Surf Forecasts:
Fortress surf forecast from 8 Aug 2026:
- Best quality surf: Sunday 9 Aug, 2AM (local time) - 4.5ft (1.4m), 6s period, SW swell with cross-offshore winds.
- Most powerful swell: Sunday 9 Aug, 5AM (local time) - 4.5ft (1.4m), 6s period, SSW swell with 160 kJ wave energy.
- Next surfable swell (1★+): Sunday 9 Aug, 2AM (local time) - 4.5ft (1.4m), 6s period with SW swell.
Best Forecast Surf Conditions for Fortress this week:
The surf forecast for Fortress over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 09) at 2AM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 1.0m and 6s. Another secondary swell of 0.3m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Fortress in the next 16 days are 1.4m 6s and forecast to arrive on Sunday (Aug 09) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Wednesday (Aug 12) at 5PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 9th Aug) | 4.5ft (1.4m) 6s |
| Best Surf | 2AM (Sun 9th Aug) | 4.5ft (1.4m) 6s |
| Most Powerful | 5AM (Sun 9th Aug) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Fortress over the next 16 days.
The Lowdown
Alright, this is Rusty, and I’m looking at the forecast for Fortress.
Honestly, I gotta be straight with you—this sixteen-day run is a tough watch. The swell is tiny and weak, and the wind is all over the shop. There’s just nothing to get excited about for the first week and a half. You’ve got a long gap from today until around the 15th of August where the surf is barely a whisper, with heights mostly under 3ft and the combined energy barely cracking 100 (59-111). The wind is cross-off or cross at best, but the waves are just too small and gutless to ride.
There’s a tiny window on the morning of Monday the 12th of August. The wind is offshore from the WNW at 15 mph, keeping things clean, and the swell is 3ft from the SSW (6 seconds). The combined energy is only 57, so it’s weak. It’s surfable for a beginner on a longboard, but it’s not a standout.
The only real pulse in the whole forecast comes way down the line on Thursday the 20th of August. The swell jumps to 7ft from the ESE, with a period of 8 seconds. The combined energy hits 598, which is the only real punch of energy in the whole outlook. But here’s the catch – the wind is onshore and cross-onshore, and there’s a risk of thunderstorms. It’s going to be messy and lumpy. This is not a beginner wave; at 7ft with that chop, it’s only for experienced surfers who are happy to wrestle a bit. It’s the best of a bad bunch, but "best" is a relative term here.
The rest of the period after that is just back to tiny, weak slop, with the wind swinging around again. It’s a pretty bleak run for Fortress.
Rusty
Short Range ForecastMostly dry. Warm (max 30°C on Sun afternoon, min 23°C on Mon morning). Winds decreasing (fresh winds from the SSW on Sat afternoon, calm by Mon morning). | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Tue night. Warm (max 26°C on Tue afternoon, min 21°C on Thu morning). Winds decreasing (fresh winds from the WSW on Tue night, calm by Thu morning). | ||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||
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) | SSW 6 | SE 8 | SW 6 | S 7 | SSW 7 | S 6 | S 6 | S 6 | S 6 | S 6 | SSW 6 | SSW 5 | SSW 6 | SSW 6 | S 6 | S 6 | S 7 | S 4 | S 5 | S 6 | S 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 33 | 17 | 157 | 86 | 73 | 36 | 24 | 15 | 15 | 24 | 34 | 29 | 50 | 49 | 24 | 16 | 56 | 21 | 50 | 36 | 56 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-off | off | cross | cross-off | off | off | cross-off | glassy | cross | cross | cross-off | cross-off | off |
High Tide | 4:31PM0.93m | 5:09AM0.69m | 5:47PM0.98m | 6:20AM0.77m | 6:49PM1.02m | 7:18AM0.85m | 7:42PM1.05m | 8:09AM0.92m | 8:30PM1.05m | 8:57AM0.98m | 9:15PM1.02m | 9:42AM1.00m | 9:57PM0.97m | ||||||||
Low Tide | 9:33AM0.09m | 11:19PM0.09m | 10:45AM0.05m | 00:15AM0.02m | 11:51AM0.01m | 1:04AM-0.03m | 12:50PM-0.04m | 1:49AM-0.08m | 1:44PM-0.07m | 2:30AM-0.10m | 2:34PM-0.08m | 3:10AM-0.09m | 3:22PM-0.05m | 3:46AM-0.07m | |||||||
 |  |  | | | | | |  | | |  | | | | | |  |  | | | |
 | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — |
 | — | 7:55 | — | — | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | — | — | 2 | 6 | — | — |
Temp °C | 26 | 27 | 27 | 27 | 30 | 27 | 23 | 26 | 27 | 25 | 26 | 25 | 23 | 26 | 26 | 22 | 24 | 24 | 24 | 28 | 26 |
Feels °C | 27 | 25 | 27 | 28 | 27 | 26 | 22 | 25 | 27 | 27 | 26 | 24 | 20 | 27 | 28 | 23 | 21 | 22 | 20 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SE 8 | SSW 6 | S 7 | SE 8 | S 6 | S 6 | S 6 | S 6 | S 6 | SE 9 | SE 9 | SSW 6 | SSW 6 | S 6 | S 6 | SE 8 | SE 8 | S 5 | S 6 | S 7 |
| kJ | 33 | 17 | 80 | 86 | 2 | 36 | 24 | 15 | 15 | 24 | 3 | 3 | 50 | 49 | 24 | 16 | 3 | 11 | 50 | 36 | 56 |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 9 | SE 8 | — | — | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | — | — | SE 8 | SE 8 | SE 8 | ENE 4 | E 10 | SE 13 | ESE 9 | ESE 9 | SE 9 |
| kJ | 25 | 2 | 10 | — | — | 4 | 4 | 4 | 4 | 3 | — | — | 3 | 3 | 3 | 1 | 2 | 7 | 8 | 8 | 3 |
Swell 3 Height (m) Direction Period (s) | E 8 | — | E 9 | E 8 | — | E 9 | E 8 | E 8 | E 8 | — | — | — | E 15 | SE 14 | SE 11 | SE 8 | SE 13 | E 7 | SE 13 | SE 13 | — |
| kJ | 1 | — | 1 | 1 | — | 1 | 1 | 1 | 1 | — | — | — | 4 | 8 | 5 | 3 | 7 | 1 | 7 | 7 | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 5 | SW 6 | — | SSW 7 | — | — | — | — | — | SSW 6 | SSW 5 | SW 6 | SW 6 | NE 4 | — | S 7 | S 4 | — | — | NW 3 |
| kJ | 47 | 49 | 157 | — | 73 | — | — | — | — | — | 34 | 29 | 80 | 96 | 4 | — | 56 | 21 | — | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 185 | 0 | 10 | 185 | 2 | 810 | 676 | 273 | 15 | 2521 | 724 | 47 | 0 | 15 | 675 | 2546 | 668 | 877 | 3371 | 15 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Fortress 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 Fortress Surf forecast
The above surf forecast table for Fortress provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Fortress can be found by selecting the local surf guide option on the grey menu. Our Fortress 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 (Fortress) 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 Fortress 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.
Fortress is 39 km (24 miles) from New London. If you plan a vacation in Long Island New York, look for hotels and other accommodation in New London. New London has rooms for a wide range of budgets as well as car hire and transport links.
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