FZUS52 KTBW 210715 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 315 AM EDT Sun Jun 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. GMZ800-212015- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 315 AM EDT Sun Jun 21 2026 .SYNOPSIS... Mostly benign boating conditions with generally westerly flow around 5 to 10 knots through the period. Primary concern for mariners will be the potential for morning convection over the northern waters and evening convection over the southern waters. $$ GMZ830-212015- Tampa Bay waters- 315 AM EDT Sun Jun 21 2026 .TODAY...Southwest winds around 5 knots, becoming west early this afternoon, then increasing to 10 to 15 knots late. Bay and inland waters a moderate chop. .TONIGHT...Northwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay and inland waters light chop. .MONDAY...Southwest winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. .MONDAY NIGHT...West winds 5 to 10 knots, becoming northwest after midnight. Bay and inland waters light chop. .TUESDAY...West winds around 5 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop. .TUESDAY NIGHT...West winds 10 to 15 knots, becoming northwest 5 to 10 knots after midnight. Bay and inland waters a moderate chop. .WEDNESDAY...Northwest winds around 5 knots, becoming west 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...West winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .THURSDAY...Southwest winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ836-212015- Charlotte Harbor and Pine Island Sound- 315 AM EDT Sun Jun 21 2026 .TODAY...South winds around 5 knots, becoming west this afternoon. Bay and inland waters light chop. .TONIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Bay and inland waters light chop. .MONDAY...South winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. .MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Bay and inland waters light chop. .TUESDAY...East winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY...North winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .THURSDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters lightchop. A slight chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ856-212015- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 315 AM EDT Sun Jun 21 2026 .TODAY...South winds around 5 knots, becoming west this afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .TONIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .MONDAY...South winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters light chop. .TUESDAY...Northeast winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .WEDNESDAY...North winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less. Bay and inland waters light chop. .THURSDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ876-212015- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 315 AM EDT Sun Jun 21 2026 .TODAY...South winds around 5 knots, becoming west around 5 knots this afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 6 seconds. .TONIGHT...Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 6 seconds. .MONDAY...Southeast winds around 5 knots, becoming northwest in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 6 seconds. .MONDAY NIGHT...North winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 6 seconds. .TUESDAY...Northeast winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 7 seconds. .TUESDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds and southwest 1 foot at 6 seconds. .WEDNESDAY...Northwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...North winds around 5 knots. Seas 1 foot or less. .THURSDAY...East winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ853-212015- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 315 AM EDT Sun Jun 21 2026 .TODAY...Southwest winds 5 to 10 knots, becoming west late. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .TONIGHT...Northwest winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop..MONDAY...Southwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .TUESDAY...Northwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds, becoming northwest 1 foot at 2 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters light chop. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Bay and inland waters light chop. .THURSDAY...Southwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ873-212015- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 315 AM EDT Sun Jun 21 2026 .TODAY...Southwest winds around 5 knots, becoming west around 5 knots late. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds. .TONIGHT...Northwest winds around 5 knots, becoming southwest after midnight. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds, becoming southwest 1 foot at 6 seconds. .MONDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 6 seconds. .MONDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds and southwest 1 foot at 6 seconds. .TUESDAY...Northwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 6 seconds. .TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 2 seconds and southwest 1 foot at 6 seconds. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. .THURSDAY...West winds around 5 knots. Seas 1 foot or less. $$ GMZ850-212015- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 315 AM EDT Sun Jun 21 2026 .TODAY...West winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: West 1 foot at 2 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .TONIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds, becoming southwest 1 foot at 6 seconds. Bay and inland waters light chop. .MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 6 seconds. Bay and inland waters light chop. .MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters light chop. .TUESDAY...West winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters a moderate chop. .TUESDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at6 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ870-212015- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 315 AM EDT Sun Jun 21 2026 .TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 6 seconds. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 6 seconds. .MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds. .MONDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and southwest 1 foot at 6 seconds. .TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 6 seconds. .TUESDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds and southwest 1 foot at 6 seconds. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A slight chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$