Surf Forecasts:
How big are the waves at Downhill today (27 Sep):
- Morning surf: Morning surf (27 Sep, local time) - 2.5ft (0.8m), 11s period with WNW swell.
- Afternoon surf: Afternoon surf (27 Sep, local time) - 2.5ft (0.7m), 11s period with WNW swell.
- Evening surf: Evening surf (27 Sep, local time) - 3.5ft (1.0m), 12s period with WNW swell.
The current surf forecast for Downhill at 8PM is: 0.9m 12s primary swell from a West-northwest direction and 0.3m 9s secondary swell from a Northwest direction, 0.6m 7s secondary swell from a West-northwest direction (forecast issued at 12:00pm September 27). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | 2.5ft (0.8m) | 11s |
| Afternoon (27 Sep) | 2.5ft (0.7m) | 11s |
| Evening (27 Sep) | 3.5ft (1.0m) | 12s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Tue night. Very mild (max 17°C on Tue night, min 9°C on Sun night). Winds increasing (light winds from the SE on Mon afternoon, strong winds from the SE by Tue night). | |||||||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | |||||||||||||||||||
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 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | NW 11 | WNW 10 | NW 11 | NW 11 | WNW 11 | WNW 11 | NW 10 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 111 | 111 | 115 | 180 | 330 | 275 | 255 | 247 | 243 | 215 | 172 | 166 | 166 | 88 | 126 | 121 | 78 | 44 | 26 | 20 | 10 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off |
High Tide | 7:26PM2.36m | 7:41AM2.13m | 7:59PM2.33m | 8:15AM2.13m | 8:34PM2.23m | ||||||||||||||||
Low Tide | 1:13PM-0.00m | 1:42AM0.01m | 1:45PM-0.00m | 2:12AM0.05m | 2:20PM0.05m | ||||||||||||||||
 |  |  |  |  |  | | |  | | | | |  | | | | | | | | |
 | 7:20 | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — |
 | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:08 | — |
mm | 2 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 11 | 13 | 12 | 11 | 10 | 9 | 9 | 10 | 13 | 15 | 13 | 11 | 11 | 12 | 11 | 13 | 15 | 15 | 15 | 16 |
Feels °C | 9 | 4 | 8 | 6 | 7 | 6 | 5 | 5 | 5 | 9 | 11 | 10 | 6 | 6 | 8 | 6 | 7 | 7 | 8 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | NW 11 | WNW 10 | NW 11 | NW 11 | WNW 11 | WNW 11 | NW 10 | WNW 10 | WNW 10 |
| kJ | 111 | 111 | 115 | 180 | 330 | 275 | 255 | 247 | 243 | 215 | 172 | 166 | 166 | 88 | 126 | 121 | 78 | 44 | 26 | 20 | 10 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 9 | — | E 6 | NNW 8 | N 12 | N 12 | N 11 | — | — | — | NW 12 | — | — | — | N 10 | N 11 | N 11 | N 10 |
| kJ | 35 | 27 | 24 | 13 | — | 1 | 7 | 3 | 3 | 2 | — | — | — | 52 | — | — | — | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | SE 4 | ESE 5 | ESE 4 | NW 9 | SE 6 | N 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 5 | 2 | 3 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | — | WNW 4 | WNW 7 | — | — | SSW 2 | — | — | S 2 | — | — | SE 3 | ESE 3 | ESE 4 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 |
| kJ | 7 | — | 6 | 34 | — | — | 1 | — | — | 1 | — | — | 3 | 8 | 20 | 40 | 74 | 134 | 177 | 171 | 226 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 85 | 273 | 254 | 13 | 13 | 0 | 4 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 118 | 336 | 336 | 340 | 342 | 273 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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