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Surf Forecasts:

Grishipoll Bay (Coll) surfForecast / Scot – Inner Hebrides / UK

information circle12 Day Weather and Surf, issued 12 pm Sunday 19 Oct 2025 BST
Forecast update in hr  min  s Forecast update imminent
Grishipoll Bay (Coll) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grishipoll Bay (Coll) sea temperature is
13.5° C
 (Which is 1.2°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Grishipoll Bay (Coll) this week:

The surf forecast for Grishipoll Bay (Coll) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Oct 20) at 1AM. The primary swell is predicted to be 1.0m and 12s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Grishipoll Bay (Coll) in the next 12 days are 1.9m 10s and forecast to arrive on Friday (Oct 24) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Sunday (Oct 19) at 7PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Mon 20th Oct)3.5ft (1.0m) 12s
Best Surf 1AM (Mon 20th Oct)3.5ft (1.0m) 12s
Most Powerful 1AM (Fri 24th Oct)6ft (1.9m) 10s

Table - best surf conditions forecast for Grishipoll Bay (Coll) over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 28mm), heaviest during Sun morning. Very mild (max 13°C on Sun night, min 11°C on Tue night). Winds decreasing (strong winds from the SE on Sun morning, light winds from the S by Mon afternoon).

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Thu night. Very mild (max 11°C on Wed morning, min 8°C on Fri night). Winds increasing (light winds from the ENE on Wed night, near gales from the N by Fri afternoon).

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
WSW
0.5
WSW
1
WSW
1
WSW
1
WSW
0.8
WSW
0.6
WSW
0.4
WSW
1.6
WNW
1.5
W
1.3
WSW
0.9
WSW
0.5
W
1.6
NW
1.9
WNW
1.3
W
2.1
NNW
1.7
NNW
1.2
NW
1.2
NW
1.8
NW
Period(s) (?)11101211111010106767135101076556
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7962294238242138693819719314773901297253273941977373229
Wind
(km/h)
50
SE
35
ESE
25
SE
20
SSE
20
S
20
SSE
15
SSE
25
WNW
35
WNW
25
SW
20
SW
35
SE
15
NNE
20
N
40
NNW
45
N
55
N
45
N
40
NNW
40
NNW
40
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		crosscrossoffcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
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
7:06AM
3.75
7:20PM
3.77
7:33AM
3.74
7:47PM
3.67
8:01AM
3.67
8:15PM
3.52
8:29AM
3.53
8:43PM
3.32
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
1:22PM
0.24
1:37AM
0.28
1:52PM
0.31
2:05AM
0.38
2:22PM
0.44
2:33AM
0.54
2:53PM
0.63
3:04AM
0.73
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunrise8:04--8:07--8:10--8:11--8:14--8:15--8:18--
Sunset-6:15--6:13--6:09--6:07--6:05--6:02--6:00-
mod rain
mod rain
rain showers
clear
clear
part cloud
part cloud
mod rain
light rain
rain showers
light rain
rain showers
cloud
light rain
light rain
light rain
part cloud
rain showers
rain showers
rain showers
cloud
Rain (mm)
1092----61112-141-122-
Temp. °C12121313131212121111111111111111109888
Feels °C (?)359101099725635632-2-3-2-2-2
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Scot - Inner Hebrides

  1. weather stationWind Update 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.

    1 hour 13 minutes ago Grishipoll Bay (Coll)
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26 km away, 1 h 13 min ago

17 km/h
SSE
0.0
13.5
Air / Water (°C)
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grishipoll Bay (Coll) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Grishipoll Bay (Coll) at:
surf-forecast.com

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 12 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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