Expires:202507180215;;597696 FZUS52 KTBW 171313 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 913 AM EDT Thu Jul 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. GMZ853-180215- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 913 AM EDT Thu Jul 17 2025 .THIS AFTERNOON...Southeast winds 10 to 15 knots with gusts up to 20 knots, becoming south late. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: South 2 feet at 4 seconds, becoming south 1 foot at 4 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .FRIDAY...Southeast winds around 10 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .FRIDAY NIGHT...West winds around 5 knots, becoming east after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 4 seconds, becoming south 1 foot at 6 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: South 1 foot at 6 seconds, becoming south 1 foot at 5 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop. .SUNDAY...East winds around 5 knots, becoming northwest in the afternoon. Seas 1 foot or less. Bay and inland waters smooth. Isolated showers and thunderstorms. .SUNDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms. .MONDAY...North 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. $$