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Grishipoll Bay (Coll) Surf Forecast
/ Scot – Inner Hebrides (18 surf breaks) /
Surf Forecasts:
Grishipoll Bay (Coll) surfForecast / Scot – Inner Hebrides / UK
48hr Weather and Surf, issued 12 pm Sunday 19 Oct 2025 BST
How big are the waves at Grishipoll Bay (Coll) today?
The current surf forecast for Grishipoll Bay (Coll) at 4PM is: 0.5m 10s primary swell from a West-southwest direction (forecast issued at 12:00pm October 19). An open ocean swell of 1.0m 7s is not directed at the surf break, a second open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 2.5ft (0.7m) | 11s |
| Afternoon (19 Oct) | 1.5ft (0.5m) | 10s |
| Evening (19 Oct) | 1.5ft (0.5m) | 13s |
Table - waves today at Grishipoll Bay (Coll). (Swell directed towards the surf break)
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 10 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 5 | 6 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 79 | 65 | 62 | 56 | 92 | 294 | 256 | 242 | 238 | 234 | 242 | 242 | 176 | 138 | 95 | 72 | 69 | 67 | 38 | 37 | 66 | 197 | 108 | 144 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 5:59PM 3.70 | 6:14AM 3.56 | 6:26PM 3.78 | 6:40AM 3.68 | 6:53PM 3.81 | |||||||||||||||||||
Low Tide / height (m) | 11:48AM 0.46 | 12:12AM 0.37 | 12:21PM 0.32 | 12:41AM 0.28 | 12:52PM 0.25 | 1:09AM 0.25 | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - |
| Sunset | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - |
 |  | |  | | |  | |  | | |  | | |  | |  |  | | | | | | | |
Rain (mm) | 6 | 4 | 5 | 4 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 3 | 1 | - | - | - |
| Temp. °C | 12 | 12 | 12 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 3 | 5 | 5 | 7 | 9 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 8 | 7 | 5 | 2 | 3 | 5 | 4 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Scot - Inner Hebrides
The wind is still cross-off at Grishipoll Bay (Coll) (light winds from the SSE at Tiree 26 km from Grishipoll Bay (Coll)). 0.5m 10s swell from the WSW to make surfable waves.
26 km away, 1 h 31 min ago
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