ853-221315- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 808 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. .SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. Isolated thunderstorms. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. Scattered thunderstorms. Scattered showers, mainly in the morning. .SUNDAY NIGHT...West winds 5 to 10 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY NIGHT...West winds 5 to 10 knots, becoming south after midnight. Seas 1 foot or less. Bay and inland waters light chop. .TUESDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms. .WEDNESDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters smooth. Isolated showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ873-221315- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 808 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. .SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Isolated thunderstorms. Scattered showers, mainly in the morning. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Isolated thunderstorms. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Scattered showers and thunderstorms. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Isolated showers and thunderstorms. .MONDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. Isolated showers and thunderstorms in the morning. .MONDAY NIGHT...West winds around 5 knots, becoming south after midnight. Seas 1 foot or less. .TUESDAY...South winds around 5 knots. Seas 1 foot or less. .TUESDAY NIGHT...Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Isolated showers and thunderstorms. .WEDNESDAY...Southeast winds around 5 knots. Seas 1 foot or less. Isolated showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ850-221315- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 808 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms late. .SATURDAY...Southwest winds around 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms. .SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. Bay and inland waters light chop. Numerous showers and scattered thunderstorms. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the evening. .TUESDAY...South winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .TUESDAY NIGHT...West winds around 5 knots, becoming southeast after midnight. Seas 1 foot or less. Bay and inland waters smooth. Isolated showers and thunderstorms. .WEDNESDAY...South winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters smooth. Isolated showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ870-221315- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 808 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. .SATURDAY...Southwest winds around 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. Scattered showers and thunderstorms. .SATURDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Scattered showers and thunderstorms. .SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Numerous showers and scattered thunderstorms. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. Isolated showers and thunderstorms in the evening. .MONDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. .TUESDAY...Southwest winds around 5 knots. Seas 1 foot or less. Isolated showers and thunderstorms. .TUESDAY NIGHT...West winds around 5 knots, becoming south after midnight. Seas 1 foot or less. Isolated showers and thunderstorms. .WEDNESDAY...Southwest winds around 5 knots. Seas 1 foot or less. Isolated showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$