FZUS52 KTBW 181352 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 952 AM EDT Sat Jul 18 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. GMZ800-190215- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 952 AM EDT Sat Jul 18 2026 .SYNOPSIS... A tropical wave slowly moving over the eastern Gulf will produce a tightening pressure gradient with the flow shifting to south to southwest over the weekend into early next week. Periods of showers and thunderstorms are expected, with higher winds and seas likely in and near thunderstorms through early next week. $$ GMZ830-190215- Tampa Bay waters- 952 AM EDT Sat Jul 18 2026 .TODAY...South winds 10 to 15 knots. Bay and inland waters a moderate chop. Scattered thunderstorms. Scattered showers until late afternoon, then numerous showers late. .TONIGHT...Southeast winds 10 to 15 knots. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .SUNDAY...South winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters a moderate chop. Numerous showers and scattered thunderstorms. .SUNDAY NIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Bay and inland waters choppy. Scattered thunderstorms. Scattered showers in the evening, then numerous showers after midnight. .MONDAY...South winds 15 to 20 knots with gusts up to 25 knots. Bay and inland waters choppy. Numerous showers and scattered thunderstorms. .MONDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .TUESDAY...South winds 15 to 20 knots. Bay and inland waters choppy. Scattered showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters a moderate chop. Scattered showers and thunderstorms, mainly in the evening. .WEDNESDAY...Southwest winds 10 to 15 knots. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ836-190215- Charlotte Harbor and Pine Island Sound- 952 AM EDT Sat Jul 18 2026 .TODAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots this afternoon. Bay and inland waters a moderate chop. Scattered thunderstorms. Numerous showers until late afternoon, then scattered showers late. .TONIGHT...South winds 10 to 15 knots. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .SUNDAY...South winds 10 to 15 knots. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .MONDAY...South winds 10 to 15 knots, becoming southwest 15 to 20 knots in the afternoon. Bay and inland waters choppy. Scattered showers and thunderstorms. .MONDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters a moderate chop. Scattered showers and thunderstorms, mainly in the evening. .TUESDAY...South winds 10 to 15 knots. Bay and inland waters a moderate chop. Isolated showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay and inlandwaters light chop. Isolated showers and thunderstorms in the evening. .WEDNESDAY...South winds 5 to 10 knots. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ856-190215- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 952 AM EDT Sat Jul 18 2026 .TODAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and northwest 1 foot at 5 seconds. Bay and inland waters a moderate chop. Scattered thunderstorms. Widespread showers until late afternoon, then scattered showers late. .TONIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and west 1 foot at 5 seconds. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .SUNDAY...South winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and west 1 foot at 4 seconds. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .SUNDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and west 1 foot at 5 seconds. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. .MONDAY...South winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and west 2 feet at 5 seconds. Bay and inland waters choppy. Scattered showers and thunderstorms. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and west 2 feet at 5 seconds. Bay and inland waters a moderate chop. Scattered showers and thunderstorms, mainly in the evening. .TUESDAY...South winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Isolated showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters light chop. Isolated showers and thunderstorms in the evening. .WEDNESDAY...South winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Winds and seas higher in and near thunderstorms. $$ GMZ876-190215- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 952 AM EDT Sat Jul 18 2026 .TODAY...South winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this morning and afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds and northwest 2 feet at 5 seconds. Scattered thunderstorms. Widespread showers until late afternoon, then scattered showers late. .TONIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and northwest 1 foot at 5 seconds. Scattered thunderstorms. Scattered showers in the evening, then numerous showers after midnight. .SUNDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and west 1 foot at 5 seconds. Scattered thunderstorms. Numerous showers, mainly in the morning. .SUNDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and west 1 foot at 4 seconds. Scattered showers and thunderstorms. .MONDAY...South winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds and west 2 feet at 5 seconds. Scattered showers and thunderstorms. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and west 2 feet at 5 seconds. Scattered showers and thunderstorms, mainly in the evening. .TUESDAY...South winds 10 to 15 knots. Seas around 2 feet. Isolated showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Isolated showers and thunderstorms in the evening. