Surf Forecasts:
How big are the waves at Portballintrae today (20 Oct):
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4.5ft (1.3m), 15s period with NW swell.
- Evening surf: Evening surf (20 Oct, local time) - 5ft (1.6m), 14s period with NW swell.
The current surf forecast for Portballintrae at 12AM is: 1.6m 14s primary swell from a Northwest direction (forecast issued at 06:00pm October 19). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | - | - |
| Afternoon (20 Oct) | 4.5ft (1.3m) | 15s |
| Evening (20 Oct) | 5ft (1.6m) | 14s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Wed afternoon. Very mild (max 12°C on Mon afternoon, min 6°C on Wed night). Mainly strong winds. | |||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||
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) | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NW 10 | NW 9 | NW 13 | NW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 868 | 1006 | 992 | 951 | 816 | 711 | 642 | 501 | 486 | 501 | 437 | 424 | 494 | 694 | 754 | 1192 | 1070 | 757 | 746 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | glassy | cross-on | cross-on | on | on | on | on |
High Tide | 3:24PM1.80m | 4:23AM1.50m | 4:10PM1.86m | 5:07AM1.57m | 4:46PM1.94m | ||||||||||||||
Low Tide | 10:14PM1.10m | 9:51AM1.12m | 11:02PM1.01m | 10:34AM1.03m | |||||||||||||||
 |  |  | |  | |  |  | |  | | | | | |  | | | | |
 | — | — | — | — | — | 8:03 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — |
 | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 | 2 | — | — |
Temp °C | 11 | 12 | 11 | 10 | 9 | 9 | 10 | 12 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 9 | 10 | 9 |
Feels °C | 7 | 8 | 8 | 7 | 4 | 4 | 4 | 7 | 5 | 7 | 8 | 8 | 7 | 7 | 7 | 4 | 0 | 1 | 1 |
Swell 1 Height (m) Direction Period (s) | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | — | NW 14 | NW 13 | NW 13 |
| kJ | 868 | 1006 | 992 | 951 | 816 | 711 | 642 | 501 | 486 | 501 | 437 | 424 | 494 | 694 | 754 | — | 465 | 757 | 746 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | ESE 4 | SE 4 | SE 3 | SE 3 | SE 4 | SE 4 | SE 3 | — | — | — | — | — | NW 10 | NW 9 | NW 8 | NW 8 |
| kJ | 4 | 6 | 7 | 5 | 4 | 4 | 7 | 12 | 7 | 2 | — | — | — | — | — | 1192 | 1070 | 579 | 354 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 52 | 0 | 0 | 0 | 0 | 0 | 137 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 151 | 249 | 201 | 201 |
Best forecast wave conditions in Antrim | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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