Surf Forecasts:
How big are the waves at Pontllyfni today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 0.5ft (0.1m), 12s period with W swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 1.5ft (0.5m), 3s period with NNW swell.
- Evening surf: Evening surf (17 Jul, local time) - 0.5ft (0.1m), 13s period with SW swell.
The current surf forecast for Pontllyfni at 4PM is: 0.5m 4s primary swell from a North-northwest direction and 0.1m 6s secondary swell from a Southwest direction, 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00pm July 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 0.5ft (0.1m) | 12s |
| Afternoon (17 Jul) | 1.5ft (0.5m) | 3s |
| Evening (17 Jul) | 0.5ft (0.1m) | 13s |
Table - waves today at Pontllyfni. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Fri morning, min 12°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||
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) | SW 6 | W 12 | NNW 4 | NNW 3 | SW 13 | SW 13 | W 11 | NNW 3 | NNW 3 | NNW 4 | NNW 4 | NNW 4 | N 6 | W 11 | W 11 | W 11 | NNW 4 | — | NW 3 | NNW 3 | NNW 3 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 4 | 7 | 7 | 6 | 6 | 2 | 3 | 7 | 19 | 20 | 16 | 15 | 2 | 2 | 2 | 0 | 0 | 2 | 1 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | glassy | glassy | on | on | on | cross-on | cross-on |
High Tide | 11:25AM3.56m | 11:43PM4.09m | 12:11PM3.41m | 00:29AM3.90m | 12:57PM3.23m | ||||||||||||||||
Low Tide | 6:25PM0.15m | 7:00AM-0.10m | 7:08PM0.30m | 7:44AM0.13m | 7:51PM0.51m | ||||||||||||||||
 |  |  | |  | | | | | | | | |  | | | | | | | | |
 | 5:11 | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | 9:34 | — | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:31 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 21 | 20 | 19 | 16 | 15 | 13 | 12 | 15 | 16 | 18 | 17 | 16 | 16 | 15 | 15 | 17 | 17 | 17 | 18 | 15 |
Feels °C | 17 | 17 | 15 | 16 | 14 | 13 | 12 | 10 | 12 | 12 | 15 | 15 | 14 | 14 | 14 | 14 | 16 | 15 | 15 | 16 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | S 5 | S 5 | W 11 | NW 5 | NNW 5 | NNW 4 | NNW 4 | — | — | — | — |
| kJ | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 6 | 4 | 2 | 2 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | W 12 | SW 12 | SW 13 | SW 13 | SW 13 | W 11 | W 11 | — | — | — | W 11 | S 5 | W 11 | W 11 | — | — | — | — | — | — |
| kJ | — | 3 | 6 | 6 | 6 | 6 | 2 | 3 | — | — | — | 2 | 1 | 2 | 2 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | NNW 4 | NNW 3 | NNW 3 | N 3 | NNW 3 | NNW 3 | NNW 3 | NNW 4 | NNW 4 | NNW 4 | N 6 | — | — | — | — | — | NW 3 | NNW 3 | NNW 3 |
| kJ | 1 | 4 | 7 | 7 | 2 | 1 | 1 | 2 | 7 | 19 | 20 | 16 | 15 | — | — | — | — | — | 2 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 330 | 607 | 615 | 955 | 335 | 290 | 293 | 291 | 291 | 50 | 291 | 291 | 291 | 291 | 277 | 283 | 291 | 291 | 334 | 291 | 276 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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