National Weather Service Marine Forecast FZUS52 KTBW

FZUS52 KTBW 140044
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
844 PM EDT Mon Jul 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.

GMZ800-141315
Synopsis for the coastal waters from Bonita Beach to Suwannee River
844 PM EDT Mon Jul 13 2026

SYNOPSIS

Light winds and seas prevail over the next few days, with low rain chances for coastal waters from Tampa Bay southward. Outside of elevated winds and seas in and around thunderstorms, there no other signficant marine concerns this week.

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GMZ830-141315
Tampa Bay waters
844 PM EDT Mon Jul 13 2026

OVERNIGHT
Northwest winds 5 to 10 knots, becoming south. Bay and inland waters light chop. Isolated showers and thunderstorms.

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

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

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

WEDNESDAY NIGHT
Northwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters a moderate chop.

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

THURSDAY NIGHT
West winds 10 to 15 knots, becoming northwest 5 to 10 knots after midnight. Bay and inland waters a moderate chop. Isolated showers and thunderstorms after midnight.

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

FRIDAY NIGHT
West winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight.

SATURDAY
West winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters a moderate chop. Scattered showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

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GMZ836-141315
Charlotte Harbor and Pine Island Sound
844 PM EDT Mon Jul 13 2026

OVERNIGHT
Northwest winds around 10 knots, becoming north late this evening, then becoming east. Bay and inland waters light chop. Isolated showers and thunderstorms early this evening.

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

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

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

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

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

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

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

FRIDAY NIGHT
Northwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters a moderate chop. Isolated showers and thunderstorms.

SATURDAY
West 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.

Winds and waves higher in and near thunderstorms.

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GMZ856-141315
Coastal waters from Bonita Beach to Englewood FL out 20 NM
844 PM EDT Mon Jul 13 2026

OVERNIGHT
Northwest winds 5 to 10 knots, becoming north late this evening, then becoming southeast. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms early this evening.

TUESDAY
Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds and northwest 1 foot at 7 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the morning.

TUESDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast after midnight. Seas around 2 feet. Wave Detail: Northwest 2 feet at 7 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop.

WEDNESDAY
East winds 5 to 10 knots, becoming west in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop.

WEDNESDAY NIGHT
Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop.

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

THURSDAY NIGHT
Northwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas around 2 feet in the evening, then 1 foot or less. Bay and inland waters a moderate chop.

FRIDAY
Northwest winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon.

FRIDAY NIGHT
Northwest winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms.

SATURDAY
West winds 5 to 10 knots. Seas 1 foot or less. Bay and inland waters light chop. Isolated showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ876-141315
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
844 PM EDT Mon Jul 13 2026

OVERNIGHT
Northwest winds around 5 knots, becoming east. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. Isolated showers and thunderstorms early this evening. Isolated showers and thunderstorms late.

TUESDAY
South winds around 5 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: Southeast 1 foot at 4 seconds, becoming south 1 foot at 4 seconds and northwest 1 foot at 4 seconds.

TUESDAY NIGHT
Northwest winds around 5 knots, becoming northeast after midnight. Seas around 2 feet. Wave Detail: Northwest 2 feet at 7 seconds and south 1 foot at 5 seconds.

WEDNESDAY
Northeast winds around 5 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 4 seconds.

WEDNESDAY NIGHT
North winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 4 seconds, becoming southeast 1 foot at 4 seconds and northwest 1 foot at 5 seconds.

THURSDAY
North winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds and northwest 1 foot at 5 seconds.

THURSDAY NIGHT
Northwest winds 5 to 10 knots. Seas 1 foot or less.

FRIDAY
North winds around 5 knots. Seas 1 foot or less. Isolated showers and thunderstorms in the morning.

FRIDAY NIGHT
Northwest winds 5 to 10 knots. Seas 1 foot or less. Isolated showers and thunderstorms.

SATURDAY
West winds around 5 knots. Seas 1 foot or less. Isolated showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ853-141315
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
844 PM EDT Mon Jul 13 2026

OVERNIGHT
Northwest winds 5 to 10 knots, becoming southeast late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop.

TUESDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms in the afternoon.

TUESDAY NIGHT
West winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave Detail: Northwest 2 feet at 7 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop.

WEDNESDAY
Northeast winds around 5 knots, becoming west in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop.

WEDNESDAY NIGHT
Northwest winds around 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 5 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop.

THURSDAY
Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 5 seconds and east 1 foot at 4 seconds. Bay and inland waters light chop.

