NWS Marine Forecast


   GMZ800-221315-  Synopsis for the coastal waters from Bonita Beach to Suwannee River-  829 PM EDT Mon Sep 21 2026      .SYNOPSIS...  Light and variable winds prevailing through mid week from the  northeast to southeast around 5 to 10 knots, except onshore near  the coast during the afternoon hours. The main weather concern for  mariners will be scattered showers and thunderstorms, especially  during the overnight and early morning hours with locally gusty  winds and rough seas. As a cold front will approaches the area  late in the week, winds begin to increase across the waters.    $$
   GMZ856-221315-  Coastal waters from Bonita Beach to Englewood FL out 20 NM-  829 PM EDT Mon Sep 21 2026    OVERNIGHT  East winds 5 to 10 knots. Seas 1 foot or less. Wave  Detail: East 1 foot at 3 seconds. Bay and inland waters light  chop. Scattered showers and thunderstorms.  TUESDAY  South winds 5 to 10 knots. Seas 1 foot or less. Wave  Detail: Southeast 1 foot at 3 seconds. Bay and inland waters  light chop. Scattered showers and thunderstorms.  TUESDAY NIGHT  Southeast winds around 5 knots. Seas 1 foot or  less. Wave Detail: South 1 foot at 4 seconds. Bay and inland  waters smooth. Scattered showers and thunderstorms.  WEDNESDAY  South winds around 5 knots. Seas 1 foot or less.  Wave Detail: South 1 foot at 4 seconds. Bay and inland waters  smooth. Scattered thunderstorms. Scattered showers in the  morning, then numerous showers in the afternoon.  WEDNESDAY NIGHT  East winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters  light chop. Scattered showers and thunderstorms.  THURSDAY  East winds 5 to 10 knots, becoming northeast 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. Isolated showers and thunderstorms in the morning,  then scattered showers and thunderstorms in the afternoon.  THURSDAY NIGHT  Northeast winds 10 to 15 knots with gusts up to  20 knots. Seas 2 to 3 feet. Bay and inland waters a moderate  chop. Scattered showers and thunderstorms.  FRIDAY  Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Bay  and inland waters a moderate chop. Isolated showers and  thunderstorms in the morning, then scattered showers and  thunderstorms in the afternoon.  FRIDAY NIGHT  Northeast winds 15 to 20 knots. Seas 2 to 3 feet.  Bay and inland waters choppy. Scattered showers and  thunderstorms.  SATURDAY  Northeast winds 10 to 15 knots, diminishing to 5 to  10 knots in the afternoon. Seas 2 to 3 feet. Bay and inland  waters a moderate chop. Isolated showers and thunderstorms in the  morning, then scattered showers and thunderstorms in the  afternoon.    Winds and seas higher in and near thunderstorms.    $$