Surf Forecasts:
Castles surf forecast from 10 Sep 2026:
- Best quality surf: Sunday 13 Sep, 8AM (local time) - 3.5ft (1.0m), 6s period, SE swell with glassy winds.
- Most powerful swell: Tuesday 15 Sep, 11AM (local time) - 4.5ft (1.3m), 6s period, E swell with 122 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 8AM (local time) - 3.5ft (1.0m), 6s period with SE 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 Sunday (Sep 13) at 8AM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.4m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Castles in the next 16 days are 1.3m 6s and forecast to arrive on Tuesday (Sep 15) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 3s period and expected on Thursday (Sep 17) at 2PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 13th Sep) | 3.5ft (1.0m) 6s |
| Best Surf | 8AM (Sun 13th Sep) | 3.5ft (1.0m) 6s |
| Most Powerful | 11AM (Tue 15th Sep) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Castles over the next 16 days.
The Lowdown
Alright, Rusty here, pulling up the charts for the coming weeks. Let’s be straight with you—this is a tough stretch. The shortboards are going to be gathering dust in the garage for a while. The overall pattern is a long, drawn-out run of poor surf quality, with only a tiny glimmer of hope right at the very end.
The forecast opens with a few days of small, weak swell but the wind is all over the place, and the word on the street is "poor surf conditions." We're looking at small, choppy, and generally unappealing waves. The first real chance to even get a board wet comes right at the tail end of the window.
The one and only spot that’s worth a mention is Castles. It’s a sandbar set-up, which can be a bit fickle, but it's our best bet for a reason. The standout moment here is on the Monday morning of the 21st of September. The wind is forecast to be light from the WNW, which is a cross-offshore breeze that will clean things up nicely. The waves will be small, coming in at around 4ft from the NE, and the combined swell energy is a weak 91 – so it’s not going to be a day of big power, but it will be clean. The water is much warmer than normal for this time of year, sitting at 77°F.
The rest of the period is a write-off. We have days of onshore winds, tiny swells, and a lot of cross-chop. The energy is low, with the combined swell energy often dipping into the double digits, which is really weak. You’ll notice a big gap of silence from the 10th right through to the 21st. There’s simply nothing to recommend. But, that small window on the 21st is a real, clean option. It’s not a classic, but it’s the only one on the table.
Later in the second week, around the 24th and 25th of September, we see a spike in swell size – up to 6ft and even 8ft – but the wind is whipping in from the west and southwest at 18-22 mph, creating a lumpy mess. At that size and with the wind, Castles is going to be a full-on choppy, blown-out affair. This setup looks more interesting for kite surfing than paddle surfing. Rinse and repeat.
So, head down to Castles on the morning of the 21st for a clean, small session. That’s the only call I’ve got. Keep your eyes on the forecast, but for now, it’s a waiting game.
Rusty.
Short Range ForecastModerate rain (total 13mm), heaviest on Sat night. Warm (max 29°C on Thu afternoon, min 23°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Sun morning. Warm (max 26°C on Sun afternoon, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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 | SSW 6 | S 5 | S 7 | SE 9 | SE 9 | SE 9 | SE 4 | SE 6 | SE 6 | SE 6 | SE 9 | SE 9 | SE 9 | E 5 | E 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 115 | 77 | 29 | 42 | 31 | 20 | 22 | 34 | 80 | 38 | 33 | 41 | 41 | 40 | 77 | 122 | 101 | 70 | 49 | 11 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | off | cross-off | on | cross-on | on | on | cross-on | cross | cross-on | cross-off | cross-off | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross |
High Tide | 8:28AM1.30m | 8:46PM1.43m | 9:14AM1.36m | 9:30PM1.39m | 9:56AM1.39m | 10:11PM1.33m | 10:36AM1.38m | 10:51PM1.25m | 11:16AM1.35m | 11:31PM1.15m | 11:58AM1.30m | 00:15AM1.06m | 12:43PM1.25m | 1:03AM0.98m | |||||||
Low Tide | 2:29PM-0.01m | 3:04AM-0.04m | 3:17PM-0.02m | 3:43AM-0.03m | 4:02PM0.01m | 4:21AM0.01m | 4:46PM0.06m | 4:57AM0.07m | 5:31PM0.13m | 5:35AM0.15m | 6:20PM0.20m | 6:16AM0.23m | 7:13PM0.27m | ||||||||
 | |  |  | |  | |  |  |  |  | | | | | | | | | |  | |
 | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — |
 | — | 7:14 | — | — | 7:13 | — | — | 7:10 | — | — | 7:08 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — |
mm | — | — | — | — | — | — | — | — | 13 | 4 | 1 | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 25 | 29 | 28 | 23 | 24 | 23 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 22 | 22 | 22 | 22 | 23 | 24 | 24 |
Feels °C | 24 | 30 | 28 | 22 | 23 | 23 | 24 | 23 | 26 | 28 | 29 | 28 | 27 | 26 | 21 | 20 | 20 | 22 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | S 5 | S 7 | S 6 | S 6 | SE 9 | — | SE 6 | SE 6 | SE 6 | SE 9 | SE 9 | SE 9 | S 6 | S 5 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 7 |
| kJ | 13 | 13 | 29 | 42 | 28 | 10 | 22 | — | 80 | 38 | 31 | 41 | 41 | 40 | 2 | 1 | 101 | 70 | 49 | 11 | 17 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 8 | SE 10 | SE 10 | SE 9 | SE 9 | S 5 | E 8 | SE 10 | SE 10 | SE 10 | ESE 5 | ESE 5 | S 6 | E 15 | SE 15 | SE 15 | SE 14 | SE 13 | ESE 7 | SE 9 |
| kJ | 1 | 1 | 15 | 15 | 31 | 20 | 2 | 1 | 15 | 33 | 33 | 11 | 5 | 11 | 4 | 8 | 8 | 8 | 7 | 5 | 3 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 8 | E 8 | — | E 8 | ENE 4 | E 9 | — | E 8 | E 7 | S 4 | — | S 6 | ESE 5 | — | — | SE 15 | — | SE 10 | ESE 9 | ESE 13 |
| kJ | 2 | 1 | 1 | — | 1 | 3 | 2 | — | 1 | 1 | 1 | — | 6 | 2 | — | — | 8 | — | 4 | 8 | 17 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | — | ENE 4 | E 4 | — | SE 3 | SE 4 | — | — | — | — | — | ENE 4 | E 5 | E 6 | — | — | SW 3 | S 4 | S 4 |
| kJ | 115 | 77 | — | 12 | 8 | — | 6 | 34 | — | — | — | — | — | 18 | 77 | 122 | — | — | 2 | 9 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 29 | 25 | 32 | 4 | 157 | 257 | 1170 | 477 | 32 | 7 | 187 | 32 | 25 | 163 | 565 | 1198 | 2518 | 1200 | 7 | 2363 | 386 |
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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