Surf Forecasts:
How big are the waves at Castlerock today (02 Jul):
- Morning surf: Morning surf (02 Jul, local time) - 6ft (1.8m), 9s period with NW swell.
- Afternoon surf: Afternoon surf (02 Jul, local time) - 5ft (1.6m), 9s period with NW swell.
- Evening surf: Evening surf (02 Jul, local time) - 4.5ft (1.4m), 8s period with NW swell.
The current surf forecast for Castlerock at 3PM is: 1.6m 9s primary swell from a Northwest direction (forecast issued at 12:00pm July 02). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Jul) | 6ft (1.8m) | 9s |
| Afternoon (02 Jul) | 5ft (1.6m) | 9s |
| Evening (02 Jul) | 4.5ft (1.4m) | 8s |
Table - waves today at Castlerock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Sat morning, min 12°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu morning, light winds from the SSW by Fri morning). | ||||||||||||||||||||||||
Thu 2 | Friday 3 | Saturday 4 | Sun 5 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 7 | NW 9 | NW 9 | NW 9 | NW 9 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | WNW 10 | NW 10 | NW 9 | NW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 593 | 447 | 335 | 216 | 145 | 105 | 141 | 112 | 112 | 129 | 194 | 216 | 212 | 173 | 196 | 246 | 211 | 198 | 194 | 221 | 292 | 216 | 168 | 138 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 8:06AM1.48m | 8:39PM1.72m | 8:38AM1.46m | 9:14PM1.71m | 9:12AM1.43m | 9:49PM1.68m | ||||||||||||||||||
Low Tide | 2:31PM0.20m | 3:15AM0.41m | 3:02PM0.21m | 3:50AM0.44m | 3:32PM0.24m | 4:25AM0.47m | ||||||||||||||||||
 | | | |  |  | | | | | | | | | |  | | | | | | | | | |
 | 4:50 | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:54 | — |
 | — | — | — | — | 10:08 | — | — | — | — | — | — | — | 10:08 | — | — | — | — | — | — | — | 10:07 | — | — | 10:07 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 15 | 15 | 15 | 13 | 13 | 12 | 13 | 14 | 17 | 15 | 13 | 13 | 15 | 15 | 16 | 17 | 20 | 18 | 16 | 15 | 14 | 14 | 14 |
Feels °C | 7 | 9 | 9 | 11 | 10 | 10 | 8 | 10 | 12 | 15 | 13 | 11 | 11 | 12 | 11 | 13 | 14 | 16 | 13 | 12 | 11 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | — | — | — | NW 8 | NW 8 | NW 7 | NW 9 | NW 9 | NW 9 | NW 9 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | WNW 10 | NW 10 | NW 9 | NW 9 | WNW 9 | — | WNW 9 | WNW 9 | WNW 9 |
| kJ | — | — | — | 216 | 145 | 105 | 141 | 112 | 112 | 129 | 194 | 216 | 212 | 173 | 196 | 246 | 211 | 198 | 194 | 221 | — | 216 | 168 | 138 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 11 | W 11 | W 11 | NW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 2 | 9 | 9 | 60 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 9 | NW 9 | NW 8 | — | — | WSW 2 | — | — | — | — | — | — | — | SW 2 | WSW 3 | — | W 3 | W 4 | W 4 | W 3 | WNW 9 | — | — | — |
| kJ | 593 | 447 | 335 | — | — | 1 | — | — | — | — | — | — | — | 1 | 3 | — | 8 | 12 | 12 | 8 | 292 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 398 | 411 | 339 | 398 | 300 | 300 | 187 | 9 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 398 | 409 | 772 | 398 | 442 | 387 | 187 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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