Surf Forecasts:
Kimmeridge Bay surf forecast from 12 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 10PM (local time) - 4.5ft (1.3m), 6s period, WSW swell with 100 kJ wave energy.
Best Forecast Surf Conditions for Kimmeridge Bay this week:
The most powerful waves expected at Kimmeridge Bay in the next 16 days are 1.3m 6s and forecast to arrive on Tuesday (Aug 18) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Aug 16) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Tue 18th Aug) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Kimmeridge Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here.
Let's be straight with you – the next 16 days at Kimmeridge Bay are a write-off. I’ve been staring at the charts and there’s nothing to get excited about. The water is sitting at a very warm 69°, which is a massive 7° above the norm for this time of year, so it’s going to feel like a warm bath, but that’s about the only positive.
We start off on Wednesday the 12th with a tiny, weak 3 ft easterly windswell. The swell energy is a measly 44, and with a cross-shore breeze, it’s just messy. That same story repeats right through the weekend. We get a few windows of offshore wind on Saturday and Sunday mornings, but the swell is next to nothing. The best you’ll see all week is a tiny 1 ft on Friday morning with a clean cross-off breeze, but it’s barely breaking. The energy is weak, and the period is short.
There's a gap of nothing worthwhile until the following week. Even then, it’s the same story. The 20th of August sees a few 3 ft waves, but the period is a pathetic 4 seconds, and the combined energy is only 31. It’s just not got any push. The only real standout, if you can call it that, is the morning of Thursday the 21st. There's a 0.7 ft swell with a 10-second period and a clean cross-off breeze. The swell energy is tiny at 14, but the period is the longest we’ll see, so there might be a rare, clean little wave. But honestly, it’s a serious stretch.
Given the lack of real swell, the strong winds starting to blow and the fact it’s a reef setup, if you’re desperate to get on the water, this looks more like a kiteboarding session than a surfing one. For the rest of us, save your energy. The forecasts can change, but right now, there’s absolutely nothing on the cards.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Wed afternoon, min 15°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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) | E 4 | WSW 9 | SW 9 | WSW 10 | SW 10 | W 5 | WSW 4 | WSW 5 | WSW 6 | WSW 7 | WSW 8 | WSW 8 | W 8 | WSW 4 | W 7 | W 7 | SW 3 | WSW 5 | WSW 4 | WSW 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 13 | 17 | 21 | 38 | 24 | 8 | 24 | 15 | 8 | 11 | 6 | 6 | 1 | 3 | 1 | 1 | 3 | 9 | 18 | 61 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross-on | cross-off | cross-off | cross | off | off | cross | off | off | off | off | off | cross-on | cross-off | cross | cross-on | cross |
High Tide | 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 | 10:54AM1.82m | 11:04PM1.87m | 11:28AM1.69m | 11:38PM1.67m | |||||||
Low Tide | 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 | 6:00AM0.21m | 6:06PM0.48m | 6:24AM0.38m | 6:27PM0.59m | ||||||||
 |  | | | | | |  |  | | | | | | | | | | | | |
 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — |
 | 8:35 | — | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:27 | — | — | 8:24 | — | — | 8:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 27 | 23 | 25 | 25 | 21 | 23 | 26 | 21 | 21 | 22 | 16 | 18 | 19 | 18 | 20 | 21 | 20 |
Feels °C | 24 | 24 | 23 | 24 | 22 | 23 | 22 | 19 | 20 | 22 | 17 | 19 | 18 | 11 | 17 | 17 | 17 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 9 | SW 9 | WSW 10 | SW 10 | WSW 5 | — | WSW 5 | WSW 6 | — | WSW 4 | WSW 8 | E 4 | WSW 4 | E 4 | E 4 | W 7 | WSW 5 | — | — |
| kJ | 10 | 17 | 21 | 38 | 24 | 6 | — | 15 | 8 | — | 2 | 6 | 1 | 3 | 2 | 1 | 1 | 9 | — | — |
Swell 2 Height (m) Direction Period (s) | W 6 | W 6 | E 4 | ESE 4 | WSW 3 | WSW 9 | — | SW 8 | — | — | WSW 8 | E 5 | W 8 | — | W 7 | W 7 | — | W 8 | — | — |
| kJ | 1 | 1 | 9 | 3 | 1 | 8 | — | 3 | — | — | 6 | 1 | 1 | — | 1 | 1 | — | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | — | — | W 5 | WSW 4 | N 3 | N 4 | WSW 7 | NNE 4 | NNE 4 | — | N 3 | NNW 3 | — | SW 3 | — | WSW 4 | WSW 5 |
| kJ | 13 | 10 | 10 | — | — | 7 | 24 | 2 | 10 | 11 | 21 | 11 | — | 2 | 1 | — | 3 | — | 18 | 61 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 108 | 108 | 111 | 1 | 238 | 126 | 143 | 310 | 232 | 333 | 335 | 240 | 339 | 339 | 391 | 635 | 378 | 216 | 312 | 239 |
Best forecast wave conditions in South Coast of England | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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