Surf Forecasts:
How big are the waves at Downhill today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 1.5ft (0.4m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 5s period with NW swell.
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 6s period with NW swell.
The current surf forecast for Downhill at 4PM is: 1.1m 5s primary swell from a Northwest direction and 0.1m 9s secondary swell from a North direction (forecast issued at 12:00pm September 15). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 1.5ft (0.4m) | 10s |
| Afternoon (15 Sep) | 3.5ft (1.1m) | 5s |
| Evening (15 Sep) | 3.5ft (1.1m) | 6s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Wed night. Very mild (max 15°C on Tue morning, min 12°C on Wed night). Winds increasing (moderate winds from the WSW on Wed morning, strong winds from the W by Thu afternoon). | |||||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | |||||||||||||||||||
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) | WNW 10 | WNW 10 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | WNW 12 | WNW 11 | NW 11 | NW 10 | NW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | NW 11 | NW 11 | NW 13 | NW 14 | NW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 40 | 204 | 64 | 67 | 77 | 95 | 96 | 117 | 135 | 286 | 192 | 139 | 138 | 199 | 272 | 457 | 777 | 1327 | 2800 | 4684 | 4757 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:07AM1.96m | 9:26PM1.93m | 9:37AM1.85m | 9:55PM1.72m | 10:11AM1.71m | ||||||||||||||||
Low Tide | 3:20PM0.25m | 3:38AM0.41m | 3:56PM0.45m | 4:08AM0.58m | 4:37PM0.67m | ||||||||||||||||
 |  |  | |  |  |  | |  |  | | |  |  | | | |  | | | | |
 | 6:58 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:39 | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | 1 | 1 | — | — |
Temp °C | 15 | 15 | 15 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 12 |
Feels °C | 11 | 9 | 10 | 8 | 8 | 8 | 8 | 8 | 8 | 11 | 11 | 9 | 9 | 8 | 6 | 6 | 4 | 5 | 5 | 4 | 5 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | N 9 | N 9 | WNW 10 | WNW 9 | WNW 10 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 10 | NW 10 | WNW 9 | N 8 | WNW 9 | WNW 10 | NW 11 | — | — | NW 14 | NW 14 |
| kJ | 40 | 2 | 2 | 37 | 34 | 18 | 56 | 117 | 135 | 286 | 192 | 139 | 138 | 5 | 272 | 457 | 777 | — | — | 4684 | 4757 |
Swell 2 Height (m) Direction Period (s) | NW 5 | — | — | — | — | WNW 12 | W 9 | — | — | — | — | — | — | — | N 8 | N 8 | — | — | — | — | — |
| kJ | 6 | — | — | — | — | 15 | 2 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 3 | WNW 10 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | — | SW 2 | SW 2 | SW 3 | WNW 9 | — | — | W 4 | NW 11 | NW 13 | — | — |
| kJ | 3 | 204 | 64 | 67 | 77 | 95 | 96 | 85 | 72 | — | 1 | 2 | 3 | 199 | — | — | 13 | 1327 | 2800 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 399 | 399 | 772 | 1038 | 414 | 414 | 144 | 144 | 150 | 309 | 13 | 331 | 327 | 336 | 343 | 334 | 342 | 1036 | 1036 | 840 | 631 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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