Surf Forecasts:
Castletown surf forecast from 4 Nov 2026:
- Best quality surf: Wednesday 11 Nov, 12AM (local time) - 4ft (1.2m), 5s period, ESE swell with cross-offshore winds.
- Most powerful swell: Tuesday 17 Nov, 9PM (local time) - 7ft (2.1m), 6s period, SE swell with 300 kJ wave energy.
- Next surfable swell (1★+): Wednesday 11 Nov, 12AM (local time) - 4ft (1.2m), 5s period with ESE swell.
Best Forecast Surf Conditions for Castletown this week:
The surf forecast for Castletown over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Nov 11) at 12AM. The primary swell is predicted to be 1.2m and 5s period with a secondary swell of 0.1m and 11s. Another secondary swell of 0.1m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castletown in the next 16 days are 2.1m 6s and forecast to arrive on Tuesday (Nov 17) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 7s period and expected on Friday (Nov 13) at 6PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 11th Nov) | 4ft (1.2m) 5s |
| Best Surf | 12AM (Wed 11th Nov) | 4ft (1.2m) 5s |
| Most Powerful | 9PM (Tue 17th Nov) | 7ft (2.1m) 6s |
Table - best surf conditions forecast for Castletown over the next 16 days.
Short Range ForecastLight rain (total 6mm), mostly falling on Fri night. Very mild (max 12°C on Thu afternoon, min 9°C on Wed night). Winds decreasing (fresh winds from the ENE on Wed afternoon, light winds from the E by Fri night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sat morning. Very mild (max 10°C on Sat morning, min 9°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||||
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) | E 4 | E 5 | E 5 | E 5 | E 5 | E 5 | ESE 4 | E 4 | E 3 | E 2 | E 2 | E 3 | S 12 | — | — | S 8 | SSW 8 | E 4 | E 4 | ESE 4 | ESE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 86 | 0 | 87 | 59 | 18 | 7 | 1 | 1 | 1 | 1 | 3 | 0 | 0 | 1 | 6 | 28 | 16 | 24 | 69 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 7:37PM4.75m | 8:23AM4.62m | 8:34PM4.93m | 9:10AM4.79m | 9:20PM5.07m | 9:50AM4.92m | 10:00PM5.14m | 10:25AM5.01m | 10:37PM5.15m | 10:58AM5.07m | 11:13PM5.12m | 11:31AM5.11m | 11:49PM5.04m | ||||||||
Low Tide | 1:26PM1.58m | 2:04AM0.96m | 2:24PM1.34m | 2:55AM0.78m | 3:11PM1.11m | 3:37AM0.68m | 3:51PM0.95m | 4:13AM0.66m | 4:28PM0.84m | 4:47AM0.69m | 5:03PM0.80m | 5:21AM0.76m | 5:39PM0.81m | ||||||||
 |  |  | |  |  | |  |  | | | | | |  | | | | | | | |
 | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — |
 | — | 4:38 | — | — | 4:37 | — | — | 4:35 | — | — | 4:32 | — | — | 4:30 | — | — | 4:30 | — | — | 4:28 | — |
mm | — | — | — | — | — | — | — | 1 | 5 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 11 | 10 | 11 | 12 | 11 | 10 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 10 | 9 |
Feels °C | 5 | 5 | 3 | 4 | 5 | 4 | 4 | 6 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 4 | 4 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 12 | — | — | — | SSW 8 | SSW 10 | SSW 9 | SSW 9 | SW 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | 6 | 18 | 8 | 8 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 8 | S 11 | SSW 10 | — | — | S 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 9 | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | E 5 | E 5 | E 5 | E 5 | E 5 | ESE 4 | E 4 | E 3 | E 2 | E 2 | E 3 | — | — | — | — | E 3 | E 4 | E 4 | ESE 4 | ESE 5 |
| kJ | 30 | 44 | 86 | 87 | 87 | 59 | 18 | 7 | 1 | 1 | 1 | 1 | — | — | — | — | 5 | 28 | 16 | 24 | 69 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 166 | 169 | 169 | 239 | 208 | 222 | 169 | 208 | 166 | 166 | 218 | 222 | 352 | 352 | 416 | 218 | 171 | 171 | 176 | 208 | 171 |
Best forecast wave conditions in Isle of Man | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castletown 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 Castletown Surf forecast
The above surf forecast table for Castletown provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castletown can be found by selecting the local surf guide option on the grey menu. Our Castletown 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 (Castletown) 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 Castletown 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.
Castletown is 1 km (1 miles) from Ronaldsway. If you plan a holiday in Isle of Man, look for hotels and other accommodation in Ronaldsway. Ronaldsway has rooms for a wide range of budgets as well as car hire and transport links.
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