Joss Bay Surf Break

Lat Long: 51.39° N 1.43° E

Joss Bay Surf Forecast and Surf Report

Issued: 6 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Joss Bay sea temperature is
21.4° C
4.0° 

Joss Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Joss Bay surf forecast from 18 Aug 2026:

  • Most powerful swell: Saturday 22 Aug, 10AM (local time) - 4.5ft (1.3m), 5s period, NNE swell with 86 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 1.3m 5s and forecast to arrive on Saturday (Aug 22) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Aug 19) at 10PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10AM (Sat 22nd Aug)4.5ft (1.3m) 5s

Table - best surf conditions forecast for Joss Bay over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let's have a look at what Joss Bay has in store for us over the next couple of weeks. I gotta be straight with you – this stretch is about as quiet as a church mouse. There’s just no swell to speak of for the whole sixteen days. We’re looking at a proper flat spell.

The water is sitting at a balmy 71°, which is a whole 7° warmer than what you’d normally expect for this time of year. That’s pretty weird, but don’t let it fool you into thinking there’s any wave energy around.

The first hint of something rideable doesn’t show up until Friday the 21st of August, but even then, it’s a struggle. Swell bumps up to a measly 4ft from the NNE, but with a short, choppy period of just 5 seconds and a fresh cross-onshore wind, it’s going to be lumpy, messy, and just not worth paddling out for. The combined wave energy is weak at best, hitting only 66. This pattern of onshore slop and tiny surf continues right through the weekend and into the following week.

We hit a real lull from Monday the 24th through to the end of the month, with swell barely registering above 0.3ft to 2ft. The wind does lighten up at times, and we even get a moment of glassy conditions on Wednesday the 26th afternoon, but with absolutely no swell to push it, it’s just a flat, pretty pond.

Looking into the first days of September, it’s the same story. We get a couple of clean, offshore mornings on the 2nd, but with swell at 0.7ft and a tiny 7-second period, you’d be better off finding another hobby for the day.

To be brutally honest, there isn't a single standout day or break in this entire forecast. For a spot that’s already inconsistent, this is a proper blank run. It’s not unusual for the area to go quiet like this, so don't throw your board in the bin just yet. Forecasts can always change for the better.

Rusty.

Short Range Forecast

Light rain (total 7mm), mostly falling on Tue night. Warm (max 25°C on Tue afternoon, min 15°C on Wed night). Mainly fresh winds.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri afternoon. Very mild (max 17°C on Fri morning, min 16°C on Fri afternoon). Mainly fresh winds.

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
N
8
0.1
N
8
0.1
NE
6
0.2
NNE
6
0.1
NE
6
0.1
N
8
0.1
N
7
0.1
N
7
0.2
N
8
1.2
NNE
5
1.1
NE
5
1.2
NNE
5
1.3
NNE
5
0.9
NNE
5
0.6
NE
4
0.4
NE
4
0.3
NE
7
0.2
NNE
8
0.2
NNE
7
0.2
NNE
7
0.1
NE
7
Wave Graph
Metric surfscale
Energy kJ
1
1
2
4
2
1
1
1
4
66
55
67
86
40
16
4
7
6
5
5
2
Wind (km/h)
25
W
20
W
20
N
25
W
20
S
25
W
25
WSW
25
WSW
20
N
25
NE
30
NE
25
N
30
NNE
25
NE
20
NE
20
NNE
20
ENE
20
ENE
20
NE
20
ENE
20
NE
Wind State
cross-off
cross-off
cross
off
cross-off
off
off
off
cross
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
on
on
on
on
on
High Tide
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
9:28AM3.05m
10:02PM3.08m
Low Tide
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
4:36PM1.35m
part cloud
part cloud
light rain
cloud
part cloud
rain showers
part cloud
rain showers
rain showers
light rain
mod rain
rain showers
cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:45
5:47
5:48
5:50
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:10
8:08
8:07
8:05
8:02
8:00
7:59
 mm
1
2
2
2
5
6
1
Temp °C
23
25
22
20
20
18
21
21
19
17
17
16
16
17
17
17
17
17
17
17
18
Feels °C
21
22
20
18
16
14
17
16
16
13
12
11
10
12
13
13
14
13
13
13
16
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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