Surf Forecasts:
Castles surf forecast from 11 Aug 2026:
- Best quality surf: Monday 17 Aug, 5PM (local time) - 3.5ft (1.1m), 7s period, S swell with offshore winds.
- Most powerful swell: Monday 17 Aug, 11AM (local time) - 6ft (1.8m), 7s period, SSW swell with 306 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 5PM (local time) - 3.5ft (1.1m), 7s period with S swell.
Best Forecast Surf Conditions for Castles this week:
The surf forecast for Castles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 5PM. The primary swell is predicted to be 1.1m and 7s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Castles in the next 16 days are 1.8m 7s and forecast to arrive on Monday (Aug 17) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (Aug 15) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Mon 17th Aug) | 3.5ft (1.1m) 7s |
| Best Surf | 5PM (Mon 17th Aug) | 3.5ft (1.1m) 7s |
| Most Powerful | 11AM (Mon 17th Aug) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for Castles over the next 16 days.
The Lowdown
Alright, Rusty here, and I’ll tell it like it is. For the next couple weeks we’ve got a whole lot of nothing happening in the surf department. The water is running 79° which is well above average for this time of year, so at least you can paddle in shorts.
From Tuesday the 11th all the way through the weekend, it’s just tiny, weak, messy surf. Swell heights are bouncing between 1ft and 2ft, the wind is coming from every direction and not doing us any favors. Combined wave energy is barely a whisper, mostly under 60. It’s a boring stretch.
We get a little pulse on Monday the 17th at Castles, which is a sandbar. The morning brings a 5ft swell from the SSW with a short period, but the wind swings offshore from the NW at 9 mph, keeping the surface clean. Wave energy climbs to 197 – the best of the whole run – but it’s still just fair. That afternoon the swell drops to 3ft, still offshore but a bit windier. The direction lines up for this break, so at least that’s in our favor.
After that, it’s back to the small stuff. From the 18th through the 26th we’re stuck with 1ft to 2ft waves, mostly blown out or crossed up. There’s a glassy morning on the 21st, but the swell is barely a foot. Even when the wind goes offshore again on the 23rd and 24th, the swell is still just 1ft or 2ft, with a long period that doesn’t do much for a beach break like this. Wave energy stays low – 40s and 50s at best.
If you’re desperate for a paddle, Monday the 17th is your window. Otherwise, keep the board in the car. Could always change, but for now it’s grim.
Rusty.
Short Range ForecastHeavy rain (total 23mm), heaviest during Wed morning. Warm (max 30°C on Tue afternoon, min 21°C on Wed morning). Mainly fresh winds. | Days 5-7 Weather SummaryModerate rain (total 15mm), heaviest on Fri afternoon. Warm (max 27°C on Fri afternoon, min 19°C on Fri night). Winds increasing (light winds from the WSW on Fri afternoon, strong winds from the SW by Sun night). | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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 | SSW 4 | NE 4 | S 6 | SSW 3 | SSW 4 | SSW 4 | ESE 9 | S 5 | S 6 | S 6 | NE 5 | S 7 | S 7 | S 7 | S 6 | S 6 | SSW 7 | S 7 | S 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 17 | 5 | 7 | 9 | 9 | 11 | 12 | 8 | 9 | 11 | 19 | 35 | 24 | 25 | 15 | 31 | 193 | 306 | 107 | 56 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-on | cross-off | cross | cross | off | cross-off | cross-off | cross-off | cross-off | on | cross | cross | cross-on | cross | cross-off | off | cross-off |
High Tide | 8:14PM1.51m | 8:47AM1.20m | 9:06PM1.51m | 9:37AM1.26m | 9:54PM1.48m | 10:23AM1.30m | 10:38PM1.41m | 11:08AM1.30m | 11:21PM1.32m | 11:54AM1.29m | 00:06AM1.21m | 12:40PM1.26m | 00:52AM1.10m | |||||||
Low Tide | 2:45AM-0.06m | 2:41PM-0.06m | 3:31AM-0.09m | 3:32PM-0.06m | 4:14AM-0.09m | 4:21PM-0.04m | 4:55AM-0.06m | 5:09PM0.02m | 5:38AM0.00m | 6:00PM0.10m | 6:22AM0.08m | 6:54PM0.18m | ||||||||
 |  |  |  |  | |  |  |  | |  | | | | | | | | | | |
 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | 7:58 | — | — | 7:57 | — | — | 7:55 | — | — | 7:53 | — | — | 7:52 | — | — | 7:52 | — | — | 7:50 | — |
mm | — | 9 | 10 | — | — | — | 2 | 1 | 1 | 5 | — | — | — | — | — | — | 7 | 3 | — | — |
Temp °C | 30 | 28 | 23 | 27 | 27 | 26 | 27 | 27 | 24 | 27 | 25 | 22 | 23 | 23 | 23 | 24 | 23 | 24 | 30 | 26 |
Feels °C | 30 | 28 | 24 | 29 | 29 | 27 | 27 | 30 | 26 | 27 | 23 | 19 | 20 | 21 | 21 | 21 | 18 | 26 | 31 | 24 |
Swell 1 Height (m) Direction Period (s) | SE 9 | S 5 | S 5 | ENE 4 | ESE 8 | SE 8 | ESE 8 | S 4 | S 5 | S 6 | S 6 | S 6 | NE 5 | S 7 | S 7 | SE 9 | E 6 | S 7 | S 7 | S 7 |
| kJ | 3 | 5 | 5 | 6 | 7 | 3 | 7 | 6 | 7 | 11 | 19 | 19 | 22 | 25 | 15 | 3 | 1 | 202 | 107 | 56 |
Swell 2 Height (m) Direction Period (s) | E 8 | SE 9 | ESE 8 | S 6 | ENE 4 | SE 11 | SE 10 | ESE 9 | NNE 3 | ESE 10 | ESE 9 | SE 9 | S 7 | NE 5 | ENE 5 | ENE 6 | — | — | — | SE 9 |
| kJ | 1 | 3 | 7 | 9 | 1 | 4 | 4 | 8 | 1 | 9 | 8 | 3 | 24 | 7 | 2 | 4 | — | — | — | 13 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 8 | E 8 | ESE 8 | E 8 | E 7 | E 7 | SE 7 | ESE 10 | — | — | E 12 | SE 9 | SE 9 | SE 9 | — | — | — | — | SE 16 |
| kJ | 3 | 1 | 1 | 7 | 1 | 1 | 1 | 2 | 9 | — | — | 3 | 3 | 3 | 3 | — | — | — | — | 10 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 4 | NE 4 | — | SSW 3 | SSW 4 | SSW 4 | — | SSW 5 | — | NE 4 | NE 5 | — | — | — | S 6 | S 6 | SSW 7 | — | N 3 |
| kJ | 17 | 5 | 6 | — | 9 | 11 | 12 | — | 8 | — | 6 | 35 | — | — | — | 31 | 193 | 306 | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2371 | 565 | 565 | 2438 | 623 | 257 | 2438 | 257 | 947 | 2439 | 576 | 442 | 463 | 257 | 222 | 1439 | 959 | 18 | 0 | 35 |
Best forecast wave conditions in New Jersey | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Castles Surf forecast
The above surf forecast table for Castles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castles can be found by selecting the local surf guide option on the grey menu. Our Castles 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 (Castles) 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 Castles 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.
Castles is 8 km (5 miles) from Atlantic City. If you plan a vacation in New Jersey, look for hotels and other accommodation in Atlantic City. Atlantic City has rooms for a wide range of budgets as well as car hire and transport links.
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