Surf Forecasts:
Grishipoll Bay (Coll) surf forecast from 29 Oct 2026:
- Best quality surf: Wednesday 4 Nov, 3PM (local time) - 3.5ft (1.0m), 14s period, W swell with glassy winds.
- Most powerful swell: Thursday 29 Oct, 9PM (local time) - 6ft (1.9m), 13s period, WSW swell with 1,175 kJ wave energy.
- Next surfable swell (1★+): Sunday 1 Nov, 9PM (local time) - 3.5ft (1.1m), 11s period with W swell.
Best Forecast Surf Conditions for Grishipoll Bay (Coll) this week:
The surf forecast for Grishipoll Bay (Coll) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Nov 01) at 9PM. The primary swell is predicted to be 1.1m and 11s period with a secondary swell of 0.4m and 9s. Another secondary swell of 0.3m and 2s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Grishipoll Bay (Coll) in the next 16 days are 1.9m 13s and forecast to arrive on Thursday (Oct 29) at 9PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Friday (Oct 30) at 6AM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sun 1st Nov) | 3.5ft (1.1m) 11s |
| Best Surf | 3PM (Wed 4th Nov) | 3.5ft (1.0m) 14s |
| Most Powerful | 9PM (Thu 29th Oct) | 6ft (1.9m) 13s |
Table - best surf conditions forecast for Grishipoll Bay (Coll) over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Fri night. Very mild (max 12°C on Thu morning, min 9°C on Sat night). Winds decreasing (near gales from the SSE on Fri morning, light winds from the WNW by Sat night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 10°C on Sun night, min 9°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | |||||||||||||||
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) | WSW 10 | WSW 10 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | W 13 | W 13 | W 12 | W 13 | W 12 | W 11 | W 10 | W 10 | W 10 | W 9 | W 11 | W 15 | WSW 14 | W 14 | W 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 416 | 463 | 1157 | 923 | 1013 | 780 | 941 | 946 | 572 | 724 | 464 | 277 | 252 | 192 | 146 | 108 | 143 | 227 | 304 | 405 | 304 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | on | on | cross-on | on | on | glassy | cross-off | cross-off | off | off | off | off | off | glassy | off |
High Tide | 7:49PM3.73m | 8:11AM3.73m | 8:35PM3.41m | 9:02AM3.46m | 9:32PM3.05m | 10:10AM3.18m | 10:52PM2.75m | 11:48AM3.01m | 00:47AM2.67m | 1:32PM3.08m | 2:16AM2.83m | 2:43PM3.28m | |||||||||
Low Tide | 1:54PM0.15m | 2:14AM0.32m | 2:45PM0.41m | 3:05AM0.59m | 3:44PM0.72m | 4:06AM0.87m | 4:57PM0.98m | 5:22AM1.06m | 6:24PM1.09m | 6:47AM1.10m | 7:48PM1.00m | 8:06AM0.97m | 8:55PM0.81m | ||||||||
 | |  |  | |  | |  |  | | | | | | | | | | | | | |
 | 7:26 | — | — | 7:28 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — |
 | — | 4:51 | — | — | 4:49 | — | — | 4:45 | — | — | 4:44 | — | — | 4:42 | — | — | 4:39 | — | — | 4:37 | — |
mm | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 10 | 9 | 9 | 10 | 10 | 10 | 10 |
Feels °C | 5 | 4 | 3 | 2 | 3 | 5 | 9 | 6 | 7 | 5 | 5 | 9 | 8 | 6 | 7 | 6 | 6 | 7 | 8 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | W 13 | W 13 | W 12 | W 13 | W 12 | W 11 | W 10 | W 10 | W 10 | W 9 | W 11 | W 15 | WSW 14 | W 14 | W 12 |
| kJ | 416 | 463 | 1157 | 923 | 1013 | 780 | 941 | 946 | 572 | 724 | 464 | 277 | 252 | 192 | 146 | 108 | 143 | 227 | 304 | 405 | 304 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | — | — | — | — | W 16 | WNW 12 | S 3 | NW 4 | NW 13 | — | WSW 10 | — | — | — | — | W 18 | W 10 | W 13 | WSW 13 | WSW 6 |
| kJ | 10 | — | — | — | — | 122 | 271 | 1 | 3 | 27 | — | 32 | — | — | — | — | 57 | 52 | 130 | 96 | 3 |
Swell 3 Height (m) Direction Period (s) | N 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | WSW 15 | — | WNW 15 | — |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 42 | — | 21 | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | S 5 | S 6 | S 6 | S 6 | S 5 | S 4 | — | NW 4 | NW 4 | N 3 | — | — | — | — | S 3 | — | — | — | — | SSE 3 |
| kJ | 29 | 73 | 152 | 302 | 258 | 75 | 17 | — | 2 | 11 | 1 | — | — | — | — | 1 | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 88 | 158 | 229 | 229 | 240 | 88 | 8 | 160 | 8 | 160 | 160 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Grishipoll Bay (Coll) Surf forecast
The above surf forecast table for Grishipoll 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 Grishipoll Bay (Coll) can be found by selecting the local surf guide option on the grey menu. Our Grishipoll 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 (Grishipoll 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 Grishipoll 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 Grishipoll Bay (Coll), camping, hotels and holiday cottages in Inner Hebrides, consider staying in Tiree which is 26 km (16 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 50 km (31 miles) away, Mallaig, Oban and Portree.
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