Surf Forecasts:
How big are the waves at Downhill today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 3ft (0.9m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 3ft (0.9m), 8s period with NW swell.
- Evening surf: Evening surf (11 Sep, local time) - 2.5ft (0.7m), 12s period with NW swell.
The current surf forecast for Downhill at 5PM is: 0.9m 9s primary swell from a Northwest direction and 0.4m 12s secondary swell from a Northwest direction (forecast issued at 12:00pm September 11). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 3ft (0.9m) | 7s |
| Afternoon (11 Sep) | 3ft (0.9m) | 8s |
| Evening (11 Sep) | 2.5ft (0.7m) | 12s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Fri night. Very mild (max 18°C on Sat morning, min 11°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||
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 7 | NW 8 | NW 8 | NW 9 | NW 12 | NW 13 | NW 13 | NW 13 | NW 12 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 77 | 115 | 118 | 132 | 164 | 553 | 609 | 649 | 677 | 777 | 790 | 741 | 565 | 546 | 427 | 298 | 293 | 220 | 170 | 136 | 113 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 7:01AM2.04m | 7:20PM2.47m | 7:34AM2.07m | 7:54PM2.42m | 8:06AM2.08m | 8:26PM2.30m | |||||||||||||||
Low Tide | 1:03PM-0.08m | 1:41AM-0.03m | 1:38PM-0.10m | 2:12AM0.01m | 2:12PM-0.04m | ||||||||||||||||
 |  | |  |  |  | |  |  | | | |  |  | | | | | | | | |
 | 6:50 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:51 | — |
mm | — | — | — | — | — | 1 | 5 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 16 | 16 | 13 | 13 | 13 | 16 | 17 | 18 | 15 | 14 | 13 | 12 | 12 | 11 | 12 | 14 | 17 | 17 | 16 |
Feels °C | 11 | 13 | 13 | 13 | 9 | 8 | 8 | 13 | 14 | 15 | 13 | 12 | 12 | 11 | 11 | 10 | 11 | 13 | 16 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 8 | NW 8 | NW 9 | NW 9 | NW 13 | NW 13 | NW 13 | NW 12 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 |
| kJ | 77 | 115 | 118 | 132 | 126 | 553 | 609 | 649 | 677 | 777 | 790 | 741 | 565 | 546 | 427 | 298 | 293 | 220 | 170 | 136 | 113 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | — | NW 11 | NW 12 | NW 12 | NW 13 | — | — | ESE 4 | — | — | — | — | — | — | — | — | — | N 17 | N 16 | N 15 |
| kJ | 28 | — | 20 | 67 | 164 | 242 | — | — | 2 | — | — | — | — | — | — | — | — | — | 5 | 5 | 18 |
Swell 3 Height (m) Direction Period (s) | W 10 | — | — | NW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | — | — | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 2 | S 3 | S 4 | SW 3 | W 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | 4 | 6 | 3 | 5 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 11 | 4 | 0 | 4 | 4 | 385 | 385 | 13 | 184 | 74 | 127 | 127 | 24 | 13 | 4 | 0 | 0 | 0 | 0 | 4 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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