FZUS52 KTBW 182034 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 434 PM EDT Mon May 18 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. GMZ800-190915- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 434 PM EDT Mon May 18 2026 .SYNOPSIS... Winds will be mainly out of the east for much of the week around 5 to 15 knots with winds shifting southeast on Friday. Our main concern to boaters will be afternoon and evening storms that push off of land and and into the Gulf. Some of these storms could cause frequent lightning and strong winds. $$ GMZ830-190915- Tampa Bay waters- 434 PM EDT Mon May 18 2026 .TONIGHT...Southeast winds around 10 knots, becoming east late this evening and overnight. Bay and inland waters a moderate chop. A chance of showers and thunderstorms early this evening, then a slight chance of showers and thunderstorms late this evening. .TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Bay and inland waters a moderate chop. Showers likely with a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Bay and inland waters a moderate chop. Showers likely with a chance of thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ836-190915- Charlotte Harbor and Pine Island Sound- 434 PM EDT Mon May 18 2026 .TONIGHT...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 early this evening, then a slight chance of showers and thunderstorms late this evening. .TUESDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay and inland waters a moderate chop. Showers likely with a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. Showers likely with a chance of thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay and inland waters light chop. Showers likely with a chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. A chance of thunderstorms in the evening. A slight chance of showers. .THURSDAY...East 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. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A chance of showers and thunderstorms in the evening. .FRIDAY...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. .FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A slight chance of thunderstorms. A chance of showers, mainly in the evening. .SATURDAY...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. Winds and waves higher in and near thunderstorms. $$ GMZ856-190915- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 434 PM EDT Mon May 18 2026 .TONIGHT...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and thunderstorms early this evening, then a slight chance of showers and thunderstorms late this evening. .TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and thunderstorms in the afternoon. .TUESDAY 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 4 seconds, becoming southeast 1 foot at 4 seconds. Bay and inland waters a moderate chop. Showers likely with a chance of thunderstorms in the evening. .WEDNESDAY...East winds around 10 knots, becoming south in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds around 5 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. .FRIDAY...East winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...South winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .SATURDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ876-190915- Waters from Bonita Beachto Englewood FL out 20 to 60 NM- 434 PM EDT Mon May 18 2026 .TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms this evening. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 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: East 1 foot at 4 seconds. .THURSDAY NIGHT...Northeast winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...East winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ853-190915- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 434 PM EDT Mon May 18 2026 .TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and thunderstorms early this evening, then a slight chance of showers and thunderstorms late this evening. .TUESDAY...East winds 10 to 15 knots, becoming north 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming northwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters light chop. A slight chance of thunderstorms in the evening. A slight chance of showers. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. 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 east after midnight. Seas 1 foot or less. Bay and inland waters light chop. .SATURDAY...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. Winds and seas higher in and near thunderstorms. $$ GMZ873-190915- Waters from Englewood to Tarpon SpringsFL out 20 to 60 NM- 434 PM EDT Mon May 18 2026 .TONIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms early this evening. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TUESDAY NIGHT...Northeast winds around 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and northeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at 5 seconds. .THURSDAY...East winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. .THURSDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ850-190915- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 434 PM EDT Mon May 18 2026 .TONIGHT...North winds 5 to 10 knots, becoming east 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas 1 foot or less, then 1 to 2 feet after midnight. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms early this evening. .TUESDAY...East winds 10 to 15 knots, becoming northwest 5 to 10 knots in the afternoon. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers and thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .THURSDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. 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 east after midnight. Seas 1 foot or less. Bay and inland waters light chop. .SATURDAY...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. Winds and seas higher in and near thunderstorms. $$ GMZ870-190915- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 434 PM EDT Mon May 18 2026 .TONIGHT...North winds 5 to 10 knots, becoming east 10 to 15 knots late this evening and overnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds and south 1 foot at 5 seconds. A slight chance of showers in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds and south 1 foot at 6 seconds. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and south 1 foot at 5 seconds. .THURSDAY...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 south 1 foot at 5 seconds. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. .FRIDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. .FRIDAY NIGHT...Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. $$