Surf Forecasts:
Main Beach surf forecast from 11 Aug 2026:
- Best quality surf: Sunday 16 Aug, 11AM (local time) - 2.5ft (0.8m), 8s period, SE swell with offshore winds.
- Most powerful swell: Sunday 16 Aug, 2PM (local time) - 3.5ft (1.0m), 8s period, SE swell with 122 kJ wave energy.
- Next surfable swell (1★+): Sunday 16 Aug, 11AM (local time) - 2.5ft (0.8m), 8s period with SE swell.
Best Forecast Surf Conditions for Main Beach this week:
The surf forecast for Main Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 16) at 11AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.6m and 6s. Another secondary swell of 0.4m and 8s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Main Beach in the next 16 days are 1.0m 8s and forecast to arrive on Sunday (Aug 16) 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 0.7m 4s period and expected on Saturday (Aug 15) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Sun 16th Aug) | 2.5ft (0.8m) 8s |
| Best Surf | 11AM (Sun 16th Aug) | 2.5ft (0.8m) 8s |
| Most Powerful | 2PM (Sun 16th Aug) | 3.5ft (1.0m) 8s |
Table - best surf conditions forecast for Main Beach over the next 16 days.
The Lowdown
Hey folks, Rusty here. Let’s be straight with you – the next couple of weeks are looking pretty flat and quiet around Main Beach. We’ve got a long stretch of poor surf conditions ahead, with only a couple of brief windows where things get interesting.
The water temperature is 82°, which is about average for this time of year, so nothing to worry about on that front.
For the first several days, from Monday 10 August right through to Saturday 15 August, it’s a real struggle. Swell heights are tiny, mostly between 1.0ft and 3ft, with short periods under 8 seconds, and the combined wave energy is weak (mostly under 30). Most days the wind is cross-onshore or onshore, making for choppy, messy conditions. There’s just nothing to get excited about here.
We get a small glimmer of hope on Sunday 16 August morning. The wind turns offshore from the WNW at 5 km/h, giving clean conditions. Swell is still small at 3ft from the SE with an 8-second period, but the combined energy bumps up to 128 (moderate). It’s surfable, but very ordinary. Monday 17 August morning is glassy with a 2ft ESE swell, and Tuesday 18 August morning has a light offshore again with 1ft ESE swell. Still, these are all rated as poor surf conditions with scores of 1/10.
The one standout – and I mean the only real standout – is Wednesday 19 August morning. We’ve got a 3ft swell from the ESE with a long 12-second period, and the combined energy jumps to 391 (strong). The wind is light from the NNW, creating a clean cross-offshore breeze. The guidance says this break is exposed to swell and the optimum direction is NE, so this ESE swell is a bit off-angle, but the quality of the energy and the clean conditions should still produce some fun waves. Expect good surf conditions. This is the best on offer for the whole 16-day forecast.
After that, it’s back to poor conditions from Thursday 20 August right through to Tuesday 25 August. Swell stays small, periods are short, and winds are mostly cross-onshore or onshore. A few mornings have glassy or offshore winds, like Sunday 23 August morning with a 0.7ft 13-second ESE swell and glassy conditions, but the swell is just too small to do anything with.
Bottom line: unless you’re desperate for a paddle, this is a very quiet period at Main Beach. The only day worth circling in your calendar is Wednesday 19 August morning – that’s your best bet for some clean, fun waves.
Rusty.
