Surf Forecasts:
How big are the waves at Derrynane today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4.5ft (1.4m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 8ft (2.5m), 13s period with WSW swell.
- Evening surf: Evening surf (20 Oct, local time) - 3.5ft (1.0m), 7s period with SSW swell.
The current surf forecast for Derrynane at 5AM is: 0.1m 11s primary swell from a South direction (forecast issued at 12:00am October 20). An open ocean swell of 1.9m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4.5ft (1.4m) | 5s |
| Afternoon (20 Oct) | 8ft (2.5m) | 13s |
| Evening (20 Oct) | 3.5ft (1.0m) | 7s |
Table - waves today at Derrynane. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 39mm), heaviest during Thu afternoon. Very mild (max 13°C on Thu afternoon, min 9°C on Tue night). Winds increasing (light winds from the ENE on Mon night, gales from the NW by Tue afternoon). | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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) | S 11 | S 11 | S 4 | SSW 5 | SW 7 | WSW 13 | SSW 7 | S 7 | WNW 12 | WNW 12 | WNW 12 | W 12 | S 18 | S 18 | S 18 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | SSW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2 | 2 | 17 | 105 | 143 | 2241 | 108 | 23 | 0 | 0 | 0 | 0 | 6 | 6 | 6 | 2375 | 2762 | 2426 | 2191 | 2079 | 1947 | 1826 | 1482 | 251 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross | cross | cross | off | cross-off |
High Tide | 00:36AM2.27m | 12:56PM2.45m | 1:45AM2.42m | 1:56PM2.62m | 2:35AM2.65m | 2:43PM2.83m | ||||||||||||||||||
Low Tide | 6:46AM1.36m | 7:33PM1.09m | 7:52AM1.18m | 8:22PM0.86m | 8:38AM0.95m | 9:00PM0.61m | ||||||||||||||||||
 |  |  |  |  | | |  | |  | |  | | | | | | | | | |  | | | |
 | — | — | 8:11 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:32 | — | — |
mm | — | — | — | — | 4 | 5 | — | 5 | 2 | 1 | 1 | — | — | 1 | 1 | 1 | — | — | — | — | 4 | 12 | 2 | 3 |
Temp °C | 10 | 10 | 12 | 12 | 12 | 12 | 10 | 9 | 10 | 10 | 11 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 9 |
Feels °C | 7 | 5 | 4 | 4 | 4 | 3 | -5 | -4 | -3 | -3 | -1 | 1 | 4 | 6 | 5 | 5 | 6 | 7 | 9 | 7 | 4 | 4 | 8 | -7 |
Swell 1 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | W 13 | W 13 | — | SSW 7 | S 7 | — | — | — | — | S 18 | W 12 | S 18 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | SSW 9 |
| kJ | 1339 | 1370 | 1266 | 1001 | 848 | — | 108 | 23 | — | — | — | — | 6 | 2877 | 6 | 2375 | 3809 | 2426 | 2191 | 2079 | 1947 | 1826 | 1482 | 251 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | — | SW 7 | — | SSW 7 | — | — | — | — | — | — | S 18 | — | — | — | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 11 |
| kJ | 2 | 2 | 2 | — | 143 | — | 34 | — | — | — | — | — | — | 6 | — | — | — | 5 | 5 | 5 | 5 | 5 | 5 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 4 | SSW 5 | S 5 | WSW 13 | WNW 8 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | — | W 12 | W 12 | W 12 | — | — | — | S 8 | — | N 3 | NW 9 |
| kJ | — | — | 17 | 105 | 134 | 2241 | 2272 | 7113 | 6312 | 5441 | 4641 | 3901 | 3172 | — | 2909 | 2854 | 2762 | — | — | — | 169 | — | 6 | 2725 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 37 | 55 | 327 | 328 | 49 | 220 | 282 | 302 | 399 | 411 | 389 | 426 | 682 | 148 | 148 | 148 | 148 | 37 | 37 | 37 | 302 | 42 | 434 |
Best forecast wave conditions in Kerry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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