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ853-190215- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 952 AM EDT Sat Jul 18 2026 .TODAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and northwest 1 foot at 5 seconds. Bay and inland waters a moderate chop. Scattered thunderstorms. .TONIGHT...South winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and northwest 1 foot at 5 seconds. Bay and inland waters a moderate chop. Scattered thunderstorms. Scattered showers in the evening, then numerous showers after midnight. .SUNDAY...South winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and northwest 1 foot at 5 seconds. Bay and inland waters choppy. Numerous showers and scattered thunderstorms. .SUNDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds and west 1 foot at 5 seconds. Bay and inland waters choppy. Scattered thunderstorms. Scattered showers in the evening, then numerous showers after midnight. .MONDAY...South winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 4 seconds and west 1 foot at 5 seconds. Bay and inland waters rough. Numerous showers and scattered thunderstorms. .MONDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 5 seconds. Bay and inland waters choppy. Scattered showers and thunderstorms. .TUESDAY...South winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Bay and inland waters choppy. Scattered showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Bay and inland waters choppy. Scattered showers and thunderstorms, mainly in the evening. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Isolated showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ873-190215- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 952 AM EDT Sat Jul 18 2026 .TODAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots this afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds and northwest 2 feet at 5 seconds. Scattered thunderstorms. Widespread showers. .TONIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and northwest 1 foot at 4 seconds. Numerous showers and scattered thunderstorms. .SUNDAY...South winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and northwest 1 foot at 4 seconds. Widespread showers and scattered thunderstorms. .SUNDAY NIGHT...South winds around 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave Detail: South 3 feet at 5 seconds and west 1 foot at 5 seconds. Scattered thunderstorms. Scattered showers in the evening, then numerous showers after midnight. .MONDAY...South winds 15 to 20 knots. Gusts up to 30 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southwest 5 feet at 5 seconds. Numerous showers and scattered thunderstorms. .MONDAY NIGHT...Southwest winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 5 seconds. Scattered showers and thunderstorms. .TUESDAY...Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet.Scattered showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Isolated showers and thunderstorms. .WEDNESDAY...Southwest winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 2 feet. Isolated showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ850-190215- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 952 AM EDT Sat Jul 18 2026 .TODAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots late. Seas 1 foot or less, then around 2 feet this afternoon. Wave Detail: Southeast 1 foot at 2 seconds and west 1 foot at 4 seconds, becoming south 1 foot at 3 seconds and west 1 foot at 4 seconds. Bay and inland waters a moderate chop. Isolated showers and thunderstorms this morning, then numerous showers and scattered thunderstorms this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds and west 1 foot at 4 seconds. Bay and inland waters a moderate chop. Scattered thunderstorms. Numerous showers, mainly in the evening. .SUNDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and west 1 foot at 4 seconds. Bay and inland waters a moderate chop. Numerous showers and scattered thunderstorms. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds. Bay and inland waters a moderate chop. Scattered thunderstorms. Widespread showers. .MONDAY...South winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 4 seconds. Bay and inland waters rough. Widespread showers and scattered thunderstorms. .MONDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 4 feet at 6 seconds and southwest 1 foot at 3 seconds. Bay and inland waters choppy. Numerous showers and scattered thunderstorms. .TUESDAY...South winds 15 to 20 knots, becoming southwest 20 to 25 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Bay and inland waters rough. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT...Southwest winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Bay and inland waters choppy. Scattered showers and thunderstorms. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ870-190215- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 952 AM EDT Sat Jul 18 2026 .TODAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots this afternoon. Seas 1 foot or less, then around 2 feet this afternoon. Wave Detail: West 1 foot at 4 seconds, becoming south 1 foot at 2 seconds and west 1 foot at 4 seconds. Scattered thunderstorms. Scattered showers until late afternoon, then numerous showers late. .TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds and west 1 foot at 4 seconds. Numerous showers and scattered thunderstorms. .SUNDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and west 1 foot at 4 seconds. Scattered thunderstorms. Widespread showers. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and west 1 foot at 5 seconds. Scattered thunderstorms. Widespread showers. .MONDAY...South winds 15 to 20 knots, increasing to 20 to 25 knots with gusts up to 30 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 5 seconds. Widespread showers and scattered thunderstorms. .MONDAY NIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. Numerous showers and scattered thunderstorms. .TUESDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Numerous showers and scattered thunderstorms. .TUESDAY NIGHT...Southwest winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers and thunderstorms. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$