Surf Forecasts:
How big are the waves at Downhill today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 5.5ft (1.7m), 11s period with NW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 6.5ft (2.0m), 11s period with NW swell.
- Evening surf: Evening surf (19 Sep, local time) - 7ft (2.2m), 12s period with NW swell.
The current surf forecast for Downhill at 3AM is: 1.7m 11s primary swell from a Northwest direction and 0.4m 3s secondary swell from a West-southwest direction (forecast issued at 12:00am September 19). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 5.5ft (1.7m) | 11s |
| Afternoon (19 Sep) | 6.5ft (2.0m) | 11s |
| Evening (19 Sep) | 7ft (2.2m) | 12s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Warm (max 22°C on Mon afternoon, min 12°C on Sat night). Winds decreasing (fresh winds from the WSW on Sat morning, light winds from the W by Sun afternoon). | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
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 11 | NW 11 | NW 11 | NW 11 | WNW 11 | NW 11 | NW 11 | WNW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 12 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 752 | 676 | 617 | 663 | 1037 | 935 | 1172 | 1379 | 1447 | 1420 | 1302 | 1022 | 836 | 729 | 606 | 583 | 653 | 473 | 361 | 303 | 250 | 176 | 169 | 117 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 11:12PM1.33m | 12:17PM1.39m | 1:39AM1.21m | 3:22PM1.42m | 3:58AM1.31m | 4:26PM1.59m | ||||||||||||||||||
Low Tide | 5:51AM0.90m | 7:38PM0.98m | 8:03AM0.93m | 9:51PM0.90m | 9:46AM0.80m | |||||||||||||||||||
 |  | |  |  | | | | | | | |  | | |  | |  | | | | | | | |
 | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
Temp °C | 14 | 13 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 17 | 20 | 22 | 21 | 19 |
Feels °C | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 6 | 7 | 7 | 9 | 12 | 8 | 8 | 8 | 12 | 16 | 18 | 21 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | — | NW 11 | NW 11 | WNW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 12 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 |
| kJ | 752 | 676 | 617 | 663 | — | 935 | 1172 | 1379 | 1447 | 1420 | 1302 | 1022 | 836 | 729 | 606 | 583 | 653 | 473 | 361 | 303 | 250 | 176 | 169 | 117 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 3 | WSW 3 | W 4 | WNW 11 | W 4 | SW 4 | SW 4 | SSW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 8 | 18 | 1037 | 21 | 4 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 752 | 752 | 743 | 803 | 781 | 541 | 379 | 379 | 363 | 338 | 385 | 382 | 169 | 159 | 6 | 0 | 4 | 4 | 4 | 13 | 13 | 4 | 4 | 0 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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