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) - 7ft (2.1m), 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 1PM is: 1.9m 11s primary swell from a Northwest direction and 0.8m 4s secondary swell from a West direction (forecast issued at 06:00am September 19). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 5.5ft (1.7m) | 11s |
| Afternoon (19 Sep) | 7ft (2.1m) | 11s |
| Evening (19 Sep) | 7ft (2.2m) | 12s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), 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 | |||||||||||||||||||||
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 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 12 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 676 | 676 | 725 | 860 | 1110 | 1234 | 1346 | 1324 | 1521 | 1302 | 1004 | 882 | 729 | 617 | 603 | 653 | 473 | 361 | 309 | 220 | 176 | 169 | 115 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off |
High Tide | 12:17PM1.39m | 1:39AM1.21m | 3:22PM1.42m | 3:58AM1.31m | 4:26PM1.59m | ||||||||||||||||||
Low Tide | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — |
Temp °C | 13 | 14 | 13 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 14 | 17 | 20 | 22 | 21 | 19 |
Feels °C | 8 | 9 | 6 | 7 | 7 | 5 | 5 | 4 | 5 | 6 | 7 | 7 | 9 | 12 | 10 | 8 | 8 | 12 | 15 | 18 | 21 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 12 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 |
| kJ | 676 | 676 | 725 | 860 | 1110 | 1234 | 1346 | 1324 | 1521 | 1302 | 1004 | 882 | 729 | 617 | 603 | 653 | 473 | 361 | 309 | 220 | 176 | 169 | 115 |
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 | W 4 | — | SW 4 | — | W 4 | — | — | — | — | — | — | — | — | — | — | — | SW 2 | WSW 2 | — | — |
| kJ | 4 | 8 | 20 | 19 | — | 4 | — | 19 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 743 | 752 | 803 | 781 | 781 | 379 | 331 | 363 | 385 | 385 | 338 | 159 | 159 | 0 | 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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