National Weather Service Marine Forecast FZUS52 KTBW

FZUS52 KTBW 040741
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
341 AM EDT Sun Oct 4 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.

GMZ800-042030
Synopsis for the coastal waters from Bonita Beach to Suwannee River
341 AM EDT Sun Oct 4 2026

SYNOPSIS

Surface high pressure will hold northeast of the waters through Monday while a surface trough develops over the western Gulf. This will keep generally east and southeast winds in place. A cold front will push into the northeastern Gulf on Monday then stall out over the central waters by Wednesday, bringing an increase in storm chances and increasing winds over the northeastern Gulf to Cautionary or possibly Advisory levels.

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GMZ830-042030
Tampa Bay waters
341 AM EDT Sun Oct 4 2026

TODAY
Southeast winds 5 to 10 knots, becoming southwest late. Bay and inland waters light chop. Isolated showers and thunderstorms late.

TONIGHT
Northwest winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening, then isolated showers after midnight.

MONDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Scattered showers and thunderstorms in the afternoon.

MONDAY NIGHT
North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Scattered showers. Scattered thunderstorms, mainly in the evening.

TUESDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Numerous showers with isolated thunderstorms in the morning, then showers and numerous thunderstorms in the afternoon.

TUESDAY NIGHT
North winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Showers and scattered thunderstorms.

WEDNESDAY
Southeast winds around 10 knots, becoming west in the afternoon. Bay and inland waters light chop. Scattered thunderstorms. Showers.

WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Bay and inland waters a moderate chop. Scattered thunderstorms. Showers, mainly in the evening.

THURSDAY
Northeast winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers with isolated thunderstorms in the morning, then showers and scattered thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

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GMZ836-042030
Charlotte Harbor and Pine Island Sound
341 AM EDT Sun Oct 4 2026

TODAY
Southeast winds around 10 knots, becoming southwest late. Bay and inland waters light chop. Scattered showers and thunderstorms late.

TONIGHT
Southeast winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms, mainly in the evening.

MONDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon.

MONDAY NIGHT
Northwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. Scattered showers. Scattered thunderstorms, mainly in the evening.

TUESDAY
Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Scattered showers in the morning, then showers and scattered thunderstorms in the afternoon.

TUESDAY NIGHT
Southwest winds 5 to 10 knots, becoming south after midnight. Bay and inland waters light chop. Showers and scattered thunderstorms in the evening, then numerous showers with isolated thunderstorms after midnight.

WEDNESDAY
Southwest winds 5 to 10 knots. Bay and inland waters light chop. Showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon.

WEDNESDAY NIGHT
West winds 5 to 10 knots, becoming south after midnight. Bay and inland waters light chop. Showers and numerous thunderstorms in the evening, then numerous showers and scattered thunderstorms after midnight.

THURSDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. Scattered thunderstorms. Showers.

Winds and waves higher in and near thunderstorms.

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GMZ856-042030
Coastal waters from Bonita Beach to Englewood FL out 20 NM
341 AM EDT Sun Oct 4 2026

TODAY
Southeast winds 10 to 15 knots, becoming south 5 to 10 knots late. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. Bay and inland waters a moderate chop. Isolated showers and thunderstorms late.

TONIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Bay and inland waters light chop. Scattered showers. Scattered thunderstorms, mainly in the evening.

MONDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. Bay and inland waters light chop. Isolated showers in the morning.

MONDAY NIGHT
Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening, then numerous showers with isolated thunderstorms after midnight.

TUESDAY
Southeast winds around 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Bay and inland waters light chop. Numerous showers with isolated thunderstorms in the morning, then showers and scattered thunderstorms in the afternoon.

TUESDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Bay and inland waters light chop. Showers and scattered thunderstorms.

WEDNESDAY
Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Bay and inland waters light chop. Showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon.

WEDNESDAY NIGHT
West winds around 10 knots, becoming south after midnight. Seas around 2 feet in the evening, then 1 foot or less. Bay and inland waters light chop. Showers and numerous thunderstorms in the evening, then numerous showers and scattered thunderstorms after midnight.

THURSDAY
South winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters light chop. Scattered thunderstorms. Showers.

Winds and seas higher in and near thunderstorms.

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GMZ876-042030
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
341 AM EDT Sun Oct 4 2026

TODAY
Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots late. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. Isolated showers and thunderstorms early this afternoon.

TONIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. Scattered showers with isolated thunderstorms.

MONDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Scattered showers with isolated thunderstorms.

MONDAY NIGHT
Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. Isolated thunderstorms. Scattered showers in the evening, then numerous showers after midnight.

TUESDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Isolated thunderstorms. Showers.

TUESDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Showers and scattered thunderstorms.

WEDNESDAY
Southwest winds 5 to 10 knots. Seas 1 foot or less. Showers. Scattered thunderstorms in the morning, then numerous thunderstorms in the afternoon.

WEDNESDAY NIGHT
West winds around 10 knots, becoming southwest after midnight. Seas 1 foot or less, then around 2 feet after midnight. Showers. Numerous thunderstorms, mainly in the evening.

