Surf Forecasts:
How big are the waves at Derrynane today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 9s period with W swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.4m), 13s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 10s period with W swell.
The current surf forecast for Derrynane at 1AM is: 0.6m 9s primary swell from a West direction (forecast issued at 06:00pm August 20). An open ocean swell of 1.1m 8s is not directed at the surf break, a second open ocean swell of 1.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 9s |
| Afternoon (21 Aug) | 1.5ft (0.4m) | 13s |
| Evening (21 Aug) | 1.5ft (0.5m) | 10s |
Table - waves today at Derrynane. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 11°C on Fri night). Winds decreasing (fresh winds from the NNW on Thu afternoon, light winds from the ENE by Sat night). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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) | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | W 8 | W 9 | W 9 | SW 13 | W 10 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 82 | 81 | 62 | 55 | 48 | 34 | 39 | 40 | 47 | 51 | 50 | 98 | 94 | 86 | 85 | 85 | 85 | 86 | 86 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 11:06PM2.41m | 11:42AM2.41m | 00:29AM2.29m | 1:09PM2.39m | |||||||||||||||
Low Tide | 4:42PM1.17m | 5:11AM1.27m | 6:08PM1.30m | 6:45AM1.36m | 7:44PM1.26m | ||||||||||||||
 | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | 8:53 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 16 | 16 | 15 | 14 | 13 | 12 | 11 | 13 | 15 | 17 | 17 | 15 |
Feels °C | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 11 | 10 | 10 | 10 | 10 | 8 | 8 | 10 | 13 | 14 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WSW 9 | WNW 9 | NW 8 | NW 8 | NW 8 | NW 8 | W 9 | W 10 | W 10 | WSW 10 | NW 7 | NW 6 | NW 6 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 433 | 43 | 202 | 177 | 109 | 93 | 84 | 40 | 47 | 47 | 31 | 44 | 20 | 19 | 85 | 85 | 85 | 86 | 86 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | WSW 9 | W 9 | W 8 | W 8 | W 9 | SSW 13 | SW 13 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 |
| kJ | 82 | 81 | 62 | 55 | 35 | 34 | 39 | 35 | 45 | 35 | 50 | 98 | 94 | 86 | 26 | 26 | 26 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | SW 14 | SW 14 | SW 14 | SSW 16 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | SSW 13 | WSW 9 | WSW 9 | WSW 9 | NW 6 | NW 6 | SSW 12 | SSW 12 | W 10 |
| kJ | — | — | 52 | 51 | 48 | 25 | 35 | 26 | 25 | 51 | 34 | 29 | 28 | 27 | 10 | 9 | 14 | 14 | 2 |
Wind waves Height (m) Direction Period (s) | NNW 4 | NW 9 | NNW 4 | NW 8 | — | N 3 | — | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NNE 3 | NNE 3 | NNE 2 | — | NW 6 | NW 4 | NNW 4 |
| kJ | 19 | 365 | 16 | 338 | — | 1 | — | 64 | 94 | 91 | 54 | 85 | 3 | 1 | 1 | — | 20 | 15 | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 904 | 92 | 92 | 108 | 108 | 84 | 108 | 108 | 92 | 92 | 92 | 8 | 0 | 0 | 0 | 0 | 0 | 42 | 0 |
Best forecast wave conditions in Kerry | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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