National Weather Service Marine Forecast FZUS52 KTBW

FZUS52 KTBW 032341
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
741 PM EDT Mon Aug 3 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.

GMZ800-041215
Synopsis for the coastal waters from Bonita Beach to Suwannee River
741 PM EDT Mon Aug 3 2026

SYNOPSIS

High pressure south of the region continues to produce southwesterly flow over the Gulf waters with scattered to numerous showers and thunderstorms with gusty winds and choppy seas. High pressure will build over the region by mid week with winds and seas slowly subsiding.


GMZ830-041215
Tampa Bay waters
741 PM EDT Mon Aug 3 2026

TONIGHT
Southwest winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms.

TUESDAY
Southwest winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms.

TUESDAY NIGHT
Southwest winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening.

WEDNESDAY
East winds around 5 knots, becoming west in the afternoon. Bay and inland waters smooth. Numerous showers and scattered thunderstorms in the afternoon.

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

THURSDAY
East winds 5 to 10 knots. Bay and inland waters light chop. Showers and thunderstorms in the afternoon.

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

FRIDAY
East winds 10 to 15 knots. Bay and inland waters a moderate chop. Numerous showers and thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.


GMZ836-041215
Charlotte Harbor and Pine Island Sound
741 PM EDT Mon Aug 3 2026

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

TUESDAY
Southwest winds 5 to 10 knots. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon.

TUESDAY NIGHT
South winds around 5 knots, becoming east after midnight. Bay and inland waters smooth. Scattered showers and thunderstorms in the evening.

WEDNESDAY
East winds around 5 knots, becoming south in the afternoon. Bay and inland waters smooth. Isolated showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Bay and inland waters light chop. Numerous showers and thunderstorms, mainly in the evening.

THURSDAY
East winds around 10 knots. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then showers and thunderstorms in the afternoon.

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

FRIDAY
East winds 10 to 15 knots. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the morning, then showers and thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.


GMZ856-041215
Coastal waters from Bonita Beach to Englewood FL out 20 NM
741 PM EDT Mon Aug 3 2026

TONIGHT
West winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: West 2 feet at 6 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop.

TUESDAY
Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: West 2 feet at 6 seconds and south 1 foot at 4 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon.

TUESDAY NIGHT
South winds around 5 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 5 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms.

WEDNESDAY
Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 2 seconds and west 1 foot at 5 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and west 1 foot at 4 seconds. Bay and inland waters light chop. Numerous showers and thunderstorms, mainly in the evening.

THURSDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the morning, then showers and thunderstorms in the afternoon.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Showers and thunderstorms, mainly in the evening.

FRIDAY
East winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.


GMZ876-041215
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
741 PM EDT Mon Aug 3 2026

TONIGHT
Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: West 2 feet at 6 seconds and south 1 foot at 4 seconds.

TUESDAY
Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: West 2 feet at 6 seconds and south 1 foot at 4 seconds. Isolated showers and thunderstorms.

TUESDAY NIGHT
South winds around 5 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 5 seconds. Isolated showers and thunderstorms.

WEDNESDAY
East winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and west 1 foot at 4 seconds. Scattered showers and thunderstorms.

WEDNESDAY NIGHT
Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 2 seconds and west 1 foot at 5 seconds, becoming east 1 foot at 3 seconds and west 1 foot at 5 seconds. Scattered showers and thunderstorms.

THURSDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. Scattered showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet. Numerous showers and thunderstorms, mainly in the evening.

FRIDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.


GMZ853-041215
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
741 PM EDT Mon Aug 3 2026

TONIGHT
Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: West 3 feet at 6 seconds and south 1 foot at 3 seconds. Bay and inland waters a moderate chop. Scattered showers and thunderstorms.

TUESDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 5 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms.

TUESDAY NIGHT
South winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds, becoming west 1 foot at 4 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms.

WEDNESDAY
Southeast winds around 5 knots, becoming southwest around 5 knots in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon.

WEDNESDAY NIGHT
Northeast winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and west 1 foot at 4 seconds. Bay and inland waters light chop. Scattered showers and thunderstorms.

THURSDAY
East winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Numerous showers and thunderstorms, mainly in the evening.

FRIDAY
East winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Numerous showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.


GMZ873-041215
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
741 PM EDT Mon Aug 3 2026

TONIGHT
Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 5 seconds. Scattered showers and thunderstorms.

TUESDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 2 feet at 5 seconds and south 1 foot at 4 seconds. Scattered showers and thunderstorms, mainly in the morning.

TUESDAY NIGHT
South winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: South 1 foot at 4 seconds and west 1 foot at 5 seconds, becoming west 1 foot at 4 seconds. Isolated showers and thunderstorms after midnight.

WEDNESDAY
Southeast winds around 5 knots, becoming east around 5 knots in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. Isolated showers and thunderstorms.

WEDNESDAY NIGHT
Northeast winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 5 seconds. Scattered showers and thunderstorms.

THURSDAY
East winds 5 to 10 knots. Seas around 2 feet. Scattered showers and thunderstorms.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and thunderstorms.

FRIDAY
East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.


GMZ850-041215
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
741 PM EDT Mon Aug 3 2026

TONIGHT
Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 5 seconds and southwest 1 foot at 2 seconds. Bay and inland waters a moderate chop. Numerous showers and scattered thunderstorms.

TUESDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. Bay and inland waters light chop. Scattered thunderstorms. Numerous showers, mainly in the morning.

TUESDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Bay and inland waters light chop. Scattered showers with isolated thunderstorms after midnight.

WEDNESDAY
Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Bay and inland waters smooth. Scattered showers and thunderstorms, mainly in the morning.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and southwest 1 foot at 4 seconds. Bay and inland waters light chop. Scattered showers. Scattered thunderstorms, mainly in the evening.

THURSDAY
East winds 5 to 10 knots, becoming northeast in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. Scattered showers with isolated thunderstorms in the morning, then numerous showers and thunderstorms in the afternoon.

THURSDAY NIGHT
East winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Numerous showers and thunderstorms, mainly in the evening.

FRIDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Bay and inland waters a moderate chop. Scattered showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.


GMZ870-041215
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
741 PM EDT Mon Aug 3 2026

TONIGHT
Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 4 feet at 6 seconds. Numerous showers and scattered thunderstorms.

TUESDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. Scattered showers and thunderstorms, mainly in the morning.

TUESDAY NIGHT
Southwest winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Southwest 2 feet at 5 seconds, becoming southwest 1 foot at 4 seconds. Isolated showers and thunderstorms after midnight.

WEDNESDAY
South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Isolated showers and thunderstorms.

WEDNESDAY NIGHT
Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and southwest 1 foot at 4 seconds. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight.

THURSDAY
East winds 5 to 10 knots. Seas 1 foot or less. Scattered showers and thunderstorms.

THURSDAY NIGHT
Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Scattered showers and thunderstorms.

FRIDAY
East winds 10 to 15 knots. Seas around 2 feet. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.