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Surf Forecasts:

Sea Island surf break

Sea Island surfForecast / Georgia / USA

information circle16 Day Weather and Surf, issued 7 am Friday 20 Mar 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Sea Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sea Island sea temperature is
16.0° C
 (Which is 3.6°C colder than average for this time of year)

Best Forecast Surf Conditions for Sea Island this week:

The surf forecast for Sea Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 21) at 5PM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.3m and 2s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Sea Island in the next 16 days are 1.6m 9s and forecast to arrive on Tuesday (Mar 24) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Mar 21) at 8AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sat 21st Mar)1.5ft (0.5m) 10s
Best Surf 5PM (Sat 21st Mar)1.5ft (0.5m) 10s
Most Powerful 5PM (Tue 24th Mar)5ft (1.6m) 9s

Table - best surf conditions forecast for Sea Island over the next 16 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 27°C on Sun afternoon, min 13°C on Fri morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon night. Warm (max 29°C on Mon afternoon, min 14°C on Tue morning). Winds decreasing (fresh winds from the NE on Tue morning, light winds from the SE by Wed night).

Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
E
1
E
0.6
E
0.5
E
0.5
E
0.4
E
0.4
E
0.3
E
0.3
E
0.2
E
0.2
E
0.8
NE
1.6
ENE
1.6
E
1.3
E
1
E
0.7
E
0.6
E
0.5
E
0.8
E
0.4
ESE
Period(s) (?)9999109999994898887777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)571626345492727151466153504122301245539266821
Wind
(km/h)
15
NE
10
E
10
SW
15
W
10
WSW
15
WSW
15
WSW
15
SSW
15
WSW
15
W
10
WSW
20
NE
35
NE
35
NE
20
ENE
15
E
10
E
5
SE
10
SE
15
SSE
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		crosscrosscrosscross-
on		cross-
on		cross-
on		onononcross-
on
High Tide
/ height (m)
9:59AM
2.13
10:16PM
2.34
10:43AM
2.07
11:02PM
2.34
11:32AM
1.98
11:54PM
2.29
12:28PM
1.88
12:53AM
2.21
1:31PM
1.80
1:58AM
2.13
2:39PM
1.75
3:07AM
2.06
3:49PM
1.76
4:17AM
2.04
Low Tide
/ height (m)
4:10PM
-0.26
4:41AM
-0.19
4:55PM
-0.24
5:30AM
-0.13
5:42PM
-0.18
6:22AM
-0.03
6:33PM
-0.09
7:19AM
0.09
7:31PM
0.02
8:24AM
0.18
8:37PM
0.10
9:34AM
0.22
9:49PM
0.12
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Sunrise7:28--7:28--7:26--7:24--7:24--7:22--7:22--
Sunset-7:36--7:37--7:37--7:37--7:38--7:38--7:39-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
light rain
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
-----------21--------
Temp. °C151715192625212727222928151518191919212221
Feels °C (?)1214121523231824252028279915171718222121
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sea Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Sea Island at:
surf-forecast.com

Information about the Sea Island Surf forecast

The above surf forecast table for Sea Island provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sea Island can be found by selecting the local surf guide option on the grey menu. Our Sea Island surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Sea Island) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Sea Island may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a vacation in Georgia? If you are looking for accommodation near Sea Island, camping, hotels and condos and appartments in Georgia, consider staying in Brunswick which is 13 km (8 miles) away. Other places in and around Georgia where you can find information about places to rent, and car hire include Fernandina Beach which is 56 km (35 miles) away, Hinesville, Waycross and Jacksonville Beach.

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