Surf Forecasts:
Castles surf forecast from 18 Sep 2026:
- Best quality surf: Monday 21 Sep, 2PM (local time) - 4.5ft (1.4m), 6s period, ESE swell with glassy winds.
- Most powerful swell: Wednesday 23 Sep, 11PM (local time) - 11ft (3.5m), 11s period, E swell with 3,109 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 2PM (local time) - 4.5ft (1.4m), 6s period with ESE 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 (Sep 21) at 2PM. The primary swell is predicted to be 1.4m and 6s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Castles in the next 16 days are 3.5m 11s and forecast to arrive on Wednesday (Sep 23) at 11PM. Winds are predicted to be cross-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 Friday (Sep 18) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Mon 21st Sep) | 4.5ft (1.4m) 6s |
| Best Surf | 2PM (Mon 21st Sep) | 4.5ft (1.4m) 6s |
| Most Powerful | 11PM (Wed 23rd Sep) | 11ft (3.5m) 11s |
Table - best surf conditions forecast for Castles over the next 16 days.
Short Range ForecastMostly dry. Warm (max 25°C on Fri morning, min 18°C on Sat night). Mainly fresh winds. | Days 5-7 Weather SummaryHeavy rain (total 32mm), heaviest during Tue morning. Warm (max 22°C on Sun night, min 16°C on Tue night). Winds increasing (calm on Mon afternoon, strong winds from the ENE by Tue afternoon). | ||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||
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 4 | E 7 | ESE 8 | SE 12 | ENE 6 | E 6 | E 7 | E 7 | ESE 7 | ESE 6 | ESE 5 | ESE 6 | E 7 | E 8 | E 9 | ENE 9 | ENE 10 | E 10 | E 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 28 | 15 | 11 | 22 | 173 | 182 | 200 | 124 | 77 | 38 | 75 | 148 | 360 | 889 | 1483 | 1497 | 2282 | 2950 | 2891 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-on | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | off | glassy | cross-on | cross | cross | cross | cross-on | cross | cross-on |
High Tide | 1:53AM0.91m | 2:22PM1.16m | 2:49AM0.87m | 3:22PM1.13m | 4:00AM0.86m | 4:29PM1.14m | 5:08AM0.89m | 5:27PM1.17m | 5:59AM0.96m | 6:14PM1.22m | 6:42AM1.04m | 6:56PM1.26m | |||||||
Low Tide | 8:07PM0.33m | 7:50AM0.35m | 9:05PM0.37m | 8:43AM0.38m | 10:09PM0.38m | 9:45AM0.39m | 11:09PM0.35m | 10:52AM0.37m | 11:58PM0.30m | 11:48AM0.32m | 00:39AM0.24m | 12:36PM0.26m | 1:17AM0.18m | ||||||
 |  | | | |  | | | |  |  | |  |  | |  | | | | |
 | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — |
 | 7:02 | — | 7:00 | — | — | 7:00 | — | — | 6:58 | — | — | 6:55 | — | — | 6:54 | — | — | 6:52 | — |
mm | — | — | — | — | — | — | — | — | — | 3 | 3 | — | 4 | 8 | 5 | 6 | 2 | 1 | 1 |
Temp °C | 23 | 25 | 24 | 24 | 19 | 19 | 19 | 20 | 21 | 22 | 21 | 22 | 21 | 21 | 18 | 17 | 18 | 18 | 19 |
Feels °C | 21 | 27 | 24 | 25 | 13 | 15 | 16 | 17 | 19 | 22 | 23 | 25 | 24 | 22 | 12 | 10 | 12 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | S 4 | S 4 | E 7 | SE 12 | ESE 12 | ESE 11 | E 7 | SE 11 | ESE 6 | — | — | — | — | — | — | — | — | — |
| kJ | 18 | 9 | 6 | 8 | 35 | 13 | 12 | 124 | 18 | 38 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | ESE 13 | E 7 | ESE 8 | SE 12 | — | — | ESE 11 | SE 11 | SE 11 | SE 11 | — | — | — | — | — | — | — | — | — |
| kJ | 16 | 15 | 11 | 22 | — | — | 12 | 5 | 29 | 29 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 9 | ESE 12 | ENE 7 | S 4 | — | — | — | — | — | SE 8 | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 14 | 9 | 1 | — | — | — | — | — | 11 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | — | NE 3 | NE 4 | ENE 6 | E 6 | E 7 | — | ESE 7 | — | ESE 5 | ESE 6 | E 7 | E 8 | E 9 | ENE 9 | ENE 10 | E 10 | E 11 |
| kJ | 28 | — | 2 | 13 | 173 | 182 | 200 | — | 77 | — | 75 | 148 | 360 | 889 | 1483 | 1497 | 2282 | 2950 | 2891 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 361 | 149 | 222 | 399 | 431 | 2428 | 565 | 564 | 482 | 313 | 1 | 0 | 6 | 45 | 1163 | 294 | 294 | 1163 | 2204 |
Best forecast wave conditions in New Jersey | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castles surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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