Surf Forecasts:
Kimmeridge Bay surf forecast from 11 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 10PM (local time) - 3ft (0.9m), 5s period, ESE swell with cross-offshore winds.
- Most powerful swell: Wednesday 12 Aug, 1AM (local time) - 4.5ft (1.3m), 6s period, E swell with 108 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 10PM (local time) - 3ft (0.9m), 5s period with ESE 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 Wednesday (Aug 12) at 10PM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.3m and 10s. Another secondary swell of 0.1m and 6s 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 1.3m 6s and forecast to arrive on Wednesday (Aug 12) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Thursday (Aug 13) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 12th Aug) | 3ft (0.9m) 5s |
| Best Surf | 10PM (Wed 12th Aug) | 3ft (0.9m) 5s |
| Most Powerful | 1AM (Wed 12th Aug) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Kimmeridge Bay over the next 16 days.
The Lowdown
Right, Rusty here again. Let’s talk Kimmeridge Bay in proper terms.
First week is a dead loss. From Monday the 10th of August, there’s nothing worth getting wet for – just a long, flat spell with bad wind. The water is 68°F, which is way warmer than usual for August. Weird.
The wind is mostly side or sideshore, kicking up chop. Even when we get a glassy moment on the evening of Wednesday the 19th of August, the swell is only 0.7ft with almost no energy. Not worth looking at.
Things finally change on Saturday the 22nd of August. The morning shows 6ft from the WSW at 6 seconds. The combined energy is 266 – that’s moderate grunt. Wind is cross-offshore out of the NW at 12 mph, so the surface should be tidy. But it’s still not a good wave. That afternoon turns side-off and messy.
The best bet is Sunday the 23rd of August. The morning brings 4ft from the west, period of 5 seconds, with a clean offshore wind from the NNE at 6 mph. Combined energy is 92 – weak but workable. It’s the cleanest window across the whole 16 days. It’s just “ordinary” at best, but with the offshore wind, it’s the only one you’d even consider. Crowds are common here, so you won’t be alone.
After that, it fizzles into tiny, long-period slop (15 seconds on the 24th) that won’t wrap into the reef. By the 25th, it’s tiny again.
If you’ve got to go, make it Sunday morning the 23rd of August. Otherwise, keep the board in the car.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Wed afternoon, min 17°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 29°C on Thu afternoon, min 14°C on Sat night). Winds decreasing (fresh winds from the NW on Sat night, calm by Sun morning). | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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) | SW 7 | SW 6 | E 5 | E 5 | E 6 | E 5 | E 4 | WSW 9 | SW 9 | SW 4 | WSW 5 | WSW 9 | WSW 4 | WSW 5 | WSW 6 | WSW 3 | WSW 4 | WSW 8 | SW 7 | W 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 11 | 7 | 37 | 52 | 108 | 40 | 26 | 17 | 21 | 18 | 21 | 16 | 31 | 17 | 7 | 7 | 6 | 6 | 2 | 1 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | cross | cross | cross-off | cross | cross | off | cross | cross | cross-off | cross | cross | off | off | cross | off | off | cross-on | off |
High Tide | 6:21PM1.74m | 6:54AM1.64m | 7:10PM1.95m | 7:41AM1.79m | 7:54PM2.11m | 8:23AM1.89m | 8:35PM2.22m | 9:03AM1.95m | 9:14PM2.24m | 9:42AM1.96m | 9:52PM2.18m | 10:18AM1.91m | 10:29PM2.05m | |||||||
Low Tide | 2:07AM0.27m | 2:22PM0.40m | 2:55AM0.08m | 3:07PM0.30m | 3:38AM-0.04m | 3:48PM0.25m | 4:17AM-0.09m | 4:27PM0.25m | 4:55AM-0.05m | 5:03PM0.30m | 5:29AM0.06m | 5:37PM0.38m | ||||||||
 |  | | | | | | | | | | | |  | | | |  | | | |
 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — |
 | 8:37 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 19 | 23 | 21 | 25 | 30 | 26 | 28 | 29 | 22 | 24 | 25 | 19 | 22 | 23 | 19 | 21 | 21 | 20 |
Feels °C | 21 | 20 | 15 | 19 | 17 | 20 | 26 | 25 | 23 | 25 | 20 | 22 | 22 | 15 | 20 | 20 | 13 | 20 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 6 | WSW 7 | WSW 6 | SW 6 | WSW 11 | WSW 10 | ESE 5 | ESE 5 | ESE 4 | WSW 5 | WSW 9 | — | WSW 5 | WSW 6 | — | WSW 4 | WSW 8 | SW 7 | W 7 |
| kJ | 11 | 7 | 4 | 4 | 1 | 12 | 10 | 60 | 26 | 4 | 21 | 16 | — | 17 | 7 | — | 6 | 6 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | W 8 | WSW 3 | W 10 | W 10 | W 12 | SW 6 | W 6 | WSW 9 | SW 9 | E 4 | WSW 10 | SW 6 | — | W 8 | SW 8 | ENE 4 | WSW 8 | — | E 3 | — |
| kJ | 1 | 1 | 2 | 2 | 3 | 1 | 1 | 17 | 21 | 4 | 19 | 2 | — | 1 | 3 | 2 | 6 | — | 1 | — |
Swell 3 Height (m) Direction Period (s) | W 8 | — | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 2 | — | E 5 | E 5 | E 6 | E 5 | E 4 | — | — | SW 4 | NW 3 | WSW 4 | WSW 4 | N 3 | NNE 3 | WSW 3 | N 3 | NE 3 | — | WNW 3 |
| kJ | 1 | — | 37 | 52 | 108 | 40 | 26 | — | — | 18 | 2 | 7 | 31 | 5 | 2 | 7 | 4 | 3 | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 232 | 206 | 570 | 310 | 160 | 108 | 108 | 21 | 24 | 205 | 143 | 143 | 240 | 173 | 147 | 186 | 240 | 206 | 569 | 457 |
Best forecast wave conditions in South Coast of England | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
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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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