Surf Forecasts:
How big are the waves at Jeffs Left today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3ft (0.9m), 6s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 1.5ft (0.5m), 6s period with WSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 1.5ft (0.5m), 4s period with W swell.
The current surf forecast for Jeffs Left at 4AM is: 0.8m 5s primary swell from a West-southwest direction (forecast issued at 12:00am August 18). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 3ft (0.9m) | 6s |
| Afternoon (18 Aug) | 1.5ft (0.5m) | 6s |
| Evening (18 Aug) | 1.5ft (0.5m) | 4s |
Table - waves today at Jeffs Left. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon night. Very mild (max 18°C on Mon night, min 14°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
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) | WSW 5 | WSW 5 | W 4 | W 6 | W 4 | WSW 6 | WSW 6 | W 4 | WSW 4 | W 4 | W 4 | W 4 | W 4 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | W 4 | WSW 5 | WSW 6 | NNW 5 | NNW 5 | W 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 33 | 33 | 31 | 63 | 23 | 20 | 20 | 7 | 9 | 21 | 22 | 22 | 25 | 37 | 107 | 77 | 55 | 60 | 26 | 18 | 23 | 72 | 42 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | cross | cross-off | cross-off |
High Tide | 00:09AM4.13m | 12:29PM3.69m | 00:50AM3.72m | 1:10PM3.39m | 1:34AM3.30m | 1:58PM3.07m | ||||||||||||||||||
Low Tide | 7:10AM0.70m | 7:13PM0.88m | 7:40AM1.04m | 7:48PM1.16m | 8:15AM1.34m | 8:36PM1.43m | ||||||||||||||||||
 |  |  |  | |  | | | |  |  | | | | | | | | | | | | |  | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:31 | — |
mm | 5 | — | — | — | — | — | — | 2 | 2 | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | 2 | 2 | 1 | — | — | — |
Temp °C | 17 | 18 | 17 | 16 | 17 | 17 | 18 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 15 | 16 | 16 | 14 | 13 |
Feels °C | 14 | 16 | 14 | 13 | 13 | 14 | 15 | 13 | 13 | 11 | 12 | 11 | 12 | 11 | 12 | 13 | 14 | 12 | 12 | 12 | 12 | 11 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | NW 4 | NW 4 | WSW 6 | NNW 4 | — | — | — | — | — | — | — | W 16 | — | W 15 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | NNW 4 |
| kJ | — | — | — | — | — | 6 | 3 | 7 | 1 | — | — | — | — | — | — | — | 5 | — | 4 | 18 | 23 | 13 | 9 | 13 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 14 | W 14 | W 14 | WSW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | WSW 5 | WSW 5 | W 4 | W 6 | W 4 | WSW 6 | WSW 6 | W 4 | WSW 4 | W 4 | W 4 | W 4 | W 4 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | W 4 | NW 4 | NW 4 | NNW 5 | NNW 5 | — |
| kJ | 33 | 33 | 31 | 63 | 23 | 20 | 20 | 7 | 9 | 21 | 22 | 22 | 25 | 37 | 107 | 77 | 55 | 60 | 26 | 10 | 15 | 72 | 42 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 475 | 408 | 112 | 35 | 396 | 663 | 475 | 262 | 115 | 116 | 117 | 328 | 328 | 328 | 316 | 262 | 35 | 35 | 112 | 112 | 112 | 208 | 117 | 115 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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