THURSDAY
South winds around 10 knots. Seas around 2 feet. Showers and scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ853-042030
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
341 AM EDT Sun Oct 4 2026

TODAY
Southeast winds 10 to 15 knots, becoming south 5 to 10 knots late. Seas 2 to 3 feet. Wave Detail: South 2 feet at 6 seconds. Bay and inland waters a moderate chop.

TONIGHT
South winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening, then isolated showers after midnight.

MONDAY
Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 5 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 5 to 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. Bay and inland waters light chop. Numerous showers. Scattered thunderstorms, mainly in the evening.

TUESDAY
Southeast winds around 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 4 seconds. Bay and inland waters light chop. Numerous showers with isolated thunderstorms in the morning, then showers and scattered thunderstorms in the afternoon.

TUESDAY NIGHT
West winds around 10 knots, becoming southeast 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 4 seconds. Bay and inland waters light chop. Showers and scattered thunderstorms.

WEDNESDAY
South winds 10 to 15 knots, becoming west in the afternoon. Seas around 2 feet. Bay and inland waters a moderate chop. Showers and scattered thunderstorms.

WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Scattered thunderstorms. Showers.

THURSDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Numerous showers and scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ873-042030
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
341 AM EDT Sun Oct 4 2026

TODAY
Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots late. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Isolated showers. Isolated thunderstorms this afternoon.

TONIGHT
South winds 5 to 10 knots, becoming southeast after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and south 2 feet at 6 seconds. Scattered showers. Scattered thunderstorms, mainly in the evening.

MONDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. Scattered showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon.

MONDAY NIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. Numerous showers and scattered thunderstorms in the evening, then showers with isolated thunderstorms after midnight.

TUESDAY
South winds around 10 knots, becoming southwest in the afternoon. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. Showers and scattered thunderstorms.

TUESDAY NIGHT
West winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds. Showers and scattered thunderstorms.

WEDNESDAY
South winds 10 to 15 knots, becoming west in the afternoon. Seas 2 to 3 feet. Showers and scattered thunderstorms.

WEDNESDAY NIGHT
North winds 10 to 15 knots, becoming east after midnight. Seas 2 to 3 feet. Showers and scattered thunderstorms.

THURSDAY
East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Scattered thunderstorms. Showers.

Winds and seas higher in and near thunderstorms.

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GMZ850-042030
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
341 AM EDT Sun Oct 4 2026

TODAY
Southeast winds 5 to 10 knots, becoming southwest late. Seas 1 to 2 feet. Wave Detail: South 2 feet at 6 seconds and southeast 1 foot at 3 seconds. Bay and inland waters light chop. Isolated showers early this morning. Isolated showers and thunderstorms this afternoon.

TONIGHT
North winds 5 to 10 knots, becoming east after midnight. Seas 1 to 2 feet. Wave Detail: South 1 foot at 2 seconds and south 1 foot at 6 seconds. Bay and inland waters light chop. Scattered showers with isolated thunderstorms.

MONDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 2 seconds and south 1 foot at 6 seconds. Bay and inland waters light chop. Scattered thunderstorms. Scattered showers in the morning, then numerous showers in the afternoon.

MONDAY NIGHT
Northeast winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less, then 1 to 2 feet after midnight. Wave Detail: Northeast 1 foot at 2 seconds and southwest 1 foot at 6 seconds, becoming east 1 foot at 2 seconds and southwest 1 foot at 5 seconds. Bay and inland waters light chop. Showers. Scattered thunderstorms, mainly in the evening.

TUESDAY
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 2 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop. Showers and scattered thunderstorms.

TUESDAY NIGHT
Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and southwest 1 foot at 5 seconds. Bay and inland waters a moderate chop. Showers. Scattered thunderstorms, mainly in the evening.

WEDNESDAY
Northeast winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Numerous showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon.

WEDNESDAY NIGHT
Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Bay and inland waters choppy. Scattered showers. Scattered thunderstorms, mainly in the evening.

THURSDAY
Northeast winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Scattered showers with isolated thunderstorms in the morning, then numerous showers and scattered thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.

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GMZ870-042030
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
341 AM EDT Sun Oct 4 2026

TODAY
Southeast winds 10 to 15 knots, becoming south 5 to 10 knots late. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated thunderstorms this morning. Scattered showers. Scattered thunderstorms this afternoon.

TONIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Scattered showers. Scattered thunderstorms, mainly in the evening.

MONDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. Scattered thunderstorms. Showers.

MONDAY NIGHT
Northeast winds 5 to 10 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and east 1 foot at 2 seconds. Showers and scattered thunderstorms.

TUESDAY
Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Showers and scattered thunderstorms.

TUESDAY NIGHT
Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and southwest 1 foot at 5 seconds. Showers and scattered thunderstorms.

WEDNESDAY
Northeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered thunderstorms. Showers.

WEDNESDAY NIGHT
Northeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered thunderstorms. Showers.

THURSDAY
Northeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered thunderstorms. Scattered showers in the morning, then numerous showers in the afternoon.

Winds and seas higher in and near thunderstorms.