Surf Forecasts:
Sea Island surf forecast from 18 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 8AM (local time) - 1ft (0.3m), 11s period, ESE swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 2PM (local time) - 1.5ft (0.4m), 12s period, SE swell with 49 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 8AM (local time) - 1ft (0.3m), 11s period with ESE swell.
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 Tuesday (Aug 25) at 8AM. The primary swell is predicted to be 0.3m and 11s period with a secondary swell of 0.4m and 5s. Another secondary swell of 0.2m and 11s is also forecast. Another secondary swell of 0.5m and 4s is also forecast. 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 0.4m 12s and forecast to arrive on Monday (Aug 24) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 2s period and expected on Sunday (Aug 23) at 2AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 25th Aug) | 1ft (0.3m) 11s |
| Best Surf | 8AM (Tue 25th Aug) | 1ft (0.3m) 11s |
| Most Powerful | 2PM (Mon 24th Aug) | 1.5ft (0.4m) 12s |
Table - best surf conditions forecast for Sea Island over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Warm (max 36°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 33mm), heaviest during Fri night. Warm (max 34°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ESE 8 | ESE 11 | ESE 10 | ESE 10 | ESE 9 | S 4 | ESE 9 | ESE 8 | S 4 | ESE 8 | SSE 4 | SSE 4 | S 5 | E 9 | SE 5 | SSE 5 | ESE 12 | SE 5 | SE 12 | ESE 12 | SSE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 23 | 20 | 18 | 47 | 15 | 7 | 24 | 12 | 7 | 11 | 7 | 12 | 7 | 13 | 9 | 15 | 6 | 6 | 27 | 22 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross-off | on | cross | glassy | on | cross | cross | cross | glassy | cross | on | glassy | cross | on | cross | cross | on | cross |
High Tide | 1:40PM2.10m | 1:46AM1.90m | 2:29PM2.06m | 2:35AM1.83m | 3:18PM2.04m | 3:26AM1.78m | 4:08PM2.03m | 4:18AM1.76m | 5:01PM2.05m | 5:11AM1.78m | 5:53PM2.08m | 6:04AM1.82m | 6:43PM2.13m | ||||||||
Low Tide | 7:39PM0.36m | 7:39AM0.27m | 8:33PM0.45m | 8:27AM0.34m | 9:29PM0.51m | 9:20AM0.39m | 10:26PM0.52m | 10:15AM0.40m | 11:19PM0.49m | 11:10AM0.37m | 00:08AM0.44m | 12:01PM0.32m | 00:54AM0.37m | ||||||||
 | |  |  | |  |  | |  | |  |  | | | | | | | | | | |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — |
 | — | 8:05 | — | — | 8:04 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — |
mm | — | — | 1 | 1 | — | 2 | — | — | — | — | 7 | 19 | — | — | 6 | — | — | 1 | 1 | — | 5 |
Temp °C | 32 | 36 | 34 | 31 | 34 | 32 | 31 | 33 | 28 | 31 | 34 | 25 | 29 | 32 | 30 | 27 | 31 | 29 | 29 | 31 | 27 |
Feels °C | 34 | 38 | 35 | 33 | 36 | 34 | 34 | 35 | 29 | 34 | 35 | 25 | 32 | 34 | 32 | 29 | 33 | 29 | 32 | 32 | 28 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 11 | SSE 4 | ESE 10 | ESE 9 | SSE 4 | ESE 9 | ESE 8 | ESE 8 | SSE 4 | ESE 8 | SSE 4 | SSE 5 | E 9 | SE 5 | SSE 5 | E 8 | SE 5 | SE 12 | ESE 12 | SSE 4 |
| kJ | 6 | 23 | 2 | 18 | 47 | 4 | 7 | 24 | 7 | 2 | 7 | 5 | 2 | 6 | 13 | 9 | 1 | 6 | 6 | 27 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | ESE 10 | SSE 4 | NE 5 | ESE 9 | SSE 4 | — | — | ESE 8 | E 15 | ESE 8 | ESE 9 | E 13 | E 9 | E 8 | E 12 | E 8 | SE 6 | — | SE 9 |
| kJ | — | — | 20 | 1 | 1 | 8 | 1 | — | — | 7 | 4 | 7 | 8 | 4 | 1 | 5 | 3 | 1 | 1 | — | 3 |
Swell 3 Height (m) Direction Period (s) | E 12 | — | E 6 | E 6 | — | E 5 | — | — | — | E 15 | E 7 | E 14 | E 14 | — | E 13 | E 13 | ESE 12 | E 12 | E 8 | — | E 11 |
| kJ | 3 | — | 1 | 1 | — | 1 | — | — | — | 5 | 1 | 4 | 4 | — | 3 | 3 | 15 | 3 | 1 | — | 2 |
Wind waves Height (m) Direction Period (s) | — | S 2 | WSW 3 | — | SE 9 | S 4 | — | SE 4 | S 4 | S 4 | SSE 4 | WSW 3 | S 5 | SSE 4 | SW 2 | WSW 3 | SSE 5 | SW 3 | SSE 4 | SE 4 | SSE 5 |
| kJ | — | 1 | 1 | — | 30 | 15 | — | 10 | 12 | 6 | 11 | 1 | 12 | 7 | 2 | 1 | 10 | 2 | 4 | 10 | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 96 | 96 | 83 | 96 | 507 | 803 | 1322 | 1644 | 704 | 582 | 2119 | 381 | 431 | 152 | 101 | 102 | 509 | 341 | 454 | 987 | 98 |
Best forecast wave conditions in Georgia | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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.
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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