Surf Forecasts:
How big are the waves at Downhill today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 0.5ft (0.1m), 14s period with W swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 0.5ft (0.1m), 12s period with W swell.
- Evening surf: Evening surf (30 Sep, local time) - 2.5ft (0.8m), 16s period with WNW swell.
The current surf forecast for Downhill at 7AM is: 0.1m 14s primary swell from a West direction (forecast issued at 12:00am September 30). An open ocean swell of 0.7m 6s is not directed at the surf break, a second open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 0.5ft (0.1m) | 14s |
| Afternoon (30 Sep) | 0.5ft (0.1m) | 12s |
| Evening (30 Sep) | 2.5ft (0.8m) | 16s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Tue night. Very mild (max 19°C on Tue night, min 10°C on Wed night). Winds decreasing (near gales from the SSE on Tue night, light winds from the WNW by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NW 10 | W 14 | W 14 | W 14 | W 13 | W 12 | WNW 13 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4 | 4 | 4 | 4 | 3 | 12 | 32 | 277 | 848 | 1098 | 1288 | 1415 | 1340 | 1253 | 976 | 780 | 680 | 591 | 576 | 479 | 367 | 309 | 288 | 273 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on |
High Tide | 8:51AM2.08m | 9:12PM2.06m | 9:31AM1.97m | 9:56PM1.85m | 10:20AM1.82m | |||||||||||||||||||
Low Tide | 2:45AM0.14m | 2:59PM0.17m | 3:21AM0.29m | 3:44PM0.33m | 4:04AM0.46m | 4:43PM0.53m | ||||||||||||||||||
 |  |  |  | |  | |  | |  | | | |  | | | | | | |  |  | | | |
 | — | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:01 | — |
mm | 4 | 20 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | 1 | — |
Temp °C | 17 | 16 | 14 | 14 | 15 | 15 | 14 | 12 | 11 | 10 | 10 | 11 | 14 | 15 | 15 | 13 | 13 | 13 | 12 | 13 | 13 | 15 | 13 | 12 |
Feels °C | 11 | 13 | 8 | 7 | 7 | 8 | 9 | 7 | 6 | 6 | 6 | 6 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 10 | 12 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | NW 10 | ESE 6 | ESE 6 | W 14 | W 13 | W 12 | WNW 13 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 |
| kJ | 4 | 106 | 43 | 4 | 3 | 12 | 32 | 277 | 848 | 1098 | 1288 | 1415 | 1340 | 1253 | 976 | 780 | 680 | 591 | 576 | 479 | 367 | 309 | 288 | 273 |
Swell 2 Height (m) Direction Period (s) | N 10 | N 10 | W 14 | N 10 | N 9 | N 9 | W 9 | ESE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | 4 | 2 | 2 | 2 | 2 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 14 | N 10 | W 9 | — | — | N 10 | N 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 2 | 2 | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | — | SSE 3 | SE 4 | SSE 4 | SSE 4 | SE 5 | S 2 | — | — | — | — | — | SSE 3 | — | SSE 3 | SSE 3 | SSE 3 | SSE 3 | — | S 3 | S 2 | WSW 3 | — |
| kJ | 188 | — | 2 | 15 | 25 | 30 | 17 | 1 | — | — | — | — | — | 3 | — | 3 | 3 | 2 | 3 | — | 2 | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1038 | 560 | 364 | 285 | 291 | 276 | 276 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 182 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 159 | 24 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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