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Warm (max 35°C on Tue afternoon, min 26°C on Wed morning). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 18mm), heaviest on Fri night. Warm (max 35°C on Thu afternoon, min 24°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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) | SE 7 | ESE 7 | SE 6 | SE 4 | ESE 6 | SE 6 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | SSE 4 | SE 5 | SE 5 | SE 4 | ESE 8 | SE 8 | SE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 37 | 15 | 21 | 14 | 8 | 14 | 23 | 13 | 13 | 11 | 10 | 10 | 12 | 14 | 16 | 23 | 7 | 90 | 60 | 42 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | off | cross-on | cross-off | off | glassy | cross-off | off | cross | cross-off | off | cross | glassy | glassy | cross-on | cross-off | off | on | cross-off |
High Tide | 7:14PM2.11m | 7:35AM1.76m | 8:09PM2.15m | 8:32AM1.84m | 9:01PM2.15m | 9:26AM1.91m | 9:51PM2.12m | 10:18AM1.94m | 10:38PM2.05m | 11:07AM1.95m | 11:23PM1.95m | 11:54AM1.93m | 00:06AM1.84m | |||||||
Low Tide | 1:54AM0.04m | 2:00PM-0.13m | 2:47AM-0.04m | 2:56PM-0.15m | 3:36AM-0.08m | 3:49PM-0.13m | 4:22AM-0.09m | 4:40PM-0.07m | 5:06AM-0.07m | 5:30PM0.02m | 5:50AM-0.01m | 6:20PM0.13m | ||||||||
 |  |  |  | | |  | | | | | | | | | |  | | | | |
 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | 8:12 | — | — | 8:12 | — | — | 8:10 | — | — | 8:09 | — | — | 8:08 | — | — | 8:07 | — | — | 8:07 | — |
mm | 2 | 1 | — | — | 7 | — | — | 7 | — | — | 2 | — | — | 13 | — | — | 2 | 1 | 4 | 1 |
Temp °C | 32 | 29 | 31 | 35 | 28 | 31 | 35 | 29 | 30 | 35 | 30 | 31 | 34 | 29 | 28 | 31 | 29 | 29 | 31 | 29 |
Feels °C | 34 | 31 | 32 | 37 | 31 | 32 | 36 | 31 | 32 | 38 | 32 | 35 | 36 | 33 | 32 | 34 | 31 | 33 | 34 | 33 |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 7 | SE 6 | E 8 | SSE 4 | SE 6 | — | SE 4 | ESE 8 | ESE 8 | SSE 4 | SE 4 | ESE 7 | SE 5 | SE 5 | E 11 | SSE 5 | SE 6 | NE 5 | ESE 8 |
| kJ | 1 | 15 | 21 | 1 | 13 | 14 | — | 5 | 13 | 11 | 13 | 5 | 10 | 14 | 16 | 2 | 14 | 20 | 1 | 42 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 10 | SE 9 | ESE 9 | ESE 6 | ESE 8 | — | ESE 8 | SSE 4 | — | ESE 7 | ESE 7 | — | ESE 8 | E 12 | E 11 | ESE 8 | SE 8 | — | NE 6 |
| kJ | 1 | 2 | 3 | 8 | 8 | 7 | — | 13 | 2 | — | 5 | 10 | — | 6 | 3 | 2 | 7 | 16 | — | 9 |
Swell 3 Height (m) Direction Period (s) | — | E 9 | E 9 | E 8 | SE 8 | — | — | E 11 | — | E 8 | ESE 7 | — | — | E 12 | E 12 | — | E 11 | E 10 | E 10 | — |
| kJ | — | 2 | 1 | 1 | 3 | — | — | 2 | — | 1 | 10 | — | — | 3 | 3 | — | 2 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SSE 4 | — | SE 4 | — | W 3 | SE 8 | W 2 | WNW 2 | SSE 3 | — | WSW 3 | SSE 4 | SSW 4 | — | SE 4 | WSW 3 | SE 8 | SE 8 | — |
| kJ | 37 | 13 | — | 14 | — | 1 | 23 | 1 | 1 | 5 | — | 2 | 12 | 6 | — | 23 | 2 | 90 | 60 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 770 | 430 | 554 | 2063 | 781 | 554 | 2063 | 266 | 266 | 1978 | 560 | 627 | 2063 | 157 | 554 | 2063 | 45 | 41 | 367 | 40 |
Best forecast wave conditions in North Florida | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Main Beach Surf forecast
The above surf forecast table for Main Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Main Beach can be found by selecting the local surf guide option on the grey menu. Our Main Beach 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 (Main Beach) 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 Main Beach 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.
Main Beach is 3 km (2 miles) from Fernandina Beach. If you plan a vacation in North Florida, look for hotels and other accommodation in Fernandina Beach. Fernandina Beach has rooms for a wide range of budgets as well as car hire and transport links.
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