Surf Forecasts:
Mupe Bay surf forecast from 19 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 7AM (local time) - 1.5ft (0.4m), 16s period, SW swell with glassy winds.
- Most powerful swell: Friday 25 Sep, 10PM (local time) - 1.5ft (0.5m), 16s period, SW swell with 127 kJ wave energy.
- Next surfable swell (1★+): Wednesday 23 Sep, 7AM (local time) - 1.5ft (0.4m), 16s period with SW swell.
Best Forecast Surf Conditions for Mupe Bay this week:
The surf forecast for Mupe Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 23) at 7AM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.2m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Mupe Bay in the next 16 days are 0.5m 16s and forecast to arrive on Friday (Sep 25) 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 Friday (Sep 25) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 23rd Sep) | 1.5ft (0.4m) 16s |
| Best Surf | 7AM (Wed 23rd Sep) | 1.5ft (0.4m) 16s |
| Most Powerful | 10PM (Fri 25th Sep) | 1.5ft (0.5m) 16s |
Table - best surf conditions forecast for Mupe Bay over the next 16 days.
Short Range ForecastMostly dry. Warm (max 20°C on Mon afternoon, min 14°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat afternoon, calm by Mon morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Wed afternoon, min 13°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||||
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) | WSW 6 | WSW 6 | WSW 11 | SW 5 | SW 6 | WSW 6 | SW 13 | WSW 6 | W 11 | SW 13 | SW 18 | SW 15 | SW 14 | WSW 13 | WSW 12 | SW 11 | W 11 | SE 5 | ESE 5 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 319 | 119 | 38 | 13 | 9 | 6 | 6 | 3 | 3 | 7 | 49 | 56 | 51 | 17 | 14 | 5 | 2 | 60 | 33 | 122 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | cross | cross-off | glassy | cross-on | cross-off | glassy | cross-on | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off |
High Tide | 6:27PM0.87m | 00:42AM1.08m | 1:21PM1.11m | 5:58AM1.05m | 5:32PM1.21m | 6:11AM1.20m | 6:04PM1.39m | 6:33AM1.37m | 6:31PM1.57m | 6:57AM1.54m | 6:59PM1.75m | 7:23AM1.72m | 7:28PM1.92m | |||||||
Low Tide | 5:49PM0.87m | 8:03PM0.86m | 4:56AM0.90m | 10:28PM0.86m | 10:49AM0.91m | 00:33AM0.72m | 12:32PM0.79m | 1:10AM0.55m | 1:11PM0.65m | 1:39AM0.39m | 1:44PM0.52m | 2:08AM0.26m | 2:15PM0.42m | 2:37AM0.16m | ||||||
 |  |  |  |  | | | | | | | | | | | | | | |  | |
 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | 7:15 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 17 | 18 | 16 | 18 | 20 | 18 | 20 | 20 | 19 | 20 | 22 | 15 | 16 | 16 | 17 | 16 | 16 | 16 |
Feels °C | 13 | 16 | 14 | 14 | 14 | 16 | 18 | 17 | 19 | 18 | 19 | 17 | 19 | 10 | 12 | 12 | 13 | 11 | 11 | 14 |
Swell 1 Height (m) Direction Period (s) | — | WSW 11 | SW 5 | SW 5 | SW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | W 6 | SW 18 | SW 15 | SW 14 | WSW 13 | WSW 12 | SW 11 | W 7 | W 10 | SSW 4 | SW 16 |
| kJ | — | 24 | 34 | 13 | 9 | 4 | 4 | 3 | 1 | 1 | 49 | 56 | 51 | 17 | 14 | 5 | 1 | 2 | 3 | 122 |
Swell 2 Height (m) Direction Period (s) | — | — | WSW 11 | WSW 11 | SW 12 | SW 12 | SW 13 | W 12 | W 11 | SW 13 | WSW 12 | WSW 11 | — | W 8 | W 7 | W 7 | W 11 | — | WSW 18 | S 4 |
| kJ | — | — | 12 | 12 | 5 | 6 | 6 | 3 | 3 | 7 | 13 | 11 | — | 1 | 1 | 1 | 2 | — | 33 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | WSW 11 | — | — | — | — | — | — | W 10 | — | — | — | — | — | — | — | — | SW 12 | — |
| kJ | — | — | 38 | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 6 | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | NW 3 | — | — | — | — | — | — | — | — | — | — | NE 4 | E 4 | ESE 5 | ESE 4 | SE 5 | ESE 5 | ESE 4 |
| kJ | 319 | 119 | 1 | — | — | — | — | — | — | — | — | — | — | 11 | 20 | 24 | 29 | 60 | 26 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 218 | 159 | 119 | 111 | 111 | 98 | 111 | 128 | 111 | 111 | 8 | 0 | 8 | 53 | 115 | 130 | 286 | 111 | 118 | 98 |
Best forecast wave conditions in South Coast of England | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mupe Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Mupe Bay Surf forecast
The above surf forecast table for Mupe Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mupe Bay can be found by selecting the local surf guide option on the grey menu. Our Mupe 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 (Mupe 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 Mupe 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.
Mupe Bay is 16 km (10 miles) from the city of Portland. If you plan a holiday in South Coast of England, look for hotels and other accommodation in Portland. Portland has rooms for a wide range of budgets as well as car hire and transport links.
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