Surf Forecasts:
Joss Bay surf forecast from 12 Sep 2026:
- Most powerful swell: Thursday 17 Sep, 7AM (local time) - 0.5ft (0.2m), 10s period, NNE swell with 10 kJ wave energy.
Best Forecast Surf Conditions for Joss Bay this week:
The most powerful waves expected at Joss Bay in the next 16 days are 0.2m 10s and forecast to arrive on Thursday (Sep 17) at 7AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Saturday (Sep 19) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Thu 17th Sep) | 0.5ft (0.2m) 10s |
Table - best surf conditions forecast for Joss Bay over the next 16 days.
The Lowdown
Hey crew, Rusty here. Let’s break down Joss Bay for the next couple of weeks.
Honestly, it’s a flat spell. From now right through to the 27th of September, there’s nothing worth paddling for. Just small bumps and a lot of clean but empty water.
The best we see is still weak. The water’s sitting at 67°F, which is 4°F warmer than average – that’s noticeably warm for this time of year.
Starting Saturday the 12th, there’s a 0.3ft north swell at 7 seconds with a moderate offshore breeze from the WSW. Combined swell energy is only 1 (weak). It’s clean, but it’s ankle-high at best. The whole first week stays like that: 0.3ft to 0.7ft, with the occasional period of 9 to 10 seconds but still tiny. The only real change is the wind, mostly offshore or cross-off, keeping the surface clean.
By Friday the 25th, we get a 0.7ft north-northeast swell with a period of 11 seconds – that’s a longer period groundswell, and combined energy reaches 20 (still only moderate). Wind is a gentle cross-shore, so it’s clean, but it’s still too small to get excited about.
The end of the month offers similar tiny stuff, with the biggest combined energy being 13 on Saturday the 26th, but again only 0.7ft.
No standouts. It’s a long dry run for surf. If you’re keen, pick the glassiest morning, but I wouldn’t hold your breath. Forecasts can shift, but right now, it’s a no-go.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 22°C on Mon afternoon, min 17°C on Sat morning). Winds decreasing (fresh winds from the SW on Sat afternoon, calm by Sun night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Thu afternoon. Warm (max 22°C on Tue afternoon, min 12°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | N 7 | SW 4 | SW 4 | WSW 4 | W 3 | ENE 3 | N 6 | NE 5 | NE 6 | N 5 | N 5 | N 11 | N 10 | N 10 | NNE 6 | NNE 10 | NNE 9 | NE 9 | N 10 | NE 8 | NE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 9 | 8 | 3 | 3 | 2 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | off | cross-off | off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | off |
High Tide | 12:54PM4.45m | 1:24AM4.26m | 1:33PM4.49m | 2:01AM4.23m | 2:12PM4.41m | 2:36AM4.11m | 2:50PM4.24m | 3:11AM3.92m | 3:28PM4.00m | 3:47AM3.69m | 4:07PM3.70m | 4:26AM3.42m | 4:51PM3.38m | ||||||||
Low Tide | 7:51PM-0.12m | 8:05AM0.35m | 8:26PM-0.05m | 8:38AM0.37m | 8:59PM0.14m | 9:09AM0.46m | 9:31PM0.39m | 9:40AM0.61m | 10:02PM0.68m | 10:11AM0.81m | 10:35PM0.98m | 10:47AM1.04m | 11:13PM1.27m | ||||||||
 | |  |  | |  |  | |  | |  | | | |  |  | | | | | | |
 | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:31 | — | — | 6:31 | — | — |
 | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:02 | — |
mm | — | — | 2 | 2 | — | — | — | — | — | — | 1 | — | — | — | — | — | 2 | — | — | — | — |
Temp °C | 19 | 19 | 18 | 19 | 21 | 20 | 21 | 22 | 21 | 21 | 22 | 18 | 16 | 17 | 16 | 16 | 18 | 15 | 17 | 18 | 17 |
Feels °C | 14 | 14 | 14 | 17 | 20 | 22 | 21 | 21 | 20 | 19 | 19 | 13 | 11 | 12 | 11 | 10 | 13 | 10 | 12 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | N 7 | — | — | — | W 3 | ENE 3 | — | NE 5 | NE 6 | N 5 | S 4 | S 5 | S 6 | N 3 | NNE 6 | NNE 10 | NNE 9 | S 4 | NE 8 | WNW 3 | NE 9 |
| kJ | 1 | — | — | — | 1 | 1 | — | 1 | 1 | 1 | 6 | 2 | 1 | 2 | 3 | 9 | 8 | 2 | 3 | 1 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 4 | S 4 | — | — | N 6 | — | N 5 | N 11 | N 10 | N 6 | N 9 | — | — | NE 9 | N 10 | NE 8 | N 8 |
| kJ | — | — | — | — | 1 | 1 | — | — | 1 | — | 1 | 2 | 2 | 1 | 2 | — | — | 3 | 2 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | N 6 | — | — | — | — | — | — | N 10 | — | — | — | — | N 7 | — | — |
| kJ | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 2 | — | — | — | — | 1 | — | — |
Wind waves Height (m) Direction Period (s) | WSW 3 | SW 4 | SW 4 | WSW 4 | SW 4 | — | — | SSW 3 | SW 3 | SSW 3 | — | NNW 4 | NW 4 | W 3 | WNW 3 | WSW 3 | SW 4 | WNW 4 | W 3 | — | SW 4 |
| kJ | 5 | 13 | 18 | 8 | 6 | — | — | 1 | 6 | 7 | — | 18 | 10 | 1 | 1 | 10 | 22 | 8 | 5 | — | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 553 | 449 | 448 | 397 | 287 | 123 | 433 | 281 | 354 | 387 | 536 | 378 | 221 | 389 | 143 | 371 | 443 | 143 | 363 | 287 | 674 |
Best forecast wave conditions in South Coast of England | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Joss Bay Surf forecast
The above surf forecast table for Joss Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Joss Bay can be found by selecting the local surf guide option on the grey menu. Our Joss Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Joss Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Joss Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in South Coast of England? If you are looking for accommodation near Joss Bay, camping, hotels and holiday cottages in South Coast of England, consider staying in Broadstairs which is 3 km (2 miles) away. Other places in and around South Coast of England where you can find information about places to rent, and car hire include Manston which is 7 km (4 miles) away, Margate, Ramsgate and Thanet.
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