Surf Forecasts:
How big are the waves at Castlerock today (06 Oct):
- Morning surf: Morning surf (06 Oct, local time) - 5ft (1.6m), 11s period with NW swell.
- Afternoon surf: Afternoon surf (06 Oct, local time) - 4.5ft (1.4m), 10s period with NW swell.
- Evening surf: Evening surf (06 Oct, local time) - 4.5ft (1.3m), 10s period with NW swell.
The current surf forecast for Castlerock at 8PM is: 1.3m 10s primary swell from a Northwest direction (forecast issued at 12:00pm October 06). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Oct) | 5ft (1.6m) | 11s |
| Afternoon (06 Oct) | 4.5ft (1.4m) | 10s |
| Evening (06 Oct) | 4.5ft (1.3m) | 10s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Thu night. Very mild (max 15°C on Thu night, min 8°C on Thu afternoon). Winds increasing (light winds from the WNW on Tue morning, strong winds from the W by Thu night). | |||||||||||||||||||||
Tue 6 | Wednesday 7 | Thursday 8 | |||||||||||||||||||
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 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 11 | NW 10 | NW 10 | NW 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 505 | 441 | 330 | 318 | 279 | 279 | 302 | 319 | 308 | 451 | 611 | 802 | 866 | 821 | 713 | 589 | 466 | 371 | 220 | 159 | 161 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | off | off | off | cross-off |
High Tide | 4:13PM1.64m | 4:39AM1.34m | 4:59PM1.80m | 5:18AM1.47m | 5:37PM1.91m | ||||||||||||||||
Low Tide | 9:49AM0.46m | 10:59PM0.33m | 10:42AM0.31m | 11:39PM0.21m | 11:25AM0.18m | ||||||||||||||||
 |  | |  |  |  | | | | | | | | | | |  | |  |  | | |
 | 7:37 | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — |
 | — | — | 6:51 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 1 | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | 4 | 2 | — |
Temp °C | 11 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 8 | 11 | 13 |
Feels °C | 10 | 9 | 8 | 8 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 5 | 4 | 5 | 5 | 5 | 5 | 2 | 5 | 9 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 11 | NW 10 | — | — | — | — | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | WNW 10 |
| kJ | 505 | 441 | 330 | 318 | 279 | 279 | 302 | 319 | 308 | — | — | — | — | 821 | 713 | 589 | 466 | 371 | 220 | 159 | 161 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 10 | NW 10 | NW 11 | NW 11 | — | — | — | — | — | SSE 2 | S 3 | WSW 3 |
| kJ | — | — | — | — | — | — | — | — | — | 451 | 611 | 802 | 866 | — | — | — | — | — | 1 | 4 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 8 | 42 | 71 | 9 | 27 | 27 | 27 | 398 | 400 | 442 | 442 | 443 | 443 | 187 | 172 | 27 | 0 | 0 | 292 | 323 | 9 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wave Height (m)
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