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Johns Island, Chassahowitzka Bay Marine Forecast

Florida · 28.692°, -82.638° · National Weather Service

Now
Mostly Sunny
Wind
2 mph
from the S
Seas
Temp
78°F

Next 24 hours

7:00 AM
78°
2
12%
8:00 AM
79°
2
31%
9:00 AM
80°
2
30%
10:00 AM
83°
2
29%
11:00 AM
85°
3
29%
12:00 PM
86°
3
39%
1:00 PM
85°
5
47%
2:00 PM
86°
6
32%
3:00 PM
85°
7
31%
4:00 PM
86°
7
24%
5:00 PM
86°
7
18%
6:00 PM
86°
6
16%
7:00 PM
85°
5
18%
8:00 PM
83°
5
14%
9:00 PM
82°
3
11%
10:00 PM
82°
3
12%
11:00 PM
82°
3
9%
12:00 AM
81°
3
8%
1:00 AM
81°
2
6%
2:00 AM
81°
2
8%
3:00 AM
80°
2
9%
4:00 AM
80°
2
11%
5:00 AM
79°
2
11%
6:00 AM
79°
1
10%

7-Day Marine Outlook

Wind, temperature, and conditions for Johns Island, Chassahowitzka Bay.

Today
2 to 7 mph
87°
Tonight
2 to 6 mph
78°
Monday
1 to 7 mph
89°
Monday Night
5 mph
76°
Tuesday
5 to 14 mph
90°
Tuesday Night
17 mph
77°
Wednesday
17 to 23 mph
88°
Wednesday Night
12 to 23 mph
74°
Thursday
13 to 17 mph
89°
Thursday Night
8 to 15 mph
74°
Friday
8 mph
88°
Friday Night
6 mph
73°
Saturday
6 mph
87°
Saturday Night
5 mph
74°

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 WSW at 2 to 7 mph, with scattered showers and thunderstorms. 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.

Nearby marine forecasts

Bridge clearances near Johns Island, Chassahowitzka Bay

Vertical clearance and drawbridge opening schedules for the bridges closest to Johns Island, Chassahowitzka Bay. Check them against your air draft before you head out.

All US bridge clearances →
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