Johns Island, Chassahowitzka Bay Marine Forecast
Florida · 28.692°, -82.638° · National Weather Service
Next 24 hours
7-Day Marine Outlook
Wind, temperature, and conditions for Johns Island, Chassahowitzka Bay.
About the marine forecast for Johns Island, Chassahowitzka Bay
This is the National Weather Service forecast for Johns Island, Chassahowitzka Bay (Florida), covering wind, wave height, temperature, and conditions over the coming week. Wind and seas are what make or break a day on the water, so start there. Remember that gusts, not the average, are what knock you around, and that wind blowing against the tide stacks the seas up steeper than the numbers suggest. Wave height here is the significant wave height, so some individual waves come through taller.
Planning a trip out of Johns Island, Chassahowitzka Bay? Pair this with the Johns Island, Chassahowitzka Bay tide chart so you've got the water and the weather in one look.
Frequently asked
What is the wind forecast for Johns Island, Chassahowitzka Bay today?+
Today at Johns Island, Chassahowitzka Bay, expect wind from the SSW at 13 mph, with sunny. See the hourly breakdown above for how it changes through the day.
Where does this Johns Island, Chassahowitzka Bay marine forecast come from?+
It's the official National Weather Service point forecast for Johns Island, Chassahowitzka Bay's coordinates, covering wind, temperature, and conditions for the next 7 days. It's the same data marine forecasts are built on.
Is it a good day to go boating at Johns Island, Chassahowitzka Bay?+
Check the wind first — it's what makes or breaks a day on the water — then the conditions and any advisories. Match the forecast to your boat and experience, tell someone your plan, and always leave yourself a way back.
See the wind on your chart
Pathr paints live wind, waves, and radar right on the Johns Island, Chassahowitzka Bay chart, and routes you around the shallows. Free to try for two months on iOS.