Coastal Waters Forecast for Florida

National Weather Service Miami FL

for Jupiter Inlet to Ocean Reef FL out to 60 nm and for East Cape Sable to Bonita Beach FL out to 60 nm.

Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to 60 nm and Gulf coastal waters from East Cape Sable to Chokoloskee out 20 nm and Chokoloskee to Bonita Beach out 60 nm.including the waters of Biscayne Bay and Lake Okeechobee. Seas are provided as a range of the average height of the highest 1/3 of the waves.along with the occasional height of the average highest 10 percent of the waves. Light winds at daybreak will gradually enhance out of a easterly direction across the Atlantic waters and a northwesterly direction across the Gulf waters by late this morning into the early afternoon hours. Showers and storms are forecast to develop across inland areas and push westward towards the Gulf waters during the mid to late afternoon hours. Locally elevated seas and winds are possible in and around any shower or thunderstorm activity. A frontal boundary will then approach and move into the region later today during the evening hours. This will result in a rapid onset of hazardous marine conditions across the local waters from north to south as the frontal boundary sweeps southward across South Florida's local waters. Winds will increase to 20 to 30 knots behind the frontal passage with wave heights building quickly in the Gulfstream. Wave heights of 2-4 feet in the Gulfstream waters today will build upwards of 10+ feet by daybreak on Sunday. While the highest wave heights will be present in the Atlantic waters, a period of hazardous marine conditions with winds above small craft criteria will be realized across most of South Florida's local waters. A continued period of hazardous marine conditions is possible across the Atlantic waters into the upcoming work week. Gulf Stream Hazards: Winds of 20 to 30 knots with higher gusts possible tonight into Sunday. Wave heights building to 9 to 14 feet by daybreak on Sunday. The approximate location of the west wall of the Gulf Stream as of Mar 28, 2026. 6 nautical miles south southeast of Fowey Rocks. 7 nautical miles east of Port Everglades. 9 nautical miles east of Lake Worth. 11 nautical miles east southeast of Jupiter Inlet. This data courtesy of the Naval Oceanographic Office.