Surf Forecasts:
How big are the waves at Derrynane today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 5ft (1.5m), 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 6PM is: 1.0m 7s primary swell from a South-southwest direction (forecast issued at 12:00pm October 20). An open ocean swell of 4.0m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 5ft (1.5m) | 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 44mm), heaviest during Thu night. Very mild (max 13°C on Tue afternoon, min 9°C on Thu night). Winds increasing (light winds from the S on Thu morning, gales from the NNW by Thu night). | |||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||
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 5 | SW 7 | WSW 13 | SSW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | S 18 | S 18 | S 18 | W 12 | W 12 | W 11 | WSW 11 | WSW 11 | SSW 8 | W 11 | W 11 | SSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 113 | 173 | 2065 | 102 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 6 | 3038 | 3027 | 2574 | 1356 | 1176 | 91 | 1575 | 1280 | 86 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off |
High Tide | 12:56PM2.45m | 1:45AM2.42m | 1:56PM2.62m | 2:35AM2.65m | 2:43PM2.83m | ||||||||||||||||
Low Tide | 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 | — | 3 | 4 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 6 | 6 | 9 |
Temp °C | 12 | 12 | 13 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 10 | 12 | 12 | 12 | 13 | 12 | 13 | 12 | 12 | 10 | 9 |
Feels °C | 4 | 5 | 9 | -3 | -2 | -3 | -3 | -1 | 1 | 4 | 6 | 5 | 4 | 4 | 7 | 8 | 9 | 6 | 6 | 4 | -3 |
Swell 1 Height (m) Direction Period (s) | W 13 | W 13 | S 7 | SSW 7 | — | — | — | — | — | S 18 | W 12 | S 18 | — | — | WNW 12 | WSW 11 | WSW 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 1001 | 848 | 171 | 102 | — | — | — | — | — | 6 | 3015 | 6 | — | — | 2062 | 1356 | 1176 | 1595 | 1575 | 1280 | 976 |
Swell 2 Height (m) Direction Period (s) | — | SW 7 | — | — | — | — | — | — | — | — | S 18 | — | — | — | S 16 | WNW 12 | WNW 12 | SSW 8 | S 16 | S 16 | SSW 8 |
| kJ | — | 173 | — | — | — | — | — | — | — | — | 6 | — | — | — | 5 | 876 | 838 | 91 | 5 | 5 | 86 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 18 | — | — | — | — | S 16 | S 16 | S 16 | S 16 | — | S 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | 5 | 5 | 5 | 5 | — | 5 |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSE 5 | WSW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | — | W 12 | W 12 | W 12 | W 11 | — | — | — | — | NNE 3 | NNW 6 |
| kJ | 113 | 102 | 2065 | 4360 | 7776 | 7059 | 6345 | 5089 | 4076 | 3504 | — | 2863 | 3038 | 3027 | 2574 | — | — | — | — | 11 | 151 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 325 | 54 | 56 | 187 | 282 | 310 | 385 | 437 | 448 | 683 | 680 | 225 | 148 | 148 | 148 | 54 | 37 | 37 | 37 | 282 | 108 |
Best forecast wave conditions in Kerry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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