Surf Forecasts:
Dunbar/Belhaven Bay surf forecast from 17 Aug 2026:
- Best quality surf: Friday 21 Aug, 4AM (local time) - 6ft (1.9m), 8s period, NNE swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 4AM (local time) - 6ft (1.9m), 8s period, NNE swell with 408 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 4AM (local time) - 6ft (1.9m), 8s period with NNE swell.
Best Forecast Surf Conditions for Dunbar/Belhaven Bay this week:
The surf forecast for Dunbar/Belhaven Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 4AM. The primary swell is predicted to be 1.9m and 8s period with a secondary swell of 1.7m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Dunbar/Belhaven Bay in the next 16 days are 1.9m 8s and forecast to arrive on Friday (Aug 21) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Tuesday (Aug 18) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Fri 21st Aug) | 6ft (1.9m) 8s |
| Best Surf | 4AM (Fri 21st Aug) | 6ft (1.9m) 8s |
| Most Powerful | 4AM (Fri 21st Aug) | 6ft (1.9m) 8s |
Table - best surf conditions forecast for Dunbar/Belhaven Bay over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Mon night. Very mild (max 17°C on Tue morning, min 13°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the W by Tue morning). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Wed night. Very mild (max 18°C on Sat afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the N on Thu morning, calm by Sat afternoon). | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
AM | 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) | N 8 | N 8 | SE 3 | N 8 | N 8 | NNE 8 | NNE 8 | NNE 7 | NNE 8 | NNE 6 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1 | 1 | 3 | 1 | 1 | 13 | 32 | 30 | 138 | 151 | 369 | 319 | 302 | 202 | 161 | 131 | 113 | 71 | 44 | 31 | 11 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross-off | off | cross-off | cross | on | cross-on | on | cross-on | cross-off | on | off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:52AM4.63m | 6:24PM4.13m | 6:33AM4.30m | 7:03PM3.84m | 7:18AM3.92m | 7:45PM3.55m | 8:10AM3.56m | 8:39PM3.29m | 9:17AM3.27m | 9:50PM3.13m | 10:40AM3.14m | 11:11PM3.14m | 11:59AM3.20m | 00:22AM3.33m | |||||||
Low Tide | 11:58AM0.26m | 00:07AM0.72m | 12:35PM0.65m | 00:45AM0.97m | 1:14PM1.05m | 1:28AM1.25m | 1:59PM1.43m | 2:22AM1.52m | 3:00PM1.74m | 3:41AM1.71m | 4:36PM1.87m | 5:30AM1.69m | 6:10PM1.76m | ||||||||
 | |  |  | |  | |  | | | | | | | |  | | | | | | |
 | 5:43 | — | — | 5:45 | — | — | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — |
 | — | 8:43 | — | — | 8:40 | — | — | 8:37 | — | — | 8:36 | — | — | 8:32 | — | — | 8:30 | — | — | 8:28 | — |
mm | — | — | 7 | — | — | — | — | 2 | 2 | — | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 16 | 17 | 17 | 14 | 15 | 15 | 13 | 14 | 14 | 12 | 13 | 13 | 12 | 15 | 18 | 14 | 17 | 18 | 14 |
Feels °C | 13 | 13 | 12 | 11 | 11 | 8 | 12 | 14 | 8 | 8 | 10 | 6 | 10 | 10 | 10 | 13 | 15 | 9 | 11 | 12 | 9 |
Swell 1 Height (m) Direction Period (s) | N 8 | — | NE 4 | NE 4 | NE 5 | NNE 8 | NNE 8 | NNE 7 | — | — | — | — | NNE 8 | NNE 8 | — | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 |
| kJ | 1 | — | 1 | 1 | 1 | 13 | 32 | 30 | — | — | — | — | 302 | 202 | — | 131 | 113 | 71 | 44 | 31 | 11 |
Swell 2 Height (m) Direction Period (s) | — | N 8 | N 8 | — | N 8 | NE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | N 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 3 | W 3 | W 4 | WSW 3 | WSW 3 | — | NNE 8 | NNE 6 | NNE 7 | NNE 8 | — | — | NNE 8 | — | — | W 2 | WSW 3 | WSW 3 | W 3 |
| kJ | — | — | 3 | 7 | 13 | 9 | 1 | — | 138 | 151 | 369 | 319 | — | — | 161 | — | — | 1 | 9 | 9 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 206 | 275 | 299 | 296 | 296 | 274 | 258 | 206 | 206 | 131 | 650 | 40 | 0 | 20 | 0 | 0 | 0 | 28 | 125 | 203 | 258 |
Best forecast wave conditions in Scotland - East Coast | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Dunbar/Belhaven Bay Surf forecast
The above surf forecast table for Dunbar/Belhaven Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dunbar/Belhaven Bay can be found by selecting the local surf guide option on the grey menu. Our Dunbar/Belhaven 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 (Dunbar/Belhaven 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 Dunbar/Belhaven 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.
Dunbar/Belhaven Bay is 34 km (21 miles) from Musselburgh. If you plan a holiday in Scotland - East Coast, look for hotels and other accommodation in Musselburgh. Musselburgh has rooms for a wide range of budgets as well as car hire and transport links.
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