National Weather Service Marine Forecast FZUS52 KTBW

FZUS52 KTBW 131925
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
325 PM EDT Wed May 13 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.

GMZ800-140815
Synopsis for the coastal waters from Bonita Beach to Suwannee River
325 PM EDT Wed May 13 2026

SYNOPSIS

A stalled frontal boundary over the waters will slowly drift south tonight and Thursday, with isolated showers and thunderstorms possible early tonight, then drier conditions return for Thursday and Friday. High pressure will settle in northeast of the waters this weekend into early next week, with afternoon and evening showers and thunderstorms possibly moving west into the coastal each day.

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GMZ830-140815
Tampa Bay waters
325 PM EDT Wed May 13 2026

TONIGHT
Northwest winds 5 to 10 knots, becoming north late. Bay and inland waters light chop. A slight chance of showers after midnight.

THURSDAY
North winds 5 to 10 knots, becoming northwest 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters a moderate chop.

THURSDAY NIGHT
Northwest winds 10 to 15 knots with gusts up to 20 knots, becoming north 5 to 10 knots after midnight. Bay and inland waters a moderate chop.

FRIDAY
Northeast winds 5 to 10 knots, becoming northwest 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop.

FRIDAY NIGHT
Northwest winds 10 to 15 knots, becoming east 5 to 10 knots after midnight. Bay and inland waters a moderate chop.

SATURDAY
Southeast winds around 10 knots, becoming south in the afternoon. Bay and inland waters light chop.

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

SUNDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay and inland waters a moderate chop. A chance of showers and thunderstorms, mainly in the evening.

MONDAY
East winds 5 to 10 knots. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

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GMZ836-140815
Charlotte Harbor and Pine Island Sound
325 PM EDT Wed May 13 2026

TONIGHT
West winds 10 to 15 knots, becoming northwest 5 to 10 knots late this evening and overnight. Bay and inland waters a moderate chop. A slight chance of showers after midnight.

THURSDAY
Northwest winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters a moderate chop.

THURSDAY NIGHT
Northwest winds 15 to 20 knots, becoming north 5 to 10 knots after midnight. Bay and inland waters choppy.

FRIDAY
North winds 5 to 10 knots, becoming west 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop.

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

SATURDAY
East winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon.

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

SUNDAY
East winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 5 to 10 knots. Bay and inland waters light chop. A chance of showers and thunderstorms, mainly in the evening.

MONDAY
Southeast winds 5 to 10 knots. Bay and inland waters light chop. Showers likely with a chance of thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

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GMZ856-140815
Coastal waters from Bonita Beach to Englewood FL out 20 NM
325 PM EDT Wed May 13 2026

TONIGHT
Northwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. Bay and inland waters a moderate chop. A slight chance of showers after midnight.

THURSDAY
Northwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 5 seconds. Bay and inland waters a moderate chop. A slight chance of showers in the morning.

THURSDAY NIGHT
Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 3 feet at 4 seconds. Bay and inland waters a moderate chop.

FRIDAY
North winds 5 to 10 knots, becoming northwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: North 2 feet at 4 seconds, becoming northwest 1 foot at 4 seconds. Bay and inland waters light chop.

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

SATURDAY
East winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 4 seconds. Bay and inland waters light chop.

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

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

SUNDAY NIGHT
East winds 5 to 10 knots, increasing to 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 chance of showers and thunderstorms, mainly in the evening.

MONDAY
East 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.

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GMZ876-140815
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
325 PM EDT Wed May 13 2026

TONIGHT
Northwest winds around 10 knots. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. A slight chance of showers after midnight.

THURSDAY
North winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 5 seconds.

THURSDAY NIGHT
Northwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 4 seconds.

FRIDAY
North winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds.

FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 5 seconds.

SATURDAY
Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds.

SATURDAY NIGHT
South winds around 5 knots, becoming east after midnight. Seas 1 foot or less.

SUNDAY
Southeast winds 5 to 10 knots. Seas 1 foot or less.

SUNDAY NIGHT
East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight.

MONDAY
East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas around 2 feet. A slight chance of showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.

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GMZ853-140815
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
325 PM EDT Wed May 13 2026

TONIGHT
Northwest winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Northwest 1 foot at 3 seconds, becoming west 2 feet at 5 seconds. Bay and inland waters light chop. A slight chance of showers late.

THURSDAY
North winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: West 2 feet at 5 seconds. Bay and inland waters a moderate chop.

THURSDAY NIGHT
Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 4 seconds. Bay and inland waters a moderate chop.

FRIDAY
Northeast winds 5 to 10 knots, becoming northwest 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds. Bay and inland waters a moderate chop.

FRIDAY NIGHT
Northwest winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds. Bay and inland waters a moderate chop.

SATURDAY
Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 4 seconds. Bay and inland waters light chop.

SATURDAY NIGHT
Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop.

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

SUNDAY 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. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms in the evening.

MONDAY
East winds 10 to 15 knots, becoming southwest 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.

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GMZ873-140815
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
325 PM EDT Wed May 13 2026

TONIGHT
Northwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 3 seconds. A slight chance of showers late.

THURSDAY
North winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 4 seconds and southwest 1 foot at 5 seconds.

THURSDAY NIGHT
Northwest winds around 10 knots. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds.

FRIDAY
North winds 5 to 10 knots. Seas around 2 feet. Wave Detail: North 1 foot at 4 seconds.

FRIDAY NIGHT
North winds 5 to 10 knots, becoming northeast after midnight. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: North 1 foot at 4 seconds.

SATURDAY
Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and northwest 1 foot at 4 seconds.

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

SUNDAY
Southeast winds 5 to 10 knots. Seas 1 foot or less.

SUNDAY 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.

MONDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. A slight chance of showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.

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GMZ850-140815
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
325 PM EDT Wed May 13 2026

TONIGHT
Northwest winds around 10 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds and southwest 1 foot at 5 seconds. Bay and inland waters light chop.

THURSDAY
North winds 5 to 10 knots, becoming northwest 10 to 15 knots in the afternoon. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at 5 seconds, becoming west 1 foot at 4 seconds. Bay and inland waters a moderate chop.

THURSDAY NIGHT
Northwest winds 10 to 15 knots, becoming north after midnight. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters a moderate chop.

FRIDAY
Northeast winds 5 to 10 knots, becoming northwest 10 to 15 knots in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters a moderate chop.

FRIDAY NIGHT
Northwest winds 10 to 15 knots, becoming east after midnight. Seas 1 to 2 feet in the evening, then 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters a moderate chop.

SATURDAY
Southeast winds around 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 3 seconds. Bay and inland waters light chop.

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

SUNDAY
Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop.

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

MONDAY
East winds 5 to 10 knots, becoming northwest in the afternoon. Seas 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.

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GMZ870-140815
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
325 PM EDT Wed May 13 2026

TONIGHT
North winds 10 to 15 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds and southwest 1 foot at 5 seconds.

THURSDAY
Northwest winds around 10 knots. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds and southwest 1 foot at 5 seconds.

THURSDAY NIGHT
Northwest winds around 10 knots, becoming north after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Northwest 1 foot at 3 seconds, becoming north 1 foot at 4 seconds.

FRIDAY
Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: North 1 foot at 4 seconds.

FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 4 seconds.

SATURDAY
Southeast winds around 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at 3 seconds.

SATURDAY NIGHT
Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less.

SUNDAY
Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less.

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

MONDAY
East winds around 10 knots, becoming northeast in the afternoon. Seas around 2 feet.