


Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL
Issued by NWS Tampa Bay Area, FL
026 FZUS52 KTBW 171405 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 1005 AM EDT Sun Aug 17 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. GMZ800-172100- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 1005 AM EDT Sun Aug 17 2025 .SYNOPSIS... Light flow will turn onshore with the sea breeze today and Monday, then during Tuesday and Wednesday a more north to northeast flow will setup. Late in the week the flow will become west to southwest, but still rather light with winds 10 knots or less. Isolated to scattered showers and thunderstorms will be possible over the Gulf during the nighttime and morning hours each day, then most activity will shift over land through the rest of each day. && $$ GMZ830-172100- Tampa Bay waters- 1005 AM EDT Sun Aug 17 2025 .THIS AFTERNOON...South winds around 5 knots, becoming northwest 5 to 10 knots late. Bay and inland waters smooth. Scattered showers and thunderstorms. .TONIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening. .MONDAY...East winds around 5 knots, becoming west 5 to 10 knots in the afternoon. Bay and inland waters light chop. Numerous showers and thunderstorms in the afternoon. .MONDAY NIGHT...North winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters light chop. Numerous showers and thunderstorms, mainly in the evening. .TUESDAY...Northeast winds 5 to 10 knots, becoming north in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .TUESDAY NIGHT...North winds around 10 knots, becoming northeast 5 to 10 knots after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .WEDNESDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .THURSDAY...West winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ836-172100- Charlotte Harbor and Pine Island Sound- 1005 AM EDT Sun Aug 17 2025 .THIS AFTERNOON...Southeast winds 5 to 10 knots, becoming west late. Bay and inland waters smooth. Isolated showers and thunderstorms early. Scattered showers and thunderstorms late. .TONIGHT...Northwest winds around 5 knots, becoming east after midnight. Bay and inland waters smooth. Scattered showers and thunderstorms, mainly in the evening. .MONDAY...Southeast winds around 5 knots, becoming west 5 to 10 knots in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. .MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms. .TUESDAY...Northeast winds around 5 knots, becoming northwest 5 to 10 knots in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms. .WEDNESDAY...North winds 5 to 10 knots, becoming west around 10 knots in the afternoon. Bay and inland waters a light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .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 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ856-172100- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 1005 AM EDT Sun Aug 17 2025 .THIS AFTERNOON...South winds 5 to 10 knots, becoming southwest late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms. .TONIGHT...Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters smooth. Scattered showers and thunderstorms, mainly in the evening. .MONDAY...Southeast winds around 5 knots, becoming west 5 to 10 knots in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .MONDAY NIGHT...Northwest winds around 10 knots, becoming northeast 5 to 10 knots 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. .TUESDAY...Northeast winds around 5 knots, becoming northwest 5 to 10 knots in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .TUESDAY NIGHT...North 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. .WEDNESDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ876-172100- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 1005 AM EDT Sun Aug 17 2025 .THIS AFTERNOON...Southeast winds around 5 knots, becoming southwest late. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Isolated showers and thunderstorms. .TONIGHT...Northwest winds around 5 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight. .MONDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Scattered showers and thunderstorms. .MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. Scattered showers and thunderstorms. .TUESDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Scattered showers and thunderstorms. .TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Scattered showers and thunderstorms. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Scattered showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Scattered showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ853-172100- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 1005 AM EDT Sun Aug 17 2025 .THIS AFTERNOON...South winds 5 to 10 knots, becoming northwest late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms early, then scattered showers and thunderstorms late. .TONIGHT...North winds 5 to 10 knots, becoming east 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. .MONDAY...Southeast winds around 5 knots, becoming west 5 to 10 knots in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds and east 1 foot at 2 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .MONDAY NIGHT...North winds around 10 knots, becoming northeast 5 to 10 knots 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. .TUESDAY...Northeast winds 5 to 10 knots, becoming north in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms. .TUESDAY NIGHT...North winds around 10 knots, becoming northeast 5 to 10 knots after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms. .WEDNESDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ873-172100- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 1005 AM EDT Sun Aug 17 2025 .THIS AFTERNOON...East winds around 5 knots, becoming north late. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Isolated showers and thunderstorms. .TONIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight. .MONDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Scattered showers and thunderstorms. .MONDAY NIGHT...North winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds. Scattered showers and thunderstorms. .TUESDAY...Northeast winds 5 to 10 knots, becoming north in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Scattered showers and thunderstorms. .TUESDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Scattered showers and thunderstorms. .WEDNESDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Scattered showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Numerous showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ850-172100- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 1005 AM EDT Sun Aug 17 2025 .THIS AFTERNOON...East winds around 5 knots, becoming northwest 5 to 10 knots late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms early, then scattered showers and thunderstorms. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Bay and inland waters light chop. Numerous showers and thunderstorms in the evening, then isolated showers and thunderstorms after midnight. .MONDAY...East winds 5 to 10 knots, becoming north in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Bay and inland waters light chop. Numerous showers and thunderstorms, mainly in the evening. .TUESDAY...Northeast winds 5 to 10 knots, becoming north in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms. .TUESDAY NIGHT...North winds 5 to 10 knots, becoming northeast 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, mainly in the evening. .WEDNESDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ870-172100- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 1005 AM EDT Sun Aug 17 2025 .THIS AFTERNOON...Northeast winds around 5 knots, becoming north late. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Scattered showers and thunderstorms. .TONIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Scattered showers and thunderstorms. .MONDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. Scattered showers and thunderstorms. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Scattered showers and thunderstorms. .TUESDAY...East winds 5 to 10 knots, becoming northeast in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. Scattered showers and thunderstorms. .TUESDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds. Scattered showers and thunderstorms. .WEDNESDAY...North winds around 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Scattered showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Scattered showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$