Surf Forecasts:
How big are the waves at Porth Dinllaen today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 4.5ft (1.3m), 6s period with WSW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.1m), 5s period with WSW swell.
- Evening surf: Evening surf (15 Sep, local time) - 2ft (0.6m), 5s period with SW swell.
The current surf forecast for Porth Dinllaen at 7AM is: 1.3m 6s primary swell from a West-southwest direction (forecast issued at 12:00am September 15). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 4.5ft (1.3m) | 6s |
| Afternoon (15 Sep) | 3.5ft (1.1m) | 5s |
| Evening (15 Sep) | 2ft (0.6m) | 5s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Mon night. Very mild (max 18°C on Mon night, min 13°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||||
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) | SW 6 | SW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | SW 5 | SW 5 | NW 5 | NW 5 | NW 5 | WNW 5 | WNW 5 | W 5 | W 4 | WSW 4 | SW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | W 5 | W 5 | W 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 228 | 175 | 118 | 95 | 78 | 69 | 34 | 23 | 35 | 66 | 60 | 69 | 52 | 29 | 18 | 28 | 92 | 164 | 170 | 144 | 94 | 88 | 104 | 108 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:26PM3.86m | 11:43AM3.58m | 00:03AM3.56m | 12:18PM3.35m | 00:40AM3.22m | 12:55PM3.08m | ||||||||||||||||||
Low Tide | 6:26AM0.35m | 6:37PM0.46m | 6:57AM0.68m | 7:12PM0.74m | 7:30AM1.00m | 7:51PM1.03m | ||||||||||||||||||
 |  |  |  | |  | | |  |  |  | | | | |  |  | | | | | | | | |
 | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:30 | — |
mm | 6 | 5 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 3 | 2 | — | — | — | — | — | — |
Temp °C | 17 | 17 | 15 | 14 | 15 | 16 | 16 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 14 |
Feels °C | 12 | 13 | 11 | 8 | 9 | 12 | 11 | 10 | 7 | 6 | 7 | 8 | 9 | 10 | 9 | 9 | 7 | 9 | 9 | 7 | 7 | 8 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | W 11 | NW 5 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 34 | 23 | 15 | 17 | 9 | 8 | 7 | 2 | 11 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 11 | W 11 | W 11 | — | SW 11 | SW 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 2 | 2 | 2 | — | 5 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | NW 5 | NW 4 | NW 5 | NW 5 | NW 5 | WNW 5 | WNW 5 | W 5 | W 4 | WSW 4 | SW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | W 5 | W 5 | W 5 |
| kJ | 228 | 175 | 118 | 95 | 78 | 69 | 22 | 16 | 35 | 66 | 60 | 69 | 52 | 29 | 18 | 28 | 92 | 164 | 170 | 144 | 94 | 88 | 104 | 108 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 265 | 146 | 13 | 510 | 566 | 510 | 1062 | 142 | 142 | 288 | 157 | 157 | 288 | 287 | 282 | 298 | 307 | 265 | 298 | 308 | 801 | 801 | 510 | 142 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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