Surf Forecasts:
Castles surf forecast from 14 Sep 2026:
- Best quality surf: Thursday 17 Sep, 8AM (local time) - 2.5ft (0.7m), 8s period, E swell with cross-offshore winds.
- Most powerful swell: Monday 21 Sep, 2PM (local time) - 7ft (2.1m), 7s period, ENE swell with 407 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 8AM (local time) - 2.5ft (0.7m), 8s period with E 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 Thursday (Sep 17) at 8AM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.2m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castles in the next 16 days are 2.1m 7s and forecast to arrive on Monday (Sep 21) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 17th Sep) | 2.5ft (0.7m) 8s |
| Best Surf | 8AM (Thu 17th Sep) | 2.5ft (0.7m) 8s |
| Most Powerful | 2PM (Mon 21st Sep) | 7ft (2.1m) 7s |
Table - best surf conditions forecast for Castles over the next 16 days.
The Lowdown
Right then, let's have a look at what’s on the table for the next couple of weeks at Castles. Straight up, it’s a frustrating run. We’ve got a long, quiet gap stretching from now all the way through to the morning of Saturday the 20th of September. That’s a full six days with nothing worth paddling out for. The water’s sitting at a very warm 75°, which is much warmer than normal for this time of year – feels like the ocean’s had a hot flush.
Come Sunday morning the 20th, there’s a tiny glimmer of hope. We’ll see a modest 3ft swell from the SSW, but the energy behind it is weak (101). The morning wind is a light offshore from the WSW, which will keep the surface clean, but the swell period is a short, snappy 6 seconds. It’s surfable, but it’s very ordinary. The afternoon turns ugly with a strong NE breeze making a mess of things.
The real standout – and I use that term loosely – is the morning of Thursday the 24th of September. After a few days of messy, blown-out junk (including an 8ft onshore mess on Wednesday the 23rd that’s only for the brave or foolish), we get a clean window. The swell drops to a more manageable 5ft from the E, with moderate energy (326). The wind goes light offshore from the W, giving us glassy, clean conditions. That’s your best bet. It’s still not pumping, but it’s the cleanest wave on offer. For a sandbar that’s fairly consistent and can handle a SE swell, this is the morning to make the most of it. Keep an eye on the tide though.
After that, the forecast fades back into small, weak, and mostly onshore slop through to the end of the month. The morning of Sunday the 28th has a clean offshore from the NNW with 4ft from the ESE, but it’s another “surfable but ordinary” call. There’s just no proper juice in this forecast.
Forget the kite – with the swell size and wind directions, it’s not even that.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon morning. Warm (max 24°C on Mon afternoon, min 18°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Fri afternoon, min 20°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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) | SE 9 | SE 9 | NE 5 | ENE 5 | ENE 6 | E 6 | E 7 | E 6 | E 8 | E 8 | E 8 | E 7 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSW 5 | SSW 6 | SSW 6 | ENE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 41 | 40 | 69 | 55 | 64 | 32 | 51 | 15 | 58 | 61 | 42 | 24 | 23 | 22 | 22 | 35 | 34 | 54 | 55 | 40 | 80 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross-on | on | on | cross-on | cross | cross-on | cross-on | cross | cross-off | on | on | on | on | cross | cross-off | cross | cross |
High Tide | 11:16AM1.35m | 11:31PM1.15m | 11:58AM1.30m | 00:15AM1.06m | 12:43PM1.25m | 1:03AM0.98m | 1:30PM1.19m | 1:53AM0.91m | 2:22PM1.16m | 2:49AM0.87m | 3:22PM1.13m | 4:00AM0.86m | 4:29PM1.14m | ||||||||
Low Tide | 5:31PM0.13m | 5:35AM0.15m | 6:20PM0.20m | 6:16AM0.23m | 7:13PM0.27m | 7:02AM0.30m | 8:07PM0.33m | 7:50AM0.35m | 9:05PM0.37m | 8:43AM0.38m | 10:09PM0.38m | 9:45AM0.39m | 11:09PM0.35m | ||||||||
 |  |  | | | | | | | | | |  | |  | | | | | |  | |
 | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:02 | — | — | 7:00 | — | — | 7:00 | — | — | 6:58 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 7 |
Temp °C | 22 | 24 | 22 | 20 | 19 | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 25 | 25 | 23 | 24 | 24 | 27 | 31 | 20 |
Feels °C | 18 | 19 | 17 | 17 | 17 | 18 | 20 | 19 | 18 | 21 | 20 | 20 | 24 | 26 | 27 | 24 | 25 | 24 | 28 | 32 | 17 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | ENE 6 | E 6 | E 7 | E 6 | E 8 | E 8 | E 8 | E 7 | E 7 | ESE 6 | SSW 4 | SE 12 | SE 12 | ESE 11 | ESE 11 | SE 11 | S 5 |
| kJ | 41 | 40 | 20 | 20 | 64 | 32 | 51 | 15 | 58 | 61 | 42 | 24 | 22 | 14 | 5 | 35 | 34 | 47 | 46 | 29 | 8 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | S 6 | S 6 | S 6 | SE 15 | ESE 10 | SE 13 | E 7 | ESE 13 | ESE 13 | ESE 12 | ESE 13 | SE 12 | SE 12 | ESE 6 | ESE 7 | E 6 | E 7 | — | E 7 | SE 11 |
| kJ | 6 | 6 | 3 | 1 | 8 | 9 | 7 | 9 | 17 | 16 | 15 | 16 | 23 | 22 | 8 | 9 | 7 | 4 | — | 4 | 29 |
Swell 3 Height (m) Direction Period (s) | ESE 5 | — | E 15 | SE 15 | — | SE 14 | SE 9 | ESE 9 | — | — | — | SE 9 | SE 9 | ESE 9 | SE 12 | SSW 4 | E 7 | — | — | SE 8 | — |
| kJ | 2 | — | 4 | 8 | — | 8 | 3 | 9 | — | — | — | 3 | 3 | 8 | 22 | 1 | 1 | — | — | 3 | — |
Wind waves Height (m) Direction Period (s) | N 4 | NNE 5 | NE 5 | ENE 5 | — | — | — | — | — | — | — | SSW 3 | SW 3 | SSW 3 | SW 4 | — | S 2 | SSW 5 | SSW 6 | SSW 6 | ENE 5 |
| kJ | 18 | 15 | 69 | 55 | — | — | — | — | — | — | — | 3 | 2 | 4 | 6 | — | 1 | 54 | 55 | 40 | 80 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 145 | 257 | 35 | 944 | 1070 | 1070 | 1163 | 1163 | 7 | 7 | 480 | 115 | 32 | 222 | 399 | 441 | 1072 | 618 | 0 | 94 | 141 |
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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