THURSDAY NIGHT
Northwest winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Scattered showers and thunderstorms after midnight.

FRIDAY
Northwest winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 2 feet. Bay and inland waters a moderate chop. Scattered showers and thunderstorms.

FRIDAY NIGHT
West winds 10 to 15 knots, becoming northwest 5 to 10 knots after midnight. Seas around 2 feet. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight.

SATURDAY
West winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 2 feet. Bay and inland waters a moderate chop. Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ873-141315
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
844 PM EDT Mon Jul 13 2026

OVERNIGHT
West winds 5 to 10 knots, becoming south late. Seas 1 foot or less, then around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds, becoming northwest 1 foot at 4 seconds and south 1 foot at 5 seconds.

TUESDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 4 seconds. Isolated showers and thunderstorms in the afternoon.

TUESDAY NIGHT
West winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 5 seconds.

WEDNESDAY
Southeast winds around 5 knots, becoming northwest in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet at 6 seconds and south 1 foot at 5 seconds.

WEDNESDAY NIGHT
Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 5 seconds and south 1 foot at 4 seconds.

THURSDAY
Northwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds and northwest 1 foot at 5 seconds, becoming east 1 foot at 4 seconds and northwest 1 foot at 4 seconds.

THURSDAY NIGHT
Northwest winds 5 to 10 knots. Seas around 2 feet. Scattered showers and thunderstorms after midnight.

FRIDAY
Northwest winds 5 to 10 knots. Seas around 2 feet. Scattered showers and thunderstorms, mainly in the morning.

FRIDAY NIGHT
Northwest winds 5 to 10 knots. Seas around 2 feet. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight.

SATURDAY
West winds 5 to 10 knots. Seas around 2 feet. Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

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GMZ850-141315
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
844 PM EDT Mon Jul 13 2026

OVERNIGHT
West winds 10 to 15 knots with gusts up to 20 knots, becoming southwest 5 to 10 knots late. Seas around 2 feet. Wave Detail: Southwest 2 feet at 5 seconds. Bay and inland waters a moderate chop. Isolated showers and thunderstorms.

TUESDAY
West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 5 seconds. Bay and inland waters a moderate chop. Scattered showers and thunderstorms.

TUESDAY NIGHT
West 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, mainly in the evening.

WEDNESDAY
West winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: Southwest 2 feet at 5 seconds. Bay and inland waters a moderate chop. Isolated showers and thunderstorms.

WEDNESDAY NIGHT
West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. Bay and inland waters a moderate chop. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight.

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

THURSDAY NIGHT
West winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Scattered showers and thunderstorms.

FRIDAY
Northwest winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Scattered showers and thunderstorms.

FRIDAY NIGHT
West winds 10 to 15 knots. Seas around 2 feet. Bay and inland waters a moderate chop. Scattered showers and thunderstorms.

SATURDAY
West winds 10 to 15 knots. Seas around 2 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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GMZ870-141315
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
844 PM EDT Mon Jul 13 2026

OVERNIGHT
West winds 10 to 15 knots with gusts up to 20 knots, becoming southwest 5 to 10 knots late. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 5 seconds. Isolated showers and thunderstorms.

TUESDAY
West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: West 3 feet at 6 seconds and south 1 foot at 4 seconds. Scattered showers and thunderstorms.

TUESDAY NIGHT
West winds around 10 knots. Seas around 2 feet. Wave Detail: West 2 feet at 6 seconds and south 1 foot at 4 seconds. Scattered showers and thunderstorms, mainly in the evening.

WEDNESDAY
West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 2 feet at 6 seconds and south 1 foot at 5 seconds. Isolated showers and thunderstorms in the morning.

WEDNESDAY NIGHT
West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: West 2 feet at 5 seconds and south 1 foot at 5 seconds. Isolated showers and thunderstorms after midnight.

THURSDAY
Northwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 4 seconds and south 1 foot at 5 seconds. Isolated showers and thunderstorms.

THURSDAY NIGHT
West winds 10 to 15 knots. Seas around 2 feet. Scattered showers and thunderstorms.

FRIDAY
Northwest winds 10 to 15 knots. Seas around 2 feet. Scattered showers and thunderstorms.

FRIDAY NIGHT
West winds 10 to 15 knots. Seas around 2 feet. Scattered showers and thunderstorms.

SATURDAY
West winds 10 to 15 knots. Seas around 2 feet. Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.