Surf Forecasts:
Cliad Bay (Coll) surf forecast from 17 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 1PM (local time) - 7ft (2.1m), 11s period, WSW swell with offshore winds.
- Most powerful swell: Wednesday 19 Aug, 4AM (local time) - 8ft (2.5m), 11s period, WSW swell with 1,375 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 7AM (local time) - 2.5ft (0.8m), 9s period with WSW swell.
Best Forecast Surf Conditions for Cliad Bay (Coll) this week:
The surf forecast for Cliad Bay (Coll) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 7AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.1m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cliad Bay (Coll) in the next 16 days are 2.5m 11s and forecast to arrive on Wednesday (Aug 19) 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 0.9m 4s period and expected on Monday (Aug 17) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Mon 17th Aug) | 2.5ft (0.8m) 9s |
| Best Surf | 1PM (Wed 19th Aug) | 7ft (2.1m) 11s |
| Most Powerful | 4AM (Wed 19th Aug) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Cliad Bay (Coll) over the next 16 days.
Short Range ForecastHeavy rain (total 35mm), heaviest during Mon afternoon. Very mild (max 15°C on Mon night, min 14°C on Sun afternoon). Winds increasing (light winds from the SSE on Sun afternoon, fresh winds from the S by Mon night). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 14°C on Wed afternoon, min 12°C on Thu night). Winds decreasing (strong winds from the N on Thu night, light winds from the NNW by Sat morning). | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||
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 | WSW 8 | WSW 9 | WSW 8 | WSW 7 | WSW 7 | WSW 8 | WSW 11 | WSW 11 | WSW 10 | W 10 | W 10 | N 5 | N 5 | W 8 | NNW 4 | WSW 8 | WSW 11 | WSW 10 | WSW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 23 | 92 | 101 | 72 | 118 | 178 | 302 | 1164 | 1066 | 694 | 273 | 120 | 73 | 68 | 21 | 16 | 7 | 12 | 10 | 18 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | off | cross-off | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on |
High Tide | 9:25PM3.94m | 9:39AM3.57m | 9:59PM3.63m | 10:13AM3.34m | 10:34PM3.28m | 10:50AM3.07m | 11:11PM2.93m | 11:33AM2.79m | 00:01AM2.60m | 12:43PM2.54m | 1:42AM2.38m | 3:00PM2.48m | 3:52AM2.44m | |||||||
Low Tide | 3:50AM0.28m | 4:01PM0.33m | 4:25AM0.56m | 4:39PM0.65m | 5:02AM0.87m | 5:20PM0.98m | 5:43AM1.17m | 6:11PM1.30m | 6:39AM1.43m | 7:27PM1.54m | 8:08AM1.56m | 9:16PM1.56m | ||||||||
 |  | |  |  |  |  |  |  | | |  | | | | |  | | | | |
 | — | — | 5:56 | — | — | 5:58 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — |
 | — | 9:04 | — | — | 9:00 | — | 8:59 | — | — | 8:55 | — | — | 8:53 | — | — | 8:52 | — | — | 8:49 | — |
mm | — | — | — | 11 | 3 | — | 1 | 12 | 8 | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 13 | 14 | 14 | 14 |
Feels °C | 11 | 13 | 12 | 10 | 10 | 10 | 9 | 9 | 11 | 9 | 8 | 5 | 5 | 3 | 5 | 7 | 7 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 7 | WSW 8 | WSW 9 | WSW 8 | SSE 4 | — | — | W 10 | WSW 11 | WSW 10 | W 10 | W 10 | W 9 | W 9 | W 8 | W 8 | WNW 7 | WNW 6 | WNW 6 | WSW 10 |
| kJ | 23 | 92 | 101 | 72 | 5 | — | — | 367 | 1066 | 694 | 273 | 120 | 61 | 36 | 21 | 4 | 5 | 8 | 6 | 18 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | WNW 7 | NW 6 | NW 6 | — | — | — | — | — | WNW 10 | — | W 16 | W 15 | W 15 | W 14 | WSW 9 | WSW 8 | W 8 | WSW 10 | W 15 |
| kJ | 17 | 4 | 2 | 1 | — | — | — | — | — | 227 | — | 5 | 4 | 4 | 4 | 7 | 7 | 5 | 10 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | SW 12 | WSW 11 | W 8 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 5 | 12 | 5 | — |
Wind waves Height (m) Direction Period (s) | S 3 | — | — | S 4 | WSW 7 | WSW 7 | WSW 8 | WSW 11 | — | E 3 | N 4 | N 5 | N 5 | N 5 | N 4 | NNW 4 | N 3 | N 4 | — | WNW 5 |
| kJ | 2 | — | — | 9 | 118 | 178 | 302 | 1164 | — | 2 | 23 | 51 | 73 | 68 | 14 | 16 | 5 | 4 | — | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 30 | 9 | 0 | 26 | 175 | 257 | 942 | 157 | 68 | 32 | 755 | 110 | 907 | 133 | 575 | 260 | 234 | 234 | 234 | 234 |
Best forecast wave conditions in Inner Hebrides | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Cliad Bay (Coll) Surf forecast
The above surf forecast table for Cliad Bay (Coll) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cliad Bay (Coll) can be found by selecting the local surf guide option on the grey menu. Our Cliad Bay (Coll) 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 (Cliad Bay (Coll)) 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 Cliad Bay (Coll) 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.
Are you planning a holiday in Inner Hebrides? If you are looking for accommodation near Cliad Bay (Coll), camping, hotels and holiday cottages in Inner Hebrides, consider staying in Tiree which is 27 km (17 miles) away. Other places in and around Inner Hebrides where you can find information about places to rent, and car hire include Lochaline which is 49 km (30 miles) away, Mallaig, Oban and Portree.
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