Surf Forecasts:
Joss Bay surf forecast from 17 Aug 2026:
- Most powerful swell: Monday 24 Aug, 7PM (local time) - 5.5ft (1.7m), 6s period, ENE swell with 188 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 1.7m 6s and forecast to arrive on Monday (Aug 24) at 7PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Wednesday (Aug 19) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Mon 24th Aug) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for Joss Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – this is a tough one to call. Right across the whole 16-day window, we’ve got nothing but tiny, weak waves with poor quality. The surf forecast is a blank run for the most part. There’s just no real energy in the water to get excited about.
Looking at the numbers, the wave energy is barely a whisper, with only a few readings poking above 10 (19 on Friday the 21st morning, 49 on the afternoon, 26 on Saturday the 22nd afternoon). But even those are just small, messy, short-period windswell from the north-northeast. The swell height never gets above 4 ft, and that comes with a strong onshore wind that’ll chop it up.
For Joss Bay, the water’s way warmer than normal for this time of year. The anomaly is a massive 4° above average, sitting at 70°F.
The only real chance of something clean comes from the offshore winds. We’ve got stretches of offshore flow from the west and west-southwest on Tuesday the 18th, Wednesday the 19th, Thursday the 20th, and then again from the 27th of August all the way through to the 1st of September. But here’s the killer – every single one of those days has virtually no swell. We’re talking 0.3 ft to 0.7 ft, with wave energy that’s a pathetic 1 or 2. It’s basically a flat lake.
The best of a bad bunch is probably Friday the 21st of August. The swell bumps up to 3 ft in the morning and 4 ft in the afternoon. But the wind is a fresh cross-onshore, making it lumpy and choppy. It’s not worth the paddle.
Honestly, this is a classic case of a blank run for this area. It’s not a surprise. The buoys would be showing nothing. The setup looks way more interesting for a kite than a surfboard on a few of those windier days, but for paddle surfing, you’re better off waiting for the next forecast. It tends not to stay this poor for long, so keep an eye on things.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue morning. Warm (max 24°C on Tue afternoon, min 15°C on Wed night). Winds increasing (light winds from the WNW on Tue afternoon, fresh winds from the SW by Wed night). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Fri afternoon. Warm (max 21°C on Thu afternoon, min 14°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | NE 3 | NE 3 | SSE 2 | N 8 | N 8 | NE 6 | NNE 6 | NE 6 | N 7 | N 7 | N 7 | N 4 | NNE 4 | NNE 4 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NE 7 | NE 7 | NE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 2 | 1 | 1 | 1 | 2 | 4 | 2 | 1 | 1 | 4 | 13 | 13 | 35 | 55 | 30 | 14 | 19 | 27 | 27 | 15 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-off | off | cross-off | cross-off | off | off | off | off | off | cross | cross-on | cross-on | cross | cross | on | on | on | on | on |
High Tide | 3:22PM4.27m | 3:51AM3.87m | 4:03PM4.03m | 4:31AM3.64m | 4:46PM3.74m | 5:13AM3.39m | 5:34PM3.43m | 6:03AM3.16m | 6:32PM3.16m | 7:05AM2.98m | 7:42PM2.99m | 8:18AM2.94m | 8:57PM2.96m | ||||||||
Low Tide | 10:09PM0.24m | 10:18AM0.70m | 10:44PM0.55m | 10:52AM0.89m | 11:19PM0.87m | 11:28AM1.10m | 11:58PM1.17m | 12:13PM1.31m | 00:50AM1.42m | 1:18PM1.49m | 2:12AM1.57m | 3:06PM1.53m | 3:55AM1.53m | ||||||||
 |  |  |  | |  | |  |  | | | | | | | | | |  | | | |
 | 5:41 | — | — | 5:43 | — | — | 5:45 | — | — | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — |
 | — | 8:13 | — | — | 8:10 | — | — | 8:08 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — |
mm | — | — | — | 1 | — | — | — | 2 | 1 | — | 1 | 2 | 2 | 3 | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 20 | 22 | 24 | 22 | 20 | 20 | 18 | 20 | 21 | 20 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 18 | 17 |
Feels °C | 18 | 18 | 20 | 19 | 20 | 19 | 17 | 15 | 13 | 16 | 17 | 17 | 14 | 13 | 10 | 12 | 14 | 13 | 13 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | N 6 | NE 3 | — | — | SSW 5 | S 5 | NNE 6 | NE 6 | N 7 | N 7 | S 6 | S 4 | NE 9 | — | — | NNE 8 | — | — | — | NNE 7 | NE 7 |
| kJ | 1 | 2 | — | — | 2 | 4 | 4 | 2 | 1 | 1 | 15 | 4 | 3 | — | — | 6 | — | — | — | 21 | 14 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 8 | N 8 | NE 6 | NE 6 | — | — | — | N 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | 1 | 2 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 3 | — | SSE 2 | W 3 | WNW 3 | NW 3 | WSW 3 | SSW 4 | SW 4 | WSW 4 | W 3 | N 4 | NNE 4 | NNE 4 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NE 7 | NE 7 | NE 4 |
| kJ | 3 | — | 1 | 5 | 3 | 2 | 9 | 8 | 29 | 19 | 2 | 13 | 13 | 35 | 55 | 30 | 14 | 19 | 27 | 27 | 15 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 654 | 554 | 562 | 436 | 470 | 194 | 450 | 277 | 133 | 328 | 470 | 194 | 391 | 445 | 341 | 216 | 187 | 103 | 103 | 501 | 314 |
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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