Surf Forecasts:
Grishipoll Bay (Coll) surf forecast from 30 Jul 2026:
- Most powerful swell: Thursday 30 Jul, 10AM (local time) - 11ft (3.5m), 8s period, W swell with 1,541 kJ wave energy.
Best Forecast Surf Conditions for Grishipoll Bay (Coll) this week:
The most powerful waves expected at Grishipoll Bay (Coll) in the next 16 days are 3.5m 8s and forecast to arrive on Thursday (Jul 30) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Thu 30th Jul) | 11ft (3.5m) 8s |
Table - best surf conditions forecast for Grishipoll Bay (Coll) over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Very mild (max 14°C on Wed night, min 12°C on Thu morning). Winds decreasing (near gales from the WSW on Thu morning, light winds from the WSW by Fri morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Mon afternoon, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | |||||||||||||||
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) | W 8 | W 7 | W 6 | W 7 | W 7 | W 6 | W 5 | W 6 | W 6 | W 8 | W 8 | WSW 10 | SW 9 | SW 9 | N 4 | W 9 | W 9 | W 9 | W 10 | W 10 | W 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1541 | 198 | 22 | 39 | 35 | 50 | 54 | 80 | 78 | 74 | 41 | 19 | 22 | 12 | 17 | 6 | 6 | 6 | 8 | 17 | 10 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on |
High Tide | 7:30AM3.43m | 7:50PM3.72m | 8:00AM3.51m | 8:19PM3.79m | 8:30AM3.55m | 8:49PM3.81m | 9:00AM3.54m | 9:19PM3.77m | 9:32AM3.49m | 9:51PM3.67m | 10:07AM3.39m | 10:28PM3.51m | 10:48AM3.23m | 11:13PM3.29m | |||||||
Low Tide | 1:43PM0.38m | 2:08AM0.44m | 2:15PM0.29m | 2:39AM0.38m | 2:46PM0.27m | 3:11AM0.38m | 3:19PM0.31m | 3:44AM0.42m | 3:53PM0.41m | 4:20AM0.52m | 4:31PM0.56m | 5:01AM0.67m | 5:16PM0.76m | ||||||||
 |  |  | |  | | | | | | | | | |  |  | | | | | | |
 | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — | 5:26 | — | — | 5:28 | — | — | 5:31 | — | — | 5:33 | — | — |
 | — | — | 9:42 | — | — | 9:39 | — | — | 9:37 | — | — | 9:36 | — | — | 9:34 | — | — | 9:30 | — | — | 9:29 |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 13 | 14 | 15 | 14 | 13 | 15 | 15 | 13 | 14 | 14 |
Feels °C | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 9 | 11 | 12 | 11 | 10 | 13 | 12 | 10 | 10 | 12 | 13 | 9 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | — | — | W 7 | W 7 | W 7 | W 11 | WSW 10 | N 9 | WSW 9 | W 8 | W 8 | WNW 7 | SW 9 | SW 9 | SW 8 | W 9 | W 9 | W 9 | W 10 | W 10 | W 9 |
| kJ | — | — | 8 | 39 | 35 | 2 | 10 | 2 | 15 | 74 | 41 | 18 | 22 | 12 | 3 | 6 | 6 | 6 | 8 | 17 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 12 | — | — | — | N 9 | WSW 8 | WSW 8 | WSW 10 | WNW 7 | WNW 6 | W 9 | SW 8 | SW 8 | W 7 | NW 4 | NW 6 | W 11 |
| kJ | — | — | — | — | 3 | — | — | — | 2 | 13 | 13 | 19 | 9 | 4 | 7 | 3 | 2 | 1 | 1 | 2 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | N 4 | — | — | — | — | — | — | N 9 | W 10 | SW 7 | W 9 | W 9 | W 10 | W 6 | W 7 | S 8 | NW 7 | — | NW 6 |
| kJ | — | — | 1 | — | — | — | — | — | — | 1 | 2 | 2 | 7 | 7 | 2 | 1 | 1 | 1 | 2 | — | 1 |
Wind waves Height (m) Direction Period (s) | W 8 | W 7 | W 6 | — | WSW 2 | W 6 | W 5 | W 6 | W 6 | — | — | — | N 3 | NNW 4 | N 4 | NNW 4 | NNW 3 | NNW 4 | — | — | — |
| kJ | 1541 | 198 | 22 | — | 1 | 50 | 54 | 80 | 78 | — | — | — | 2 | 10 | 17 | 6 | 4 | 5 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 240 | 286 | 150 | 9 | 300 | 155 | 282 | 555 | 150 | 8 | 32 | 32 | 156 | 31 | 156 | 159 | 184 | 171 | 184 | 310 | 184 |
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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