Surf Forecasts:
Fortress surf forecast from 14 Jul 2026:
- Best quality surf: Sunday 19 Jul, 8PM (local time) - 8ft (2.5m), 8s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 19 Jul, 8PM (local time) - 8ft (2.5m), 8s period, SSW swell with 731 kJ wave energy.
- Next surfable swell (1★+): Wednesday 15 Jul, 8AM (local time) - 3.5ft (1.0m), 7s period with SSW 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 Wednesday (Jul 15) at 8AM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.2m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Fortress in the next 16 days are 2.5m 8s and forecast to arrive on Sunday (Jul 19) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Tuesday (Jul 14) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Wed 15th Jul) | 3.5ft (1.0m) 7s |
| Best Surf | 8PM (Sun 19th Jul) | 8ft (2.5m) 8s |
| Most Powerful | 8PM (Sun 19th Jul) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Fortress over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s heading our way.
Honestly, the next week and a half looks pretty slow for us. The first recommendation doesn’t pop up until Wednesday the 15th, and even then, it’s only a 3ft swell from the SSW with a short period of 6 seconds. The waves will be small and a bit weak, with the combined energy only hitting 90 (moderate wave energy). That said, the wind on Wednesday afternoon goes offshore from the WNW at 9 mph, so the faces will be clean. It’s surfable, but don’t expect anything special.
Thursday the 16th through Saturday the 26th is a long stretch of poor conditions. There are a few moments that flirt with being okay, but nothing that would get me out of bed. The combined energy stays mostly in the double digits, which means weak surf.
The real standout arrives on Sunday the 20th of July. That Monday morning at Fortress (a reef break) we’ve got a solid 4ft swell from the S, with a period of 9 seconds and a combined energy of 230 (moderate wave energy). The wind is offshore from the WNW at 9 mph, giving us gentle offshore and clean conditions. This is the best window on offer: decent size, clean lines, and the reef will hold the swell nicely. It won’t be too big for most surfers, and the offshore breeze will keep the faces smooth. Could be a fun morning session.
Water temperature is about average for this time of year, so no drama there.
After that, the rest of the period through to the 29th of July drops off again. There’s a bit more size on the 23rd and 24th, with swells up to 6ft from the ESE and S, but the winds are mostly cross-onshore or messy, making those days a write-off for clean surfing. Too much chop and wind bump to enjoy.
The final few days, the 25th through the 28th, have some waist to chest high swell but the winds stay cross or cross-off, and conditions are marginal at best. Not worth chasing.
So in short, if you’ve got a window, make Monday the 20th your target. The rest of the run is a whole lot of nothing.
Rusty.
Short Range ForecastMostly dry. Warm (max 31°C on Wed afternoon, min 22°C on Mon night). Winds decreasing (strong winds from the SW on Tue night, light winds from the WNW by Thu morning). | Days 5-7 Weather SummaryHeavy rain (total 20mm), heaviest during Sat night. Warm (max 29°C on Thu night, min 20°C on Sat afternoon). Winds increasing (calm on Fri night, near gales from the WSW by Sat night). | ||||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | S 6 | SSW 6 | SSW 6 | S 6 | S 5 | S 6 | SSW 6 | S 4 | S 6 | SSW 6 | SSW 7 | S 9 | S 9 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 13 | 13 | 13 | 251 | 60 | 77 | 28 | 28 | 20 | 34 | 15 | 14 | 17 | 10 | 9 | 139 | 188 | 316 | 328 | 230 | 235 |
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 | off | cross-off | off | cross-off | off | cross-off | cross | cross-off | cross-off | cross-on | cross-off | cross-off | off | cross-off | off | cross-off |
High Tide | 8:24AM0.86m | 8:45PM1.09m | 9:16AM0.91m | 9:35PM1.07m | 10:07AM0.94m | 10:23PM1.02m | 10:56AM0.95m | 11:08PM0.94m | 11:45AM0.94m | 11:52PM0.85m | 12:33PM0.91m | 00:35AM0.76m | 1:24PM0.88m | ||||||||
Low Tide | 2:08AM-0.10m | 1:52PM-0.09m | 2:55AM-0.12m | 2:46PM-0.09m | 3:40AM-0.12m | 3:39PM-0.06m | 4:23AM-0.09m | 4:31PM-0.02m | 5:04AM-0.05m | 5:25PM0.05m | 5:44AM0.01m | 6:20PM0.11m | 6:23AM0.07m | 7:21PM0.17m | |||||||
 | | |  | |  |  | | | | | | | |  |  | | | | | | |
 | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — |
 | 8:20 | — | 8:19 | — | — | 8:17 | — | — | 8:17 | — | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — | — | 8:15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 15 | — | — | — | — | — |
Temp °C | 22 | 24 | 25 | 25 | 28 | 31 | 30 | 27 | 28 | 29 | 24 | 26 | 26 | 24 | 21 | 24 | 25 | 26 | 25 | 21 | 24 |
Feels °C | 18 | 21 | 20 | 23 | 28 | 30 | 29 | 26 | 25 | 26 | 24 | 24 | 23 | 22 | 20 | 19 | 23 | 21 | 22 | 19 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SSW 6 | ESE 9 | SSW 6 | S 6 | SSW 6 | SSW 6 | S 6 | E 4 | S 6 | SSW 6 | SE 8 | SE 13 | SE 13 | SE 13 | S 9 | S 9 | S 9 |
| kJ | 13 | 13 | 13 | 13 | 60 | 8 | 28 | 28 | 20 | 34 | 15 | 1 | 17 | 10 | 3 | 7 | 7 | 6 | 328 | 230 | 235 |
Swell 2 Height (m) Direction Period (s) | E 8 | — | E 7 | — | ESE 9 | S 17 | SE 9 | SE 8 | SE 9 | SE 9 | E 3 | SE 8 | SE 8 | SE 8 | SE 13 | E 8 | SE 13 | — | SE 12 | — | — |
| kJ | 1 | — | 1 | — | 8 | 5 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 7 | 1 | 7 | — | 6 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 17 | SE 15 | SE 15 | SE 15 | SE 9 | SE 14 | SE 14 | SE 14 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 5 | 9 | 9 | 9 | 3 | 8 | 8 | 7 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | SW 5 | SSW 6 | SSW 7 | W 3 | SSW 6 | NNW 3 | WSW 2 | W 3 | WNW 2 | — | S 5 | — | — | S 4 | S 6 | SSW 6 | SSW 7 | NW 3 | NNW 3 | SW 3 |
| kJ | 31 | 36 | 143 | 251 | 3 | 77 | 4 | 1 | 1 | 1 | — | 14 | — | — | 9 | 139 | 188 | 316 | 9 | 1 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 819 | 451 | 1223 | 227 | 10 | 0 | 15 | 2 | 10 | 2 | 676 | 678 | 36 | 668 | 2912 | 365 | 192 | 32 | 25 | 0 | 0 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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