NWS Marine Forecast


   GMZ800-190215-  Synopsis for the coastal waters from Bonita Beach to Suwannee River-  931 AM EDT Tue Aug 18 2026      .SYNOPSIS...  Benign conditions with onshore flow settings up across the waters  this week as high pressure ridge holds south of the waters.  Moisture increases with isolated to scattered showers and  thunderstorms expected each day, most likely during the late night  and morning hours.    $$
   GMZ853-190215-  Coastal waters from Englewood to Tarpon Springs FL out 20 NM-  931 AM EDT Tue Aug 18 2026    TODAY  West winds 10 to 15 knots. Seas around 2 feet. Wave  Detail: Northwest 2 feet at 4 seconds. Bay and inland waters a  moderate chop.  TONIGHT  West winds 10 to 15 knots. Seas around 2 feet. Wave  Detail: Northwest 2 feet at 4 seconds. Bay and inland waters a  moderate chop. Isolated showers and thunderstorms after midnight.  WEDNESDAY  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, mainly in  the morning.  WEDNESDAY NIGHT  Northwest winds 10 to 15 knots, diminishing to  5 to 10 knots after midnight. Seas around 2 feet. Wave Detail:  Northwest 2 feet at 5 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 5 to 10 knots. Seas around 2 feet.  Wave Detail: Northwest 2 feet at 5 seconds. Bay and inland waters  light chop. Scattered showers and thunderstorms.  THURSDAY NIGHT  West winds 5 to 10 knots. Seas around 2 feet in  the evening, then 1 foot or less. Wave Detail: West 1 foot at  5 seconds. Bay and inland waters light chop. Isolated showers and  thunderstorms in the evening, then scattered showers and  thunderstorms after midnight.  FRIDAY  Southwest winds 5 to 10 knots. Seas 1 foot or less. Bay  and inland waters light chop. Scattered showers and  thunderstorms.  FRIDAY NIGHT  Southwest winds 5 to 10 knots. Seas 1 foot or  less. Bay and inland waters light chop. Isolated showers and  thunderstorms in the evening, then scattered showers and  thunderstorms after midnight.  SATURDAY  Southwest winds 5 to 10 knots. Seas 1 foot or less,  then around 2 feet in the afternoon. Bay and inland waters light  chop. Scattered showers and thunderstorms.    Winds and seas higher in and near thunderstorms.    $$