Surf Forecasts:
How big are the waves at Trefor today (17 Jun):
- Morning surf: Morning surf (17 Jun, local time) - 0.5ft (0.1m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (17 Jun, local time) - 0.5ft (0.1m), 12s period with SW swell.
- Evening surf: Evening surf (17 Jun, local time) - 0.5ft (0.2m), 10s period with WSW swell.
The current surf forecast for Trefor at 5PM is: 0.2m 10s primary swell from a West-southwest direction (forecast issued at 12:00pm June 17). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jun) | 0.5ft (0.1m) | 12s |
| Afternoon (17 Jun) | 0.5ft (0.1m) | 12s |
| Evening (17 Jun) | 0.5ft (0.2m) | 10s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Thu morning. Very mild (max 18°C on Fri morning, min 13°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 12 | WSW 10 | SW 5 | WSW 10 | SW 10 | SW 7 | WSW 9 | WSW 9 | SW 9 | SW 6 | SW 6 | SW 6 | SW 6 | W 11 | SSW 6 | W 11 | SSW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 5 | 5 | 10 | 0 | 10 | 4 | 12 | 9 | 9 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 128 | 157 | 226 | 159 | 119 | 71 | 62 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off |
High Tide | 10:49AM3.69m | 11:09PM4.03m | 11:40AM3.51m | 11:59PM3.92m | 12:32PM3.28m | 00:52AM3.75m | ||||||||||||||||||
Low Tide | 5:58PM0.22m | 6:32AM-0.08m | 6:46PM0.32m | 7:23AM0.03m | 7:35PM0.48m | |||||||||||||||||||
 |  | | |  |  | |  |  | |  | | | |  | | | | | |  | | | | |
 | 4:50 | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — |
 | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — | — | — | 9:46 |
mm | — | — | — | — | — | — | — | — | 1 | 3 | 3 | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — |
Temp °C | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 18 | 17 | 15 | 14 | 13 | 13 | 13 |
Feels °C | 11 | 12 | 11 | 11 | 11 | 12 | 12 | 12 | 11 | 12 | 13 | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 12 | 12 | 12 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | WSW 10 | — | WSW 10 | SW 10 | SW 7 | SW 6 | WSW 7 | SW 9 | — | — | — | — | — | — | W 11 | — | — | — | — | SW 7 | SW 7 | SW 7 |
| kJ | 5 | 5 | 10 | — | 10 | 4 | 12 | 6 | 5 | 3 | — | — | — | — | — | — | 2 | — | — | — | — | 75 | 71 | 62 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SW 10 | SW 10 | WSW 9 | WSW 9 | — | — | — | — | — | W 11 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 4 | 4 | 9 | 9 | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 | SW 5 | SW 5 | SSW 4 | SSW 4 | SSW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 7 | SW 7 | SW 7 | — | — |
| kJ | 40 | 40 | 55 | 72 | 76 | 52 | 29 | 25 | 35 | 69 | 122 | 116 | 80 | 66 | 61 | 81 | 104 | 128 | 157 | 226 | 159 | 119 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 276 | 276 | 290 | 260 | 154 | 154 | 154 | 201 | 201 | 201 | 276 | 223 | 154 | 154 | 154 | 154 | 260 | 173 | 268 | 276 | 108 | 121 | 93 | 160 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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