Kimmeridge Bay Surf Break

Lat Long: 50.60° N 2.12° W

Kimmeridge Bay Surf Forecast and Surf Report

Issued: 12 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kimmeridge Bay sea temperature is
19.7°C
3.3° 

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 11 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 10PM (local time) - 3.5ft (1.0m), 5s period, W swell with cross-offshore winds.
  • Most powerful swell: Tuesday 15 Sep, 10PM (local time) - 5ft (1.5m), 6s period, W swell with 156 kJ wave energy.
  • Next surfable swell (1★+): Sunday 13 Sep, 10PM (local time) - 3.5ft (1.0m), 5s period with W 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 Sunday (Sep 13) at 10PM. The primary swell is predicted to be 1.0m and 5s period with a secondary swell of 0.8m and 5s. Another secondary swell of 0.2m and 10s is also forecast. 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 1.5m 6s and forecast to arrive on Tuesday (Sep 15) at 10PM. Winds are predicted to be cross-offshore 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 (Sep 16) at 7AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 13th Sep)3.5ft (1.0m) 5s
Best Surf10PM (Sun 13th Sep)3.5ft (1.0m) 5s
Most Powerful10PM (Tue 15th Sep)5ft (1.5m) 6s

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


The Lowdown

Alright, Rusty here. Let's have a look at what's on the cards for Kimmeridge Bay. Straight up, I gotta be honest with you, the next week and a half is looking pretty grim. We've got a solid run of poor surf conditions with messy winds and weak swell, so don't bother waxing up just yet. The real action, if you can call it that, doesn't even start to whisper until Monday the 21st of September, and even then it's only just surfable.

Let's break it down. From Friday the 11th right through until Sunday the 20th, it's a write-off. We're talking predominantly cross-shore and cross-onshore winds from the west and southwest, gusting up to 18 or 22 mph at times. The swell is all over the place, mostly short-period junk under 8 seconds, and the combined wave energy is weak, often below 100. It's just not worth getting wet for. There's a tiny window Tuesday afternoon the 15th where the wind swings cross-off and cleans it up, but with a weak 4ft swell and a short period, it's a long shot.

The first real glimmer comes Monday the 21st of September. Morning sees a moderate offshore breeze from the NNE, finally giving us some clean lines on a 3ft swell from the west. The energy is still weak at 70, and the period is short at 5 seconds, so it's not going to be pumping, but it's surfable. Afternoon cleans up even more with a lighter cross-off. This is your best bet for a grovel session if you're desperate.

Tuesday the 22nd is tiny, with a 0.7ft, 13-second groundswell that has plenty of period but just not enough height to do anything with.

Then, Wednesday the 23rd of September morning looks interesting on paper – a solid 7ft swell from the WSW with moderate energy at 342. But the wind is light and variable cross-shore, and the report calls it "marginal." Still, if you're an experienced surfer, this could be the most size you'll see, but it's going to be a bumpy, chop-infested mess.

After that, Thursday the 24th and Friday the 25th offer some cleaner, surfable waves in the 5ft to 6ft range from the SW, with light cross-off winds. The period is still short on these, around 6 seconds, so expect little, crumbly waves. The energy is moderate, hitting 145 on Thursday and 175 on Friday. Friday morning looks the pick with clean conditions and a light NE breeze.

Saturday the 26th of September is a bit of a tease; the swell is there at 5ft from the southwest, but the wind is cross-off and clean in the morning. It's a shame the wave energy (165) and short period suggest it'll be a bit ordinary again.

Looking at the whole picture, Kimmeridge Bay doesn't have a true standout. If I had to pick one, it'd be Friday the 25th of September morning. It's the most consistent option with a 5ft SW swell, a clean cross-off wind from the NE, and moderate energy. It's not going to be classic, but it's the best of a bad bunch. Everything else is either too small, too messy, or too far off.

Remember, this is a reef break that's very consistent and can get busy, so if you do head out on that Friday morning, expect company. The water temp is pretty much what you'd expect for this time of year, nothing unusual there. Until the 21st, save your energy.

Rusty.

Short Range Forecast

Moderate rain (total 12mm), heaviest on Sat night. Warm (max 21°C on Fri afternoon, min 15°C on Fri night). Winds decreasing (fresh winds from the SW on Thu night, light winds from the NNW by Fri night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Mon morning, min 14°C on Tue night). Winds increasing (light winds from the W on Sun night, fresh winds from the WNW by Tue afternoon).

Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
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)
0.9
SW
6
0.9
WSW
9
0.4
WSW
8
0.7
WSW
8
1.3
WSW
5
1.2
WSW
5
1.1
WSW
5
1
WSW
5
0.7
WSW
5
0.4
WSW
9
0.5
W
9
0.2
WSW
9
1.1
SSW
5
1.3
WSW
5
1.3
W
6
0.4
WSW
8
0.7
WSW
10
0.3
WSW
10
0.5
W
3
0.9
WSW
4
0.8
WSW
5
Wave Graph
Metric surfscale
Energy kJ
47
140
28
56
88
74
64
44
22
34
41
8
48
80
130
28
100
21
6
28
28
Wind (km/h)
15
WNW
20
W
10
NNW
20
WSW
30
WSW
25
WSW
20
WSW
25
WSW
15
WNW
10
SW
20
WSW
15
SSE
30
SW
35
WNW
25
WNW
30
NW
30
WNW
15
WNW
25
W
30
W
20
W
Wind State
cross-off
cross
cross-off
cross
cross-on
cross-on
cross
cross
cross-off
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
High Tide
8:05AM1.94m
8:15PM2.17m
8:41AM2.02m
8:52PM2.18m
9:15AM2.04m
9:28PM2.12m
9:49AM1.99m
10:02PM2.00m
10:21AM1.90m
10:35PM1.84m
10:52AM1.76m
11:06PM1.65m
11:22AM1.60m
11:37PM1.46m
Low Tide
3:26PM0.23m
3:49AM-0.02m
4:01PM0.23m
4:22AM0.05m
4:33PM0.27m
4:50AM0.18m
4:59PM0.35m
5:11AM0.33m
5:14PM0.45m
4:33AM0.47m
4:16PM0.53m
4:12AM0.56m
4:30PM0.62m
clear
clear
clear
clear
clear
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:37
6:39
6:41
6:41
6:43
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:31
7:30
7:28
7:24
7:22
7:21
7:19
 mm
10
Temp °C
20
21
18
17
18
18
20
21
19
21
21
19
21
20
15
16
17
14
17
18
16
Feels °C
18
18
17
13
14
15
18
18
18
20
20
19
17
13
10
10
10
10
12
13
12
  • 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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