Surf Forecasts:
How big are the waves at Castlerock today (02 Oct):
- Morning surf: Morning surf (02 Oct, local time) - 3.5ft (1.1m), 12s period with NW swell.
- Afternoon surf: Afternoon surf (02 Oct, local time) - 3.5ft (1.1m), 12s period with NW swell.
- Evening surf: Evening surf (02 Oct, local time) - 3.5ft (1.1m), 11s period with NW swell.
The current surf forecast for Castlerock at 1PM is: 1.1m 12s primary swell from a Northwest direction (forecast issued at 06:00am October 02). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Oct) | 3.5ft (1.1m) | 12s |
| Afternoon (02 Oct) | 3.5ft (1.1m) | 12s |
| Evening (02 Oct) | 3.5ft (1.1m) | 11s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Fri afternoon. Very mild (max 17°C on Sun afternoon, min 9°C on Fri night). Mainly fresh winds. | |||||||||||||||||||||||
Friday 2 | Saturday 3 | Sunday 4 | |||||||||||||||||||||
4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | WNW 10 | NW 10 | NW 9 | NW 11 | NW 11 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 511 | 423 | 367 | 355 | 298 | 288 | 320 | 308 | 297 | 249 | 200 | 192 | 168 | 134 | 128 | 220 | 229 | 204 | 224 | 229 | 273 | 255 | 600 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:09AM1.51m | 10:37PM1.30m | 11:17AM1.37m | 00:01AM1.12m | 1:15PM1.32m | ||||||||||||||||||
Low Tide | 3:51AM0.41m | 4:34PM0.48m | 4:48AM0.55m | 6:16PM0.62m | 6:29AM0.65m | 8:33PM0.62m | |||||||||||||||||
 | |  |  |  |  |  | |  | | |  | | | | | | | | | | | | |
 | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | — | 1 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 11 | 12 | 15 | 15 | 13 | 11 | 10 | 10 | 9 | 10 | 13 | 14 | 14 | 13 | 11 | 11 | 11 | 12 | 16 | 17 | 17 | 16 |
Feels °C | 10 | 7 | 7 | 10 | 11 | 8 | 6 | 5 | 6 | 6 | 6 | 9 | 11 | 11 | 10 | 7 | 6 | 7 | 7 | 12 | 14 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | WNW 10 | NW 10 | NW 9 | NW 11 | NW 11 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 13 |
| kJ | 511 | 423 | 367 | 355 | 298 | 288 | 320 | 308 | 297 | 249 | 200 | 192 | 168 | 134 | 128 | 220 | 229 | 204 | 224 | 229 | 273 | 255 | 600 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SE 4 | ESE 4 | SE 4 | — | — | — | — | — | — | — | NW 12 | — | — | — | — | — | — | NW 14 | — |
| kJ | — | — | — | — | 4 | 2 | 1 | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | 147 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSE 3 | SSE 3 | SSE 3 | S 4 | W 3 | — | SSW 2 | SW 2 | WSW 2 | — | — | — | — | — | — | SSE 3 | SSE 3 | S 3 | S 4 | SSW 2 | SSW 2 | SW 3 |
| kJ | 2 | 2 | 3 | 6 | 6 | 1 | — | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 3 | 5 | 4 | 1 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 187 | 356 | 384 | 187 | 9 | 9 | 0 | 4 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 9 | 9 | 9 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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