


Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL
Issued by NWS Tampa Bay Area, FL
530 FZUS52 KTBW 290648 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 248 AM EDT Fri Aug 29 2025 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. GMZ800-291930- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 248 AM EDT Fri Aug 29 2025 .SYNOPSIS... Weak high pressure will remain over the waters through Friday. A frontal boundary will push over the northern waters during the weekend increasing the chance of showers and thunderstorms. Winds and seas are expected to remain below cautionary levels through the period, but locally gusty winds and rough seas may occur in the vicinity of showers and storms. && $$ GMZ830-291930- Tampa Bay waters- 248 AM EDT Fri Aug 29 2025 .TODAY...West winds around 5 knots, increasing to 5 to 10 knots late. Bay and inland waters light chop. Scattered showers and thunderstorms this afternoon. .TONIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening. .SATURDAY...South winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. Scattered showers with isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. .SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters light chop. Scattered thunderstorms. Numerous showers, mainly in the evening. .SUNDAY...Northwest winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms in the morning, then widespread showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters light chop. Widespread showers and thunderstorms, mainly in the evening. .MONDAY...Northeast winds 5 to 10 knots, becoming northwest in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the morning, then widespread showers and thunderstorms in the afternoon. .MONDAY NIGHT...North winds around 10 knots, becoming east after midnight. Bay and inland waters light chop. Widespread showers and thunderstorms, mainly in the evening. .TUESDAY...Northeast winds 5 to 10 knots, becoming northwest in the afternoon. Bay and inland waters light chop. Scattered thunderstorms. Scattered showers in the morning, then numerous showers in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ836-291930- Charlotte Harbor and Pine Island Sound- 248 AM EDT Fri Aug 29 2025 .TODAY...Southeast winds around 5 knots, becoming north late this morning, then becoming west this afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms this afternoon. .TONIGHT...Northwest winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening. .SATURDAY...South winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. Scattered showers with isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Bay and inland waters light chop. Numerous showers and scattered thunderstorms in the evening, then scattered showers with isolated thunderstorms after midnight. .SUNDAY...Northwest winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers with isolated thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Bay and inland waters light chop. Numerous showers and thunderstorms, mainly in the evening. .MONDAY...North winds around 5 knots, becoming west in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the morning, then widespread showers and thunderstorms in the afternoon. .MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters light chop. Widespread showers and thunderstorms, mainly in the evening. .TUESDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Bay and inland waters light chop. Scattered thunderstorms. Scattered showers in the morning, then widespread showers in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ856-291930- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 248 AM EDT Fri Aug 29 2025 .TODAY...Southwest winds around 5 knots, becoming west late this morning and afternoon. Seas 1 foot or less. Bay and inland waters smooth. Isolated showers and thunderstorms early this afternoon. Scattered showers and thunderstorms late. .TONIGHT...Northwest winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms. .SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters light chop. Numerous showers. Numerous thunderstorms, mainly in the evening. .MONDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers. Numerous thunderstorms, mainly in the evening. .TUESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers and scattered thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ876-291930- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 248 AM EDT Fri Aug 29 2025 .TODAY...Southwest winds around 5 knots, becoming northwest late this morning and afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Isolated showers and thunderstorms late this morning and afternoon. .TONIGHT...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Scattered showers and thunderstorms, mainly in the evening. .SATURDAY...West winds around 5 knots. Seas 1 foot or less. Scattered showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon. .SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Scattered showers and thunderstorms. .SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Numerous showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Numerous showers. Numerous thunderstorms, mainly in the evening. .MONDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Numerous showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Numerous showers. Numerous thunderstorms, mainly in the evening. .TUESDAY...West winds around 10 knots. Seas 1 foot or less. Numerous showers and scattered thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ853-291930- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 248 AM EDT Fri Aug 29 2025 .TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms this afternoon. .TONIGHT...Northwest winds 5 to 10 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Bay and inland waters light chop. Scattered showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon. .SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms. .SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Bay and inland waters light chop. Numerous showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest winds around 10 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and northwest 1 foot at 3 seconds. Bay and inland waters light chop. Numerous showers. Numerous thunderstorms, mainly in the evening. .MONDAY...Northeast winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .MONDAY NIGHT...North winds around 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers. Numerous thunderstorms, mainly in the evening. .TUESDAY...Northeast winds around 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers and scattered thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ873-291930- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 248 AM EDT Fri Aug 29 2025 .TODAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Isolated showers and thunderstorms this afternoon. .TONIGHT...Northwest winds around 5 knots, becoming west after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Isolated showers and thunderstorms. .SATURDAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Scattered showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon. .SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Scattered showers and thunderstorms. .SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Numerous showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Numerous showers. Numerous thunderstorms, mainly in the evening. .MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Widespread showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .MONDAY NIGHT...North winds around 10 knots, becoming northeast after midnight. Seas 1 foot or less, then around 2 feet after midnight. Numerous showers. Numerous thunderstorms, mainly in the evening. .TUESDAY...North winds around 10 knots. Seas around 2 feet. Numerous showers and scattered thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ850-291930- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 248 AM EDT Fri Aug 29 2025 .TODAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms late this morning. Scattered showers and thunderstorms this afternoon. .TONIGHT...North winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms. .SATURDAY...South winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds and southeast 1 foot at 2 seconds. Bay and inland waters smooth. Numerous showers and scattered thunderstorms. .SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Bay and inland waters light chop. Numerous showers and scattered thunderstorms. .SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and west 1 foot at 3 seconds. Bay and inland waters light chop. Numerous showers and scattered thunderstorms in the morning, then widespread showers and thunderstorms in the afternoon. .SUNDAY NIGHT...North winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters light chop. Widespread showers and thunderstorms in the evening, then numerous showers and scattered thunderstorms after midnight. .MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 foot or less, then around 2 feet after midnight. Bay and inland waters a moderate chop. Numerous showers. Numerous thunderstorms, mainly in the evening. .TUESDAY...Northeast winds around 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers and scattered thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ870-291930- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 248 AM EDT Fri Aug 29 2025 .TODAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. Isolated showers and thunderstorms late this morning and early afternoon. Scattered showers and thunderstorms late. .TONIGHT...North winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds. Scattered showers and thunderstorms. .SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds and east 1 foot at 2 seconds. Numerous showers and scattered thunderstorms. .SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Numerous showers and scattered thunderstorms. .SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Widespread showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .SUNDAY NIGHT...North winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Widespread showers. Numerous thunderstorms, mainly in the evening. .MONDAY...Northeast winds around 10 knots. Seas around 2 feet. Widespread showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Numerous showers. Numerous thunderstorms, mainly in the evening. .TUESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Numerous showers and scattered thunderstorms. Winds and seas higher in and near thunderstorms. $$