Surf Forecasts:
Fortress surf forecast from 12 Jul 2026:
- Best quality surf: Wednesday 15 Jul, 8PM (local time) - 2.5ft (0.7m), 6s period, SSW swell with offshore winds.
- Most powerful swell: Tuesday 14 Jul, 11PM (local time) - 6ft (1.9m), 6s period, SW swell with 293 kJ wave energy.
- Next surfable swell (1★+): Wednesday 15 Jul, 8PM (local time) - 2.5ft (0.7m), 6s 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 8PM. The primary swell is predicted to be 0.7m and 6s period with a secondary swell of 0.3m 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 1.9m 6s and forecast to arrive on Tuesday (Jul 14) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Tuesday (Jul 14) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Wed 15th Jul) | 2.5ft (0.7m) 6s |
| Best Surf | 8PM (Wed 15th Jul) | 2.5ft (0.7m) 6s |
| Most Powerful | 11PM (Tue 14th Jul) | 6ft (1.9m) 6s |
Table - best surf conditions forecast for Fortress over the next 16 days.
Alright, let me tell you how it’s looking for Fortress. This is going to be one of those quiet spells. I’ve scanned the whole 16-day window from July 12th right through to July 27th, and honestly, there’s nothing here worth paddling out for. Every single session is labelled “poor surf conditions,” and the scores back that up. We’ve got a long stretch of little to no energy.
The first recommendation doesn’t come with any real quality. The surf starts off tiny, with waves around 1 ft on Sunday the 12th and Monday the 13th, coming from the SE with periods around 9-10 seconds. The wind is cross or cross-on, making things choppy. Combined swell energy is weak, sitting at just 31. Water temperature is about 66 °F, which is a bit colder than normal for this time of year (anomaly of -2°F).
For a bit of hope, Wednesday the 15th sees a small bump of 4 ft from the SW, but the period drops to a short 6 seconds, and while the wind goes cross-off and cleans things up, it’s still poor quality. The combined energy gets up to 168 (moderate) on the afternoon, but the wave shape isn’t delivering. Thursday the 16th drops back down.
The closest we get to anything worth a look might be Monday the 20th. The swell picks up to 5 ft in the morning and 6 ft in the afternoon from the SSW. The combined energy jumps way up to 122 and then 262 (moderate to strong), but the period is still a short 6 seconds. Wind is onshore from the SE at 9 mph, so those bigger waves are going to be messy and blown out. That’s about as big as it gets, but for the wrong reasons.
Tuesday the 21st has some chest-to-head high swell, 5 ft to 5 ft from the S, with energy readings around 165-205 (moderate). But it’s still short-period (6 seconds), and we’ve got cross or cross-on winds. A beginner might find that a bit big, but for an experienced crew, it’s not really worth the chop.
After that, it just fades. The end of July looks like a total blank run for this area.
No standouts here, folks. It’s one of those stretches where the forecasts can change, but for now, you’re better off leaving the boards in the car.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 21°C on Sun night). Winds increasing (light winds from the SW on Sun night, strong winds from the SW by Tue night). | Days 5-7 Weather SummarySome drizzle, heaviest during Wed night. Warm (max 31°C on Wed afternoon, min 18°C on Fri morning). Winds decreasing (fresh winds from the NNW on Fri morning, calm by Fri night). | ||||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 10 | SE 10 | SE 9 | S 4 | SE 9 | SE 9 | SE 9 | SW 7 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | SSW 6 | SSW 4 | SSE 7 | S 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 253 | 91 | 95 | 25 | 37 | 35 | 16 | 16 | 17 | 10 | 6 | 20 | 18 | 32 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-on | off | cross-off | cross-off | glassy |
High Tide | 6:53PM1.05m | 7:27AM0.80m | 7:51PM1.09m | 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 | |||||||
Low Tide | 1:18AM-0.06m | 12:56PM-0.06m | 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 | ||||||||
 |  | | | | | | | | |  |  | | | | | | | |  | | |
 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 |
 | 8:20 | — | — | 8:20 | — | — | 8:19 | — | — | 8:17 | — | — | 8:17 | — | — | 8:16 | — | — | 8:15 | — | 8:15 |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 26 | 28 | 31 | 30 | 25 | 27 | 26 | 20 | 25 | 24 | 22 | 23 | 23 | 22 |
Feels °C | 21 | 20 | 21 | 18 | 18 | 20 | 18 | 25 | 28 | 29 | 29 | 21 | 21 | 25 | 15 | 21 | 22 | 19 | 18 | 17 | 21 |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 6 | SSW 6 | ESE 8 | ESE 8 | S 6 | S 6 | S 6 | S 6 | SSW 6 | ESE 7 | SSE 7 | S 7 |
| kJ | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 56 | 25 | 6 | 6 | 16 | 16 | 17 | 10 | 6 | 5 | 18 | 32 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 3 | E 4 | E 7 | E 8 | E 8 | E 7 | — | — | SE 9 | SE 8 | SE 15 | SE 15 | ESE 9 | NE 3 | SE 8 | SE 8 | SSE 6 | SE 13 | SE 13 | SE 13 |
| kJ | 14 | 3 | 1 | 1 | 1 | 1 | 1 | — | — | 12 | 11 | 9 | 9 | 7 | 1 | 3 | 3 | 4 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | E 7 | SE 10 | E 7 | E 8 | — | — | — | — | — | S 17 | — | — | — | SE 15 | SE 8 | — | SE 14 | SE 8 | E 8 | SE 13 | SE 13 |
| kJ | 1 | 14 | 1 | 1 | — | — | — | — | — | 5 | — | — | — | 9 | 3 | — | 8 | 3 | 1 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | SE 4 | — | S 6 | S 4 | SSW 4 | SW 5 | SSW 6 | SW 7 | SW 6 | SW 6 | — | SSW 6 | SSW 6 | — | NE 3 | — | NNW 3 | — | SSW 4 | SW 4 | — |
| kJ | 3 | — | 7 | 13 | 28 | 35 | 170 | 253 | 91 | 95 | — | 37 | 35 | — | 3 | — | 3 | — | 20 | 8 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 801 | 803 | 803 | 815 | 815 | 414 | 192 | 232 | 10 | 10 | 10 | 1678 | 210 | 15 | 668 | 704 | 668 | 668 | 2714 | 15 | 2 |
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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