NWS Marine Forecast


   AMZ500-190815-  Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm  329 PM EDT Sat Apr 18 2026      .SYNOPSIS...Favorable boating conditions will continue this  weekend with high pressure over the local waters. Then, a cold  front arrives Sunday night into Monday, bringing gusty winds,  building seas, and a chance for rain. Hazardous boating conditions  are expected on Monday behind the front, with poor to hazardous  conditions lingering through mid week.    .GULF STREAM HAZARDS...None.    The approximate location of the west wall of the Gulf Stream based on  the Real Time Ocean Forecast System as of Saturday, April 18th, 2026.    43 nautical miles east of Ponce Inlet.  30 nautical miles east of Port Canaveral.  24 nautical miles east of Sebastian Inlet.  16 nautical miles east of Fort Pierce Inlet.  9 nautical miles east of Saint Lucie Inlet.    $$
   AMZ555-190815-  Sebastian Inlet to Jupiter Inlet 0-20 nm-  329 PM EDT Sat Apr 18 2026    TONIGHT  Southeast winds around 10 knots, becoming south after  midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 8 seconds  and northeast 1 foot at 12 seconds. Mostly smooth on the  intracoastal waters.  SUNDAY  Southwest winds around 5 knots, becoming east in the  afternoon. Seas 2 feet. Wave Detail: East 2 feet at 8 seconds and  northeast 1 foot at 12 seconds. A light chop on the intracoastal  waters.  SUNDAY NIGHT  Southeast winds 5 to 10 knots, becoming northeast  15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail:  Northeast 2 feet at 3 seconds and east 2 feet at 8 seconds.  Choppy on the intracoastal waters. A chance of showers and  thunderstorms after midnight.  MONDAY  Northeast winds 15 to 20 knots, increasing to 20 to  25 knots in the afternoon. Seas 3 to 5 feet, occasionally to  6 feet, building to 5 to 7 feet, occasionally to 9 feet in the  afternoon. Wave Detail: Northeast 5 feet at 8 seconds and  northeast 2 feet at 3 seconds, becoming north 7 feet at 8 seconds  and northeast 1 foot at 11 seconds in the afternoon. Rough on the  intracoastal waters. A chance of showers. A slight chance of  thunderstorms in the morning, then a chance of thunderstorms in  the afternoon.  MONDAY NIGHT  Northeast winds 20 to 25 knots. Seas 8 to  10 feet, occasionally to 13 feet. Wave Detail: Northeast 9 feet  at 9 seconds. Rough on the intracoastal waters.  TUESDAY  Northeast winds around 20 knots. Seas 6 to 8 feet,  occasionally to 10 feet. Wave Detail: Northeast 8 feet at  8 seconds. Choppy on the intracoastal waters.  TUESDAY NIGHT  East winds 15 to 20 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Choppy on the intracoastal waters.  WEDNESDAY  East winds 15 to 20 knots, diminishing to 10 to  15 knots in the afternoon. Seas 4 to 5 feet, occasionally to  6 feet. Choppy on the intracoastal waters.  WEDNESDAY NIGHT  East winds 10 to 15 knots. Seas 3 to 4 feet. A  light chop on the intracoastal waters.  THURSDAY  East winds 10 to 15 knots. Seas 3 to 4 feet. A  moderate chop on the intracoastal waters.  THURSDAY NIGHT  East winds 10 to 15 knots. Seas 2 to 3 feet. A  light chop on the intracoastal waters.    Winds and waves higher in and near thunderstorms.    $$