Surf Forecasts:
How big are the waves at Derrynane today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 1ft (0.3m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.4m), 14s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 9s period with WSW swell.
The current surf forecast for Derrynane at 1PM is: 0.4m 14s primary swell from a South-southwest direction and 0.4m 14s secondary swell from a Southwest direction (forecast issued at 06:00am August 20). An open ocean swell of 2.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 1ft (0.3m) | 15s |
| Afternoon (20 Aug) | 1.5ft (0.4m) | 14s |
| Evening (20 Aug) | 2ft (0.6m) | 9s |
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, calm by Sat morning). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | SSW 15 | SSW 15 | SSW 15 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | W 8 | W 9 | W 9 | SW 13 | W 10 | W 10 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 44 | 42 | 42 | 82 | 82 | 81 | 62 | 51 | 48 | 35 | 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 | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | glassy | cross | cross-off | off |
High Tide | 10:35AM2.56m | 11:06PM2.41m | 11:42AM2.41m | 00:29AM2.29m | 1:09PM2.39m | ||||||||||||||||||
Low Tide | 4:06AM1.04m | 4:42PM1.17m | 5:11AM1.27m | 6:08PM1.30m | 6:45AM1.36m | 7:44PM1.26m | |||||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | | | | | | |
 | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 15 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 13 | 12 | 11 | 12 | 15 | 17 | 17 | 16 |
Feels °C | 8 | 10 | 9 | 10 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 10 | 10 | 9 | 8 | 9 | 14 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | WNW 10 | WNW 10 | SW 14 | SSW 14 | WSW 9 | WNW 9 | W 9 | NW 8 | NW 8 | W 9 | W 9 | W 10 | W 10 | W 10 | NW 6 | NW 6 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 44 | 1181 | 1003 | 54 | 82 | 43 | 186 | 39 | 129 | 91 | 39 | 40 | 47 | 47 | 47 | 33 | 26 | 86 | 85 | 85 | 85 | 86 | 86 |
Swell 2 Height (m) Direction Period (s) | — | SSW 15 | SSW 15 | SSW 14 | — | SSW 14 | WSW 9 | SW 14 | W 8 | W 8 | SSW 13 | SSW 13 | SW 13 | SSW 13 | SSW 16 | WSW 9 | SSW 16 | NW 6 | WSW 9 | NW 6 | WSW 9 | WSW 9 | WSW 9 |
| kJ | — | 42 | 42 | 82 | — | 81 | 62 | 51 | 36 | 35 | 35 | 35 | 45 | 35 | 50 | 29 | 94 | 19 | 26 | 12 | 26 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 14 | — | SW 14 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 13 | SSW 16 | WSW 9 | WSW 9 | NW 6 | WSW 9 | SSW 12 | SSW 12 | NW 6 |
| kJ | — | — | — | — | — | — | 52 | — | 48 | 25 | 26 | 26 | 25 | 51 | 34 | 98 | 28 | 27 | 9 | 26 | 14 | 14 | 2 |
Wind waves Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | NW 9 | NNW 4 | NW 8 | — | N 3 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NNE 3 | — | NNE 2 | NNE 2 | — | NW 6 | NNW 4 | N 4 |
| kJ | 1245 | 1657 | 1461 | 763 | 584 | 437 | 21 | 201 | — | 1 | 82 | 75 | 82 | 91 | 54 | 2 | — | 1 | 1 | — | 16 | 12 | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 403 | 416 | 377 | 416 | 904 | 204 | 108 | 44 | 108 | 92 | 108 | 108 | 92 | 92 | 92 | 37 | 0 | 0 | 0 | 0 | 8 | 42 | 0 |
Best forecast wave conditions in Kerry | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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Live Wind Speed (km/h)
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