Expires:202608130915;;076394 FZUS52 KTBW 122030 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 430 PM EDT Wed Aug 12 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. GMZ856-130915- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 430 PM EDT Wed Aug 12 2026 .TONIGHT...Northwest winds 10 to 15 knots, becoming north 5 to 10 knots after midnight. Seas around 2 feet this evening, then 1 foot or less. Wave Detail: Northwest 2 feet at 3 seconds, becoming northwest 1 foot at 3 seconds. Bay and inland waters a moderate chop. .THURSDAY...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. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters light chop. .FRIDAY...East winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 4 seconds. Bay and inland waters smooth. Scattered showers and thunderstorms in the afternoon. .FRIDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the evening. .SATURDAY...East winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds and northwest 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening. .SUNDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. .SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. .MONDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Winds and seas higher in and near thunderstorms. $$