Machir Bay (Islay) Surf Forecast

/ Scot – Inner Hebrides (18 surf breaks) /

UK (471 surf breaks)

Surf Forecasts:

Machir Bay (Islay) surfForecast / Scot – Inner Hebrides / UK

48hr Weather and Surf, issued 6 pm Tuesday 16 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

Machir Bay (Islay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Machir Bay (Islay) sea temperature is 15.1° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Machir Bay (Islay) today?

The current surf forecast for Machir Bay (Islay) at 10PM is: 1.5m 10s primary swell from a West direction and 0.1m 9s secondary swell from a North direction (forecast issued at 06:00pm September 16). The wind direction is predicted to be cross-onshore.

Time (BST) & Date	Wave Height	Wave Period
Morning (16 Sep)	-	-
Afternoon (16 Sep)	6.5ft (2.0m)	11s
Evening (16 Sep)	5ft (1.6m)	10s

Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16			Wednesday 17								Thursday 18								Friday 19
	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	10 AM	1 PM
Rating (10 max)	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	1	3	3	2	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	W	W	W	W	W	W	W	WSW	W	WSW	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW
Period(s) (?)	11	11	10	10	10	10	9	9	9	14	14	14	13	13	12	11	11	10	10	9	9	7	8	8
Wave Graph (?)
kJ (?)	826	649	459	377	266	181	109	78	407	2430	6646	6772	5599	4346	2713	1643	1087	623	463	274	294	336	472	404
Wind (km/h)	WNW	WNW	SW	SSE	SE	SE	SSE	SSW	SW	SW	SW	SW	SW	SW	SSW	SSW	S	SSE	SE	S	WSW	SW	SW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	cross- on	cross- off	cross- off	cross- off	cross- off	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross- off	cross- off	cross	cross- on	cross- on	cross- on	cross
High Tide / height (m)	2:11PM 2.01				3:01AM 1.85				3:42PM 2.22					4:08AM 2.04				4:36PM 2.45				4:52AM 2.25
Low Tide / height (m)			8:36PM 0.96				8:54AM 0.85				9:58PM 0.79					10:02AM 0.63				10:48PM 0.60				10:49AM 0.41

	Tuesday 16			Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	-	7:00	-	-	-	-	-	-	-	7:01	-	-	-	-	-	-	-	7:03	-
Sunset	-	7:42	-	-	-	-	-	-	-	7:38	-	-	-	-	-	-	-	7:36	-	-	-	-	-	-

Rain (mm)	1	-	-	-	6	1	1	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	-
Temp. °C	14	13	13	13	11	12	14	15	16	15	14	14	14	14	13	14	14	13	14	16	15	14	13	13
Feels °C (?)	8	9	11	9	3	1	8	9	10	7	5	5	6	7	7	10	11	11	11	12	9	9	8	8

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

Wind Update Continuing clean conditions at Machir Bay (Islay) (light winds from the N at Islay:portEllen 17 km from Machir Bay (Islay)). A 1.4m swell from the W
1 hour 19 minutes ago Machir Bay (Islay)

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17 km away, 1 h 19 min ago

6 km/h

0.0

15.1

Air / Water (°C)

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