Surf Forecasts:
How big are the waves at Portballintrae today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 1ft (0.3m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 0.5ft (0.2m), 9s period with W swell.
- Evening surf: Evening surf (17 Aug, local time) - 0.5ft (0.2m), 5s period with W swell.
The current surf forecast for Portballintrae at 6AM is: 0.3m 10s primary swell from a West-northwest direction and 0.4m 7s secondary swell from a Northwest direction (forecast issued at 12:00am August 17). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 1ft (0.3m) | 9s |
| Afternoon (17 Aug) | 0.5ft (0.2m) | 9s |
| Evening (17 Aug) | 0.5ft (0.2m) | 5s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Mon afternoon. Very mild (max 16°C on Mon morning, min 12°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
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) | WNW 10 | WNW 10 | WNW 10 | WNW 9 | NW 7 | NW 6 | NW 6 | W 5 | WNW 8 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 9 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 18 | 19 | 18 | 16 | 7 | 6 | 6 | 2 | 11 | 33 | 28 | 47 | 70 | 141 | 359 | 556 | 486 | 441 | 480 | 499 | 450 | 412 | 352 | 216 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-off | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 10:16AM1.74m | 10:41PM1.84m | 11:02AM1.60m | 11:37PM1.64m | 12:07PM1.48m | |||||||||||||||||||
Low Tide | 4:27AM0.58m | 4:01PM0.43m | 5:16AM0.74m | 4:48PM0.64m | 6:21AM0.89m | 5:50PM0.86m | ||||||||||||||||||
 | |  | |  | |  |  | | | | | | |  |  | | | | | | |  | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:55 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:52 | — |
mm | — | — | — | — | 1 | 1 | 9 | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | 3 | — |
Temp °C | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 15 | 13 | 13 | 13 | 13 | 12 | 14 | 15 | 15 | 13 |
Feels °C | 15 | 15 | 14 | 15 | 15 | 15 | 13 | 14 | 13 | 12 | 11 | 10 | 12 | 12 | 10 | 9 | 9 | 8 | 9 | 8 | 12 | 14 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | WNW 8 | — | WNW 7 | — | — | — | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 |
| kJ | 18 | 17 | 7 | 7 | 7 | 6 | 6 | 1 | 11 | — | 11 | — | — | — | 359 | 556 | 486 | 441 | 480 | 499 | 450 | 412 | 352 | 216 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 9 | W 9 | W 8 | W 8 | W 5 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 18 | 19 | 18 | 16 | 6 | 6 | 5 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | — | W 8 | N 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 3 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 9 | — | — | — | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | — | — |
| kJ | — | — | — | — | — | — | — | — | 5 | 33 | 28 | 47 | 70 | 141 | — | — | — | 3 | 6 | 3 | 2 | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 52 | 52 | 52 | 53 | 53 | 52 | 53 | 331 | 331 | 347 | 347 | 298 | 388 | 388 | 388 | 7 | 7 | 331 | 3 | 3 | 0 | 0 | 0 | 52 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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