Kimmeridge Bay Surf Break

Lat Long: 50.60° N 2.12° W

Kimmeridge Bay Surf Forecast and Surf Report

Issued: 6 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kimmeridge Bay sea temperature is
19.8°C
3.2° 

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


Kimmeridge Bay surf forecast from 5 Sep 2026:

  • Best quality surf: Tuesday 8 Sep, 10AM (local time) - 3.5ft (1.1m), 5s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Monday 7 Sep, 4PM (local time) - 4.5ft (1.3m), 13s period, WSW swell with 536 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 8 Sep, 10AM (local time) - 3.5ft (1.1m), 5s period with WSW swell.

Best Forecast Surf Conditions for Kimmeridge Bay this week:

The surf forecast for Kimmeridge Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 08) at 10AM. The primary swell is predicted to be 1.1m and 5s period with a secondary swell of 0.4m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kimmeridge Bay in the next 16 days are 1.3m 13s and forecast to arrive on Monday (Sep 07) at 4PM. 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 Saturday (Sep 12) at 4AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Tue 8th Sep)3.5ft (1.1m) 5s
Best Surf10AM (Tue 8th Sep)3.5ft (1.1m) 5s
Most Powerful 4PM (Mon 7th Sep)4.5ft (1.3m) 13s

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


The Lowdown

Right, grab a coffee, 'cause I've had a proper look at the next couple of weeks for Kimmeridge Bay, and to be honest, it's a bit of a tale of two halves. And by that, I mean the first half is pretty damn flat, and the second half... well, it's still flat, but the wind's offshore.

The whole period is a real struggle for surf. We're looking at a lot of small, weak swell and onshore winds messing things up. The water, though, is something else – we're talking a very unusual 68°, which is a solid 6° warmer than it should be for the start of September. That's a real gift if you do end up getting out there, even for a paddle.

Right, so the opening days are a write-off. Saturday the 5th has a bit of swell but it's tiny, a 0.7ft cross-off is the best of it with weak energy (49) and the call is just poor surf. Sunday is even worse, with the swell dropping to a pathetic 0.7ft and a cross-on breeze. You'd be better off checking the tide pools.

Monday the 7th sees a bit of a pulse, with the afternoon showing 4ft of WSW swell, but it's short-period and the energy jumps to a moderate 536. The problem is the wind swings to a fresh cross-on, making it lumpy and messy. The morning has cleaner conditions but the swell is only 2ft. It's still a no-go for a proper surf.

We finally get a glimpse of something surfable on Tuesday morning the 8th. The swell is a clean 4ft from the WSW with a light cross-off breeze, and the energy is a moderate 116. The report even says “surfable waves but very ordinary conditions.” That’s our best score of the whole run, but it's still a 1 out of 10. It's a tiny window, and the afternoon goes straight back to onshore junk.

From then on, it's a proper dry spell. The swell stays small, often under 3ft, and the wind is mostly from the west or southwest, which puts a cross-on chop on everything. Thursday the 10th gets a bit of size, hitting 6ft in the afternoon, but it's a short-period windswell and a strong cross-on wind is going to have it blown out and messy. Not worth the fight. The energy is moderate (237), but the quality just isn't there.

The following week, from the 13th onwards, the swell just dies completely. We're talking 0.7ft, then 0.3ft waves. The wind turns offshore and it'll be glassy and clean, but you could waterski across the bay. The energy readings are nearly zero – you won't find any surfable waves. Thursday the 18th has a bit of a longer period in the water, 14 seconds from the west, but the height is just 0.3ft, so it's all for nothing.

Honestly, the only one that comes close to a standout is Tuesday morning the 8th. 4ft of WSW swell, clean conditions, and it's a reef setup which will help it hold some shape. But don't get too excited. It's still small and ordinary. If you're a beginner, this is all a no-go anyway. Most days the swell is under 3ft and the one day it gets to 6ft, it's going to be a pain to paddle in that chop.

For the most part, the bay is going to look better for a kite or a wing than a surfboard, especially when that southwest wind kicks in. All the energy is there, just not in a form that's any good for a wave. This is a real test of patience. Keep your board in the car, but be prepared to just enjoy the warm water and the sun.

Rusty.

Short Range Forecast

Light rain (total 4mm), mostly falling on Mon night. Warm (max 20°C on Sun afternoon, min 15°C on Sat morning). Winds increasing (calm on Sat night, fresh winds from the WSW by Mon afternoon).

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Tue morning. Warm (max 20°C on Thu afternoon, min 13°C on Tue night). Winds increasing (light winds from the WNW on Tue morning, strong winds from the SW by Thu morning).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
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
1
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)
0.6
W
5
0.6
WSW
7
0.4
SW
6
0.2
WSW
7
0.4
SE
4
0.1
SW
18
0.5
SW
15
1.3
WSW
13
0.8
WSW
12
1.1
WSW
5
1.1
SW
5
0.9
WSW
5
0.6
WSW
5
0.8
WSW
4
0.8
WSW
5
1
WSW
4
1.8
SW
6
1.2
SW
6
1.2
WSW
5
1.2
WSW
5
1.1
W
6
Wave Graph
Metric surfscale
Energy kJ
17
36
11
4
4
12
104
536
186
71
49
34
20
17
27
40
237
112
64
81
75
Wind (km/h)
15
WNW
20
SW
5
SSE
20
SE
15
SE
15
W
25
WNW
35
WSW
30
WSW
15
WNW
25
WSW
20
WNW
25
WNW
25
WSW
15
SW
40
SW
35
WSW
35
W
25
WNW
30
NW
20
NW
Wind State
cross-off
cross-on
glassy
cross-on
cross-on
cross
cross-off
cross-on
cross
cross-off
cross-on
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
High Tide
1:41PM1.40m
2:32AM1.24m
3:31PM1.34m
4:43AM1.26m
5:12PM1.50m
5:58AM1.44m
6:11PM1.72m
6:46AM1.64m
6:56PM1.92m
7:27AM1.81m
7:37PM2.08m
8:05AM1.94m
8:15PM2.17m
Low Tide
9:52PM0.73m
10:31AM0.78m
11:43PM0.61m
12:13PM0.68m
00:59AM0.40m
1:18PM0.52m
1:51AM0.19m
2:07PM0.38m
2:35AM0.04m
2:48PM0.28m
3:14AM-0.03m
3:26PM0.23m
3:49AM-0.02m
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
light rain
rain showers
clear
clear
clear
clear
cloud
light rain
part cloud
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:28
6:30
6:31
6:33
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:43
7:40
7:38
7:37
7:34
7:31
 mm
4
3
1
Temp °C
17
17
16
19
20
20
19
18
17
17
18
15
18
18
16
17
20
18
16
17
16
Feels °C
14
14
16
16
17
20
15
12
13
13
13
11
14
12
13
11
15
13
9
10
11
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Kimmeridge Bay Surf forecast

The above surf forecast table for Kimmeridge Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kimmeridge Bay can be found by selecting the local surf guide option on the grey menu. Our Kimmeridge 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 (Kimmeridge 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 Kimmeridge 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.

Kimmeridge Bay is 18 km (11 miles) from the city of Poole. If you plan a holiday in South Coast of England, look for hotels and other accommodation in Poole. Poole has rooms for a wide range of budgets as well as car hire and transport links.

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