Surf Forecasts:
How big are the waves at Derrynane today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 7.5ft (2.3m), 8s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 11ft (3.5m), 12s period with W swell.
- Evening surf: Evening surf (18 Sep, local time) - 11ft (3.5m), 11s period with W swell.
The current surf forecast for Derrynane at 12PM is: 2.4m 8s primary swell from a West-southwest direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 06:00am September 18). An open ocean swell of 2.1m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 7.5ft (2.3m) | 8s |
| Afternoon (18 Sep) | 11ft (3.5m) | 12s |
| Evening (18 Sep) | 11ft (3.5m) | 11s |
Table - waves today at Derrynane. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Fri morning. Very mild (max 18°C on Sun night, min 13°C on Sat night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Sat night). | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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 18 | SW 18 | WSW 8 | WSW 8 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | SSW 16 | W 11 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 7 | 12 | 620 | 804 | 3103 | 2678 | 2752 | 2558 | 2248 | 1933 | 1762 | 24 | 1045 | 21 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 18 | 18 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | glassy | cross-off | cross | cross | cross | cross |
High Tide | 9:45AM2.55m | 10:21PM2.36m | 10:53AM2.37m | 11:48PM2.22m | 12:27PM2.33m | ||||||||||||||||||
Low Tide | 3:51PM1.17m | 4:15AM1.34m | 5:18PM1.34m | 6:00AM1.45m | 7:13PM1.30m | ||||||||||||||||||
 | |  |  | | | |  | |  |  |  | | | | | | | | | | | | |
 | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — |
 | — | — | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:45 | — |
mm | — | — | 3 | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 17 | 16 | 16 | 16 | 16 | 17 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 14 | 15 | 16 | 17 |
Feels °C | 9 | 9 | 9 | 11 | 10 | 11 | 11 | 12 | 12 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 11 | 12 | 12 | 11 | 11 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | W 13 | WNW 13 | WNW 12 | SW 12 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | W 11 | W 11 | W 11 | W 11 | W 11 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 3609 | 3150 | 1569 | 1281 | 6 | 23 | 25 | 25 | 25 | 25 | 25 | 1762 | 1708 | 1751 | 1672 | 1605 | 1535 | 1389 | 1252 | 1124 | 1023 | 926 | 849 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 18 | SW 12 | SW 18 | S 12 | W 15 | S 12 | SW 12 | SW 12 | SW 12 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 7 | 6 | 12 | 6 | 12 | 3 | 4 | 3 | 6 | 6 | 5 | 24 | 23 | 21 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | S 18 | SW 18 | — | SW 18 | S 15 | — | S 12 | — | — | — | — | SW 12 | SW 11 | S 11 | SW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 |
| kJ | 6 | 12 | — | 12 | 4 | — | 3 | — | — | — | — | 5 | 5 | 2 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | W 13 | WSW 8 | WSW 8 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | — | W 11 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2323 | 620 | 804 | 3103 | 2678 | 2752 | 2558 | 2248 | 1933 | 1762 | — | 1045 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 544 | 55 | 544 | 55 | 55 | 55 | 55 | 554 | 554 | 574 | 574 | 148 | 554 | 55 | 55 | 49 | 37 | 37 | 37 | 37 | 51 | 54 | 51 |
Best forecast wave conditions in Kerry | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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