FZUS52 KTBW 211342 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 942 AM EDT Tue Apr 21 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. GMZ800-220215- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 942 AM EDT Tue Apr 21 2026 .SYNOPSIS... Hazardous marine conditions continue through early Wednesday as winds remain at advisory levels across the central and southern waters, and cautionary levels across the northern waters. Winds expected to briefly decrease below advisory levels for a period this afternoon before increasing back to advisory levels this evening and tonight. Gradual improvement expected beginning on Wednesday afternoon as winds and seas begin to decrease. $$ GMZ830-220215- Tampa Bay waters- 942 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .TODAY...Northeast winds 15 to 20 knots. Bay and inland waters choppy. .TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Bay and inland waters choppy. .WEDNESDAY...East winds 5 to 10 knots. Bay and inland waters light chop. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Bay and inland waters a moderate chop. .THURSDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay and inland waters light chop. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. .SATURDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. $$ GMZ836-220215- Charlotte Harbor and Pine Island Sound- 942 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .TODAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Bay and inland waters choppy. .TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Bay and inland waters choppy. .WEDNESDAY...East winds around 10 knots. Bay and inland waters light chop. .WEDNESDAY NIGHT...East winds around 10 knots. Bay and inland waters light chop. .THURSDAY...East winds around 10 knots, becoming southeast in the afternoon. Bay and inland waters light chop. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters light chop. .FRIDAY...East winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. .FRIDAY NIGHT...Southwest 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. $$ GMZ856-220215- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 942 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .TODAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds. Bay and inland waters choppy. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 4 seconds and north 1 foot at 5 seconds. Bay and inland waters choppy. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots, becoming southeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. Bay and inland waters a moderate chop. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. .THURSDAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Bay and inland waters a moderate chop. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. .FRIDAY...East winds around 10 knots, becoming south in the afternoon. Seas around 2 feet. Bay and inland waters light chop. .FRIDAY NIGHT...South winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. .SATURDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. $$ GMZ876-220215- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 942 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .TODAY...Northeast winds 20 to 25 knots, becoming east 15 to 20 knots this afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 6 seconds and northeast 1 foot at 3 seconds. .TONIGHT...East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 5 seconds. .WEDNESDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .WEDNESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers after midnight. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers. .THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms after midnight. .FRIDAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas around 2 feet. A slight chance of showers in the morning. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ853-220215- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 942 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .TODAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds. Bay and inland waters choppy. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds and north 1 foot at 4 seconds. Bay and inland waters choppy. .WEDNESDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. Bay and inland waters a moderate chop. .WEDNESDAY NIGHT...North winds 10 to 15 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and northwest 1 foot at 3 seconds. Bay and inland waters a moderate chop. .THURSDAY...East winds around 10 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Bay and inland waters light chop. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and west 1 foot at 4 seconds. Bay and inland waters light chop. .FRIDAY...Southeast winds around 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Bay and inland waters light chop. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. .SATURDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. $$ GMZ873-220215- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 942 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .TODAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots with gusts up to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds and southeast 2 feet at 6 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .THURSDAY NIGHT...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. .FRIDAY NIGHT...West winds around 5 knots, becoming east after midnight. Seas around 2 feet. .SATURDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. $$ GMZ850-220215- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 942 AM EDT Tue Apr 21 2026 .TODAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. .TONIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: North 1 foot at 2 seconds and east 1 foot at 4 seconds. Bay and inland waters a moderate chop. .WEDNESDAY...East winds 5 to 10 knots, becoming northeast in the afternoon. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds, becoming east 1 foot at 2 seconds and southeast 1 foot at 5 seconds. Bay and inland waters light chop. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop. .THURSDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 2 seconds and southeast 1 foot at 6 seconds. Bay and inland waters light chop. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming southeast after midnight. Seas 1 foot or less. Bay and inland waters light chop. .SATURDAY...South winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. $$ GMZ870-220215- Watersfrom Tarpon Springs to Suwannee River FL out 20 to 60 NM- 942 AM EDT Tue Apr 21 2026 .TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots with gusts up to 20 knots late this morning and early afternoon, then becoming north late. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 4 seconds. .TONIGHT...Northeast winds 10 to 15 knots, becoming southeast after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots, becoming east 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .THURSDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. .FRIDAY...Southeast winds around 10 knots, becoming south in the afternoon. Seas around 2 feet. .FRIDAY NIGHT...West winds around 5 knots, becoming southeast after midnight. Seas 1 foot or less. .SATURDAY...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers in the afternoon. $$