National Weather Service Marine Forecast FZUS52 KTBW

FZUS52 KTBW 230709
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
309 AM EDT Thu Apr 23 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.

GMZ800-231930
Synopsis for the coastal waters from Bonita Beach to Suwannee River
309 AM EDT Thu Apr 23 2026

SYNOPSIS

E/SE winds over the waters into the weekend then gradually veering to W/SW over the weekend as the ridge axis shifts south across the waters while a frontal boundary approaches north of the waters. Showers and storms chances during the weekend, then diminishing early next week as ridge axis shifts back over the waters with generally light winds.

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GMZ830-231930
Tampa Bay waters
309 AM EDT Thu Apr 23 2026

TODAY
East winds 5 to 10 knots, becoming southwest late. Bay and inland waters light chop.

TONIGHT
Northwest winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop.

FRIDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop.

FRIDAY NIGHT
West winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters light chop.

SATURDAY
Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
West winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening.

SUNDAY
Southwest winds around 5 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
West winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening.

MONDAY
East winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop.

Winds and waves higher in and near thunderstorms.

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GMZ836-231930
Charlotte Harbor and Pine Island Sound
309 AM EDT Thu Apr 23 2026

TODAY
East winds 5 to 10 knots, becoming south late. Bay and inland waters light chop.

TONIGHT
Southeast winds 5 to 10 knots. Bay and inland waters light chop.

FRIDAY
East winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop.

FRIDAY NIGHT
West winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop.

SATURDAY
Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon.

SATURDAY NIGHT
West winds 5 to 10 knots, becoming south after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening.

SUNDAY
South winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop.

SUNDAY NIGHT
West winds 5 to 10 knots, becoming north after midnight. Bay and inland waters light chop.

MONDAY
East winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop.

Winds and waves higher in and near thunderstorms.

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GMZ856-231930
Coastal waters from Bonita Beach to Englewood FL out 20 NM
309 AM EDT Thu Apr 23 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: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop.

TONIGHT
Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. A slight chance of showers in the evening.

FRIDAY
East winds around 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop.

FRIDAY NIGHT
Southwest winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Bay and inland waters light chop.

SATURDAY
Southeast winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Bay and inland waters light chop.

SATURDAY NIGHT
West winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Bay and inland waters light chop.

SUNDAY
South winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop.

SUNDAY NIGHT
West winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. Bay and inland waters light chop.

MONDAY
East winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop.

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GMZ876-231930
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
309 AM EDT Thu Apr 23 2026

TODAY
East winds 10 to 15 knots with gusts up to 20 knots, becoming southeast 5 to 10 knots late. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds.

TONIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening.

FRIDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers in the morning.

FRIDAY NIGHT
Southeast winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds, becoming south 1 foot at 4 seconds. A slight chance of showers after midnight.

SATURDAY
Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers in the morning.

SATURDAY NIGHT
West winds around 5 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds.

SUNDAY
South winds around 5 knots. Seas 1 foot or less.

SUNDAY NIGHT
West winds around 5 knots, becoming northeast after midnight. Seas 1 foot or less.

MONDAY
Southeast winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

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GMZ853-231930
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
309 AM EDT Thu Apr 23 2026

TODAY
East winds 10 to 15 knots, becoming southeast 5 to 10 knots early this afternoon, then becoming southwest late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop.

TONIGHT
North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. Bay and inland waters light chop.

FRIDAY
Southeast winds around 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds, becoming south 1 foot at 4 seconds. Bay and inland waters light chop.

FRIDAY NIGHT
West winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Bay and inland waters light chop.

SATURDAY
Southeast winds around 5 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.

SATURDAY NIGHT
West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Bay and inland waters light chop.

SUNDAY
Southwest winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop.

SUNDAY NIGHT
West winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less. Bay and inland waters light chop.

MONDAY
East winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop.

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GMZ873-231930
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
309 AM EDT Thu Apr 23 2026

TODAY
Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds.

TONIGHT
East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.

FRIDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.

FRIDAY NIGHT
South winds around 5 knots, becoming southeast after midnight. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: South 2 feet at 5 seconds, becoming south 1 foot at 5 seconds.

SATURDAY
Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds.

SATURDAY NIGHT
Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds.

SUNDAY
South winds around 5 knots. Seas 1 foot or less.

SUNDAY NIGHT
West winds around 5 knots, becoming northeast after midnight. Seas 1 foot or less.

MONDAY
East winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less.

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GMZ850-231930
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
309 AM EDT Thu Apr 23 2026

TODAY
Southeast winds 5 to 10 knots, becoming west late. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop.

TONIGHT
Northwest winds around 5 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Bay and inland waters light chop.

FRIDAY
South winds 5 to 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.

FRIDAY NIGHT
West winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Bay and inland waters light chop.

SATURDAY
Southeast winds around 5 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. A slight chance of showers. A slight chance of thunderstorms in the afternoon.

SATURDAY NIGHT
West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Bay and inland waters light chop. A slight chance of showers.

SUNDAY
West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
West winds 5 to 10 knots, becoming northwest after midnight. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening.

MONDAY
East winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop.

Winds and seas higher in and near thunderstorms.

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GMZ870-231930
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
309 AM EDT Thu Apr 23 2026

TODAY
Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots early this afternoon, then becoming southwest late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.

TONIGHT
Northwest winds around 5 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds and east 1 foot at 2 seconds.

FRIDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and southeast 1 foot at 2 seconds.

FRIDAY NIGHT
Southwest winds around 5 knots, becoming southeast after midnight. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: South 1 foot at 5 seconds.

SATURDAY
South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers.

SATURDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of showers after midnight.

SUNDAY
Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers.

SUNDAY NIGHT
Southwest winds around 5 knots. Seas 1 foot or less.

MONDAY
East winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less.