Surf Forecasts:
How big are the waves at Whistling Sands (Porth Oer) today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3.5ft (1.1m), 6s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 6s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 6s period with WSW swell.
The current surf forecast for Whistling Sands (Porth Oer) at 8AM is: 1.0m 6s primary swell from a Southwest direction and 0.5m 4s secondary swell from a Northwest direction (forecast issued at 12:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 3.5ft (1.1m) | 6s |
| Afternoon (18 Aug) | 2ft (0.6m) | 6s |
| Evening (18 Aug) | 2ft (0.6m) | 6s |
Table - waves today at Whistling Sands (Porth Oer). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Mon night. Very mild (max 19°C on Mon night, min 14°C on Tue night). Winds increasing (light winds from the SW on Tue afternoon, fresh winds from the N by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 5 | WSW 5 | SW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 5 | SW 5 | SW 6 | SW 6 | WSW 6 | WSW 7 | SW 6 | SW 7 | NNW 5 | N 6 | N 6 | N 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 60 | 52 | 78 | 90 | 45 | 30 | 23 | 27 | 15 | 40 | 42 | 40 | 42 | 96 | 133 | 120 | 113 | 91 | 61 | 52 | 105 | 205 | 72 | 27 |
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 | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 00:20AM3.91m | 12:40PM3.48m | 1:01AM3.53m | 1:22PM3.21m | 1:46AM3.14m | 2:11PM2.93m | ||||||||||||||||||
Low Tide | 7:13AM0.62m | 7:20PM0.79m | 7:48AM0.95m | 7:59PM1.07m | 8:27AM1.25m | 8:50PM1.34m | ||||||||||||||||||
 |  |  |  | | | | | |  |  | | | |  |  | | |  | | | | |  | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:39 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:35 | — |
mm | 2 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 2 | 1 | 1 | 2 | 1 | — | — | — | — |
Temp °C | 19 | 18 | 16 | 16 | 16 | 17 | 18 | 15 | 15 | 14 | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 14 | 15 | 15 |
Feels °C | 17 | 15 | 13 | 13 | 13 | 15 | 15 | 12 | 11 | 9 | 11 | 10 | 10 | 10 | 12 | 14 | 13 | 12 | 9 | 9 | 9 | 7 | 10 | 12 |
Swell 1 Height (m) Direction Period (s) | W 17 | W 16 | SW 6 | — | NW 4 | NW 4 | NW 4 | W 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | NW 4 | SW 16 | SW 16 | SW 16 | SW 15 | SW 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 5 | 5 | 78 | — | 9 | 9 | 4 | 5 | 11 | 11 | 11 | 10 | 10 | 1 | 9 | 10 | 10 | 9 | 61 | 52 | 34 | 21 | 11 | 10 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 16 | SW 16 | W 16 | — | W 17 | — | — | — | W 16 | — | — | — | — | — | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | — | — | — | — | 5 | 11 | 5 | — | 6 | — | — | — | 5 | — | — | — | — | — | 9 | 8 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | WSW 5 | NW 4 | WSW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 5 | SW 5 | SW 6 | SW 6 | WSW 6 | WSW 7 | NW 4 | NW 4 | NNW 5 | N 6 | N 6 | N 5 |
| kJ | 60 | 52 | 6 | 90 | 45 | 30 | 23 | 27 | 15 | 40 | 42 | 40 | 42 | 96 | 133 | 120 | 113 | 91 | 9 | 27 | 105 | 205 | 72 | 27 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 499 | 371 | 130 | 15 | 359 | 638 | 499 | 292 | 147 | 150 | 149 | 288 | 288 | 288 | 281 | 281 | 15 | 15 | 130 | 130 | 130 | 178 | 149 | 145 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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