Silver Bay (Holy Island) Surf Forecast

/ Wales – Anglesy (10 surf breaks) /

UK (471 surf breaks) / Lat Long: (53.26° N 4.62° W)

Surf Forecasts:

Silver Bay (Holy Island) surfForecast / Wales – Anglesy / UK

48hr Weather and Surf, issued 6 am Sunday 07 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

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

Today's Silver Bay (Holy Island) sea temperature is 16.8° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Silver Bay (Holy Island) today?

The current surf forecast for Silver Bay (Holy Island) at 10AM is: 2.1m 7s primary swell from a South direction and 1.3m 8s secondary swell from a Southwest direction (forecast issued at 06:00am September 07). The wind direction is predicted to be cross-onshore.

Time (BST) & Date	Wave Height	Wave Period
Morning (07 Sep)	6.5ft (2.0m)	7s
Afternoon (07 Sep)	7ft (2.2m)	8s
Evening (07 Sep)	5ft (1.6m)	9s

Table - waves today at Silver Bay (Holy Island). (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 07							Monday 08								Tuesday 09								Wed 10
	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	4 PM	7 PM	10 PM	1 AM
Rating (10 max)	0	0	0	0	0	0	0	0	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 (?)	S	S	S	SSW	SSW	SSW	SSW	SW	SW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SSW	SSW
Period(s) (?)	7	7	7	8	8	9	9	9	9	9	9	9	6	6	6	6	6	5	5	6	6	7	7	7
Wave Graph (?)
Energy (?)	260	338	689	984	554	765	313	365	328	243	237	318	142	107	123	112	109	97	102	140	127	182	200	249
Wind (km/h)	SSE	S	SSE	S	SSW	SW	SW	WSW	WSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSE	SSE	SSE	SSE	S	S	SSE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	on	on	cross- on	cross- on	on	on	cross- on	on	on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)				10:56AM 5.36				11:05PM 5.80				11:30AM 5.56				11:42PM 5.99				12:06PM 5.67				12:20AM 6.07
Low Tide / height (m)		4:40AM 0.84				4:53PM 0.95				5:16AM 0.55				5:30PM 0.71				5:53AM 0.37				6:07PM 0.57

	Sunday 07							Monday 08								Tuesday 09								Wed 10
Sunrise	-	6:37	-	-	-	-	-	-	-	6:39	-	-	-	-	-	-	-	6:39	-	-	-	-	-	-
Sunset	-	-	-	-	-	7:53	-	-	-	-	-	-	-	7:52	-	-	-	-	-	-	-	7:50	-	-

Rain (mm)	-	-	-	2	6	-	2	2	-	-	-	2	2	-	-	-	-	-	-	-	-	-	-	1
Temp. °C	19	20	19	17	16	16	15	14	14	14	14	14	15	15	15	15	14	14	15	16	17	17	15	15
Feels °C (?)	12	12	11	10	11	14	11	10	10	10	8	7	10	9	10	10	9	9	9	10	11	12	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 Wales - Anglesy

Wind Update The wind is still cross-on at Silver Bay (Holy Island) (strong winds from the S at Mona 16 km from Silver Bay (Holy Island)). 2.0m 7s swell from the SSW to make surfable waves.
1 hour 28 minutes ago Silver Bay (Holy Island)

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16 km away, 1 h 28 min ago

41 km/h

0.0

16.8

Air / Water (°C)

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