NWS Marine Forecast


   GMZ850-190615-  Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-  139 PM EDT Sat Oct 18 2025    THIS AFTERNOON  Southeast winds around 5 knots. Seas 1 foot or  less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland  waters smooth.  TONIGHT  East winds 5 to 10 knots, becoming southeast 10 to  15 knots after midnight. Seas 1 foot or less, then around 2 feet  after midnight. Wave Detail: Southeast 1 foot at 3 seconds,  becoming southeast 2 feet at 4 seconds. Bay and inland waters a  moderate chop.  SUNDAY  South winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: South 2 feet at 4 seconds. Bay and inland waters a  moderate chop. A chance of showers with a slight chance of  thunderstorms in the afternoon.  SUNDAY NIGHT  Southwest winds 5 to 10 knots, becoming northwest  10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:  Southwest 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, then a slight chance of showers after midnight.  MONDAY  Northeast winds 10 to 15 knots, diminishing to 5 to  10 knots in the afternoon. Seas around 2 feet. Wave Detail: North  1 foot at 3 seconds and south 1 foot at 4 seconds. Bay and inland  waters a moderate chop.  MONDAY NIGHT  Northeast winds 5 to 10 knots, becoming east  after midnight. Seas around 2 feet in the evening, then 1 foot or  less. Wave Detail: North 1 foot at 3 seconds and south 1 foot at  4 seconds, becoming east 1 foot at 2 seconds and south 1 foot at  4 seconds. Bay and inland waters light chop.  TUESDAY  East winds 5 to 10 knots, becoming north in the  afternoon. Seas 1 foot or less. Bay and inland waters light chop.  TUESDAY NIGHT  Northwest winds 5 to 10 knots. Seas 1 foot or  less. Bay and inland waters light chop.  WEDNESDAY  North winds 5 to 10 knots, increasing to 10 to  15 knots in the afternoon. Seas 1 foot or less, then around  2 feet in the afternoon. Bay and inland waters a moderate chop.    Winds and seas higher in and near thunderstorms.    $$