Surf Forecasts:
How big are the waves at Downhill today (30 Sep):
- 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) - 1.5ft (0.5m), 13s period with WNW swell.
The current surf forecast for Downhill at 9PM is: 0.5m 13s primary swell from a West-northwest direction (forecast issued at 06:00pm September 30). An open ocean swell of 0.3m 4s 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) | - | - |
| Afternoon (30 Sep) | 0.5ft (0.1m) | 12s |
| Evening (30 Sep) | 1.5ft (0.5m) | 13s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Fri afternoon. Very mild (max 16°C on Wed afternoon, min 10°C on Wed night). Winds decreasing (fresh winds from the S on Wed afternoon, light winds from the WSW by Fri afternoon). | |||||||||||||||||||
Wed 30 | Thursday 1 | Friday 2 | |||||||||||||||||
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) | W 12 | WNW 12 | WNW 13 | WNW 15 | WNW 15 | WNW 16 | WNW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 3 | 14 | 98 | 581 | 1001 | 1225 | 1350 | 1377 | 1289 | 1105 | 859 | 680 | 519 | 479 | 409 | 355 | 343 | 373 | 314 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-on | cross |
High Tide | 9:12PM2.06m | 9:31AM1.97m | 9:56PM1.85m | 10:20AM1.82m | |||||||||||||||
Low Tide | 2:59PM0.17m | 3:21AM0.29m | 3:44PM0.33m | 4:04AM0.46m | 4:43PM0.53m | ||||||||||||||
 | |  | |  | | | |  |  |  | | | | |  |  | | | |
 | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — |
 | — | 7:07 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:01 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 8 | — | — |
Temp °C | 16 | 15 | 12 | 11 | 10 | 10 | 11 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 14 | 15 | 13 | 13 | 11 |
Feels °C | 9 | 10 | 7 | 6 | 5 | 6 | 7 | 9 | 10 | 8 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 7 |
Swell 1 Height (m) Direction Period (s) | W 12 | ESE 5 | WNW 13 | WNW 15 | WNW 15 | WNW 16 | WNW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | SE 4 | NW 11 | NW 11 |
| kJ | 3 | 9 | 98 | 581 | 1001 | 1225 | 1350 | 1377 | 1289 | 1105 | 859 | 680 | 519 | 479 | 409 | 355 | 2 | 373 | 314 |
Swell 2 Height (m) Direction Period (s) | N 9 | WNW 12 | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | SE 7 | ESE 4 |
| kJ | 2 | 14 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 12 | 2 |
Swell 3 Height (m) Direction Period (s) | — | W 9 | N 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | S 3 | S 3 | SE 3 | SSE 3 | — | — | SSW 3 | S 3 | — | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | NW 12 | — | WSW 2 |
| kJ | 30 | 4 | 1 | 2 | 3 | — | — | 3 | 2 | — | 3 | 4 | 2 | 2 | 3 | 5 | 343 | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 269 | 276 | 276 | 276 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 276 | 6 | 4 | 4 | 4 | 4 | 13 | 4 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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