FZUS52 KTBW 200657 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 257 AM EDT Wed May 20 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. GMZ800-201915- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 257 AM EDT Wed May 20 2026 .SYNOPSIS... Winds will be mainly out of the east to southeast for much of the week below cautionary levels. The main hazard will continue to be afternoon and evening storms that push off of land and over the Gulf. Some of these storms could cause locally strong gusty winds and hazardous seas. $$ GMZ830-201915- Tampa Bay waters- 257 AM EDT Wed May 20 2026 .TODAY...East winds 5 to 10 knots, becoming south early this afternoon, then becoming west late. Bay and inland waters light chop. Isolated showers and thunderstorms late. .TONIGHT...Northeast winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening. .THURSDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Isolated showers and thunderstorms in the evening. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Isolated showers and thunderstorms in the evening. .SATURDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. .SATURDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .SUNDAY...Southeast winds around 10 knots, becoming south in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ836-201915- Charlotte Harbor and Pine Island Sound- 257 AM EDT Wed May 20 2026 .TODAY...East winds 5 to 10 knots, becoming southwest late. Bay and inland waters light chop. Scattered showers and thunderstorms late. .TONIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .FRIDAY...East winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .SATURDAY...East winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening. .SUNDAY...East winds around 10 knots, becoming south in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ856-201915- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 257 AM EDT Wed May 20 2026 .TODAY...East winds around 10 knots, becoming southwest late. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms late. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening. .THURSDAY...East winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .FRIDAY...East winds around 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms. .SATURDAY...East winds around 10 knots, becoming south in the afternoon. Seas around 2 feet. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms. .SUNDAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas around 2 feet. Bay and inland waters a moderate chop. A chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ876-201915- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 257 AM EDT Wed May 20 2026 .TODAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots early this afternoon, then becoming south late. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Southeast 2 feet at 4 seconds, becoming east 1 foot at 4 seconds. Isolated showers and thunderstorms in the evening. .THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. .THURSDAY NIGHT...East winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Isolated showers and thunderstorms. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southeast 1 foot at 4 seconds. Isolated showers and thunderstorms in the evening. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms. .SUNDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ853-201915- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 257 AM EDT Wed May 20 2026 .TODAY...East winds 5 to 10 knots, becoming south early this afternoon, then becoming west late. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds, becoming west 1 foot at 2 seconds and east 1 foot at 4 seconds. Bay and inland waters light chop. .TONIGHT...North winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the evening. .THURSDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .SATURDAY...Southeast winds around 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .SATURDAY NIGHT...North winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms. .SUNDAY...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots in the afternoon. Seas around 2 feet. Bay and inland waters a moderate chop. A chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ873-201915- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 257 AM EDT Wed May 20 2026 .TODAY...East winds 5 to 10 knots, becoming southwest late. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. .TONIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and southeast 1 foot at 5 seconds. .THURSDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .FRIDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. .SUNDAY...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. $$ GMZ850-201915- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 257 AM EDT Wed May 20 2026 .TODAY...East winds 5 to 10 knots, becoming west late. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. .TONIGHT...Northwest winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .THURSDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. .SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. .SATURDAY NIGHT...North winds around 5 knots, becoming southeast after midnight. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .SUNDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ870-201915- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 257 AM EDT Wed May 20 2026 .TODAY...Southeast winds 5 to 10 knots, becoming west late. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds and south 1 foot at 6 seconds. .TONIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds and south 1 foot at 6 seconds. .THURSDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 6 seconds. .THURSDAY NIGHT...Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 6 seconds. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds. .FRIDAY NIGHT...Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds. .SATURDAY...Southeast winds around 10 knots, becoming south in the afternoon. Seas around 2 feet. .SATURDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .SUNDAY...Southeast winds around 10 knots, becoming south in the afternoon. Seas around 2 feet. $$