Surf Forecasts:
Joss Bay surf forecast from 16 Aug 2026:
- Most powerful swell: Sunday 23 Aug, 7AM (local time) - 2.5ft (0.7m), 7s period, NNE swell with 48 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 0.7m 7s and forecast to arrive on Sunday (Aug 23) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Wednesday (Aug 19) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Sun 23rd Aug) | 2.5ft (0.7m) 7s |
Table - best surf conditions forecast for Joss Bay over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what we’ve got on the cards for Joss Bay.
Honestly, it’s a pretty grim run. The next sixteen days are a real letdown. We’re looking at a long, dry stretch with nothing really worth paddling out for. The whole period is a blank run for any decent surf. The water is sitting at 71° and that’s a whopping 7° warmer than normal for this time of year, so you’re not gonna need anything more than a spring suit, but that’s about the only positive I can scrape together here.
The first week is basically a write-off. Swell is tiny, mostly under 2ft, with rubbish short-period windswell. The combined energy is pitiful, often in single digits or low double digits. The wind is all over the place, but the waves just aren’t there. Even when we get a clean offshore breeze – like Tuesday the 18th through Thursday the 20th – the swell is barely a bump on the water. You’d be scratching for anything rideable.
We do see a bit of a pulse around the 24th and 25th of August. Swell picks up to around 5ft to 5ft from the east-northeast with a combined energy in the low hundreds (109 on the 24th afternoon, 164 on the 25th morning). That’s a proper window of energy, but it’s all onshore and sloppy. The wind is blowing hard right into it from the northeast or east-northeast, 22 to 25 mph. That’s going to be a messy, blown-out mess. For anyone with a kite, it might be interesting, but for a paddle surfer, it’s a hard pass.
After that, it fades right back down to nothing. A few flat days around the 28th, and then the very end of the month sees strong offshore winds – 25 mph from the west-southwest on the 31st – but again, no swell to speak of. It’s clean, but you can’t surf a bathtub. This is the kind of forecast that makes you check your wax stash and see if there’s anything else worth doing.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Warm (max 24°C on Tue afternoon, min 17°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Thu night. Warm (max 21°C on Wed afternoon, min 15°C on Wed night). Winds decreasing (fresh winds from the WSW on Wed afternoon, light winds from the NNE by Fri afternoon). | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
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 4 | N 8 | NE 6 | NE 3 | NNE 3 | N 7 | N 8 | NE 7 | NNE 7 | NNE 6 | NNE 6 | NE 7 | N 7 | N 7 | NNE 4 | N 4 | NNE 5 | NNE 5 | NNE 4 | NNE 8 | NNE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 4 | 4 | 4 | 2 | 1 | 1 | 31 | 40 | 28 | 32 | 15 | 41 | 37 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | off | cross-on | on | cross | off | off | cross | off | off | off | off | off | cross | cross | cross-on | cross-on | cross-off | cross-off | on |
High Tide | 2:41PM4.44m | 3:12AM4.06m | 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 | ||||||||
Low Tide | 9:34PM-0.01m | 9:44AM0.55m | 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 | ||||||||
 | |  |  | |  |  | | | |  |  | |  |  | | | | | | | |
 | 5:39 | — | — | 5:41 | — | — | 5:43 | — | — | 5:45 | — | — | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — |
 | — | 8:15 | — | — | 8:13 | — | — | 8:10 | — | — | 8:08 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — |
mm | — | — | 2 | — | — | — | 1 | — | — | — | — | — | — | 2 | 2 | — | 2 | 5 | 2 | — | — |
Temp °C | 20 | 21 | 22 | 18 | 19 | 19 | 20 | 24 | 22 | 20 | 21 | 18 | 21 | 21 | 19 | 17 | 17 | 16 | 18 | 19 | 19 |
Feels °C | 20 | 20 | 20 | 16 | 17 | 17 | 18 | 22 | 19 | 17 | 15 | 12 | 17 | 16 | 16 | 12 | 15 | 14 | 16 | 16 | 18 |
Swell 1 Height (m) Direction Period (s) | NE 4 | ENE 3 | NE 6 | N 6 | NNE 3 | NE 4 | NE 5 | S 4 | S 6 | NNE 6 | NNE 6 | S 6 | N 7 | SSW 5 | S 5 | — | — | W 6 | — | NNE 8 | — |
| kJ | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 4 | 4 | 6 | 1 | 10 | 4 | — | — | 1 | — | 41 | — |
Swell 2 Height (m) Direction Period (s) | NNE 5 | NE 5 | — | — | N 5 | N 7 | N 8 | NE 7 | NNE 7 | — | — | NE 7 | — | NW 4 | — | — | — | — | — | — | — |
| kJ | 5 | 1 | — | — | 1 | 1 | 1 | 2 | 4 | — | — | 2 | — | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 9 | N 8 | — | — | — | — | — | — | — | — | — | — | — | N 7 | — | — | — | — | — | — | — |
| kJ | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 3 | — | S 3 | W 3 | WSW 3 | — | WSW 3 | SW 6 | WSW 4 | WSW 4 | W 3 | NNE 4 | N 4 | NNE 5 | NNE 5 | NNE 4 | — | NNE 8 |
| kJ | — | — | — | 2 | — | 5 | 5 | 3 | — | 3 | 15 | 14 | 16 | 3 | 31 | 40 | 28 | 32 | 15 | — | 37 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 354 | 535 | 594 | 554 | 470 | 562 | 608 | 965 | 143 | 684 | 470 | 698 | 425 | 534 | 205 | 445 | 74 | 74 | 155 | 187 | 216 |
Best forecast wave conditions in South Coast of England | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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