FZUS52 KTBW 181335 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 935 AM 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. GMZ800-190215- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 935 AM EDT Mon May 18 2026 .SYNOPSIS... High pressure will hold northeast of the waters through the week, supporting east and southeast winds, turning onshore near the coast each afternoon with the sea breeze. Winds will generally remain below headlines, but thunderstorms could shift offshore during the late afternoon and evening hours each day, leading to locally higher winds and seas. $$ GMZ830-190215- Tampa Bay waters- 935 AM EDT Mon May 18 2026 .REST OF TODAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots early this afternoon, then becoming northeast late. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms early this afternoon. A chance of showers with a slight chance of thunderstorms late. .TONIGHT...East winds 10 to 15 knots. Bay and inland waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the evening. .TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Bay and inland waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. A slight chance of thunderstorms. A chance of showers, mainly in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming north in the afternoon. Bay and inland waters light chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. .THURSDAY...East winds 5 to 10 knots, becoming west in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .FRIDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ836-190215- Charlotte Harbor and Pine Island Sound- 935 AM EDT Mon May 18 2026 .REST OF TODAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots this afternoon. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms early this afternoon. A chance of showers with a slight chance of thunderstorms late. .TONIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. .TUESDAY...East winds 5 to 10 knots. Bay and inland waters light chop. Showers likely with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. A slight chance of thunderstorms. Showers likely, mainly in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. 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. Bay and inland waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. .THURSDAY...East winds around 5 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A chance of showers with a slight chance of 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 with a slight chance of thunderstorms in the evening. .FRIDAY...East winds around 5 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. $$ GMZ856-190215- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 935 AM EDT Mon May 18 2026 .REST OF TODAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots early this afternoon, then becoming south late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A chance of showers with a slight chance of thunderstorms this afternoon. .TONIGHT...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. A chance of showers with a slight chance of thunderstorms in the evening. .TUESDAY...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. Bay and inland waters a moderate chop. Showers likely with a slight chance of 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 3 seconds, becoming southeast 1 foot at 4 seconds. Bay and inland waters a moderate chop. A slight chance of thunderstorms. Showers likely, mainly 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, becoming east 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: Northeast 1 foot at 2 seconds and southeast 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. .THURSDAY...East 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. .THURSDAY NIGHT...North 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. .FRIDAY...East winds around 5 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. $$ GMZ876-190215- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 935 AM EDT Mon May 18 2026 .REST OF TODAY...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to around 5 knots late. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers and thunderstorms late. .TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the 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: East 2 feet at 5 seconds. A chance of showers with a slight chance of 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: 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: East 2 feet at 4 seconds. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at 4 seconds, becoming east 1 foot at 3 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. .THURSDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .FRIDAY...Southeast winds around 5 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ853-190215- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 935 AM EDT Mon May 18 2026 .REST OF TODAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots early this afternoon, then becoming west late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms late. .TONIGHT...Northeast winds 10 to 15 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and north 1 foot at 2 seconds. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms in the 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 and north 1 foot at 2 seconds. Bay and inland waters a moderate chop. A chance of showers with a slight chance of 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: North 1 foot at 2 seconds and south 1 foot at 5 seconds, becoming north 1 foot at 2 seconds and southeast 1 foot at 4 seconds. Bay and inland waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming west 10 to 15 knots in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds, becoming northwest 1 foot at 2 seconds and east 1 foot at 4 seconds. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 10 to 15 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms in the evening. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. 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. A slight chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ873-190215- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 935 AM EDT Mon May 18 2026 .REST OF TODAY...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots early this afternoon, then becoming northeast late. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. .TONIGHT...Northeast winds 10 to 15 knots, becoming east with gusts up to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .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: East 2 feet at 5 seconds. A slight 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: 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 1 foot 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 4 seconds. .THURSDAY...East winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. .THURSDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .FRIDAY...Southeast winds around 5 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ850-190215- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 935 AM EDT Mon May 18 2026 .REST OF TODAY...East winds 5 to 10 knots, becoming northwest late. Seas around 2 feet late this morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. .TONIGHT...Northeast winds 10 to 15 knots, becoming east after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: North 1 foot at 2 seconds and south 1 foot at 4 seconds, becoming southeast 1 foot at 3 seconds. Bay and inland waters a moderate chop. .TUESDAY...East winds 10 to 15 knots, becoming north 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 and south 1 foot at 6 seconds. Bay and inland waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers with a slight chance of thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds and southeast 1 foot at 3 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 2 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. .THURSDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. 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. Winds and seas higher in and near thunderstorms. $$ GMZ870-190215- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 935 AM EDT Mon May 18 2026 .REST OF TODAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots early this afternoon, then becoming north late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .TONIGHT...North winds 10 to 15 knots, becoming east with gusts up to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TUESDAY...East winds 10 to 15 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 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 6 seconds. .WEDNESDAY...East winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: South 1 foot at 5 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 6 seconds. .THURSDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. .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. $$