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Surf Forecasts:

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

information circle12 Day Weather and Surf, issued 5 am Saturday 31 Jan 2026 GMT
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
8.5° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Silver Bay (Holy Island) this week:

The surf forecast for Silver Bay (Holy Island) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Feb 02) at 12AM. The primary swell is predicted to be 0.6m and 8s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Silver Bay (Holy Island) in the next 12 days are 1.0m 16s and forecast to arrive on Saturday (Jan 31) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Tuesday (Feb 03) at 12AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 2nd Feb)2ft (0.6m) 8s
Best Surf12AM (Mon 2nd Feb)2ft (0.6m) 8s
Most Powerful 3PM (Sat 31st Jan)3.5ft (1.0m) 16s

Table - best surf conditions forecast for Silver Bay (Holy Island) over the next 12 days.

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

Short Range Forecast Moderate rain (total 16mm), heaviest on Mon night. Mild temperatures (max 9°C on Sat afternoon, min 5°C on Sun night). Winds increasing (calm on Sun night, strong winds from the E by Mon night).

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Tue morning. Mild temperatures (max 8°C on Wed morning, min 4°C on Tue afternoon). Winds increasing (light winds from the E on Wed morning, strong winds from the E by Thu night).

Saturday
31
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
0
0
0
0
1
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SW
1
SW
1.1
SW
0.5
SW
0.8
SW
0.3
SW
0.5
SW
0.4
SSW
0.4
SSW
0.7
SSW
1.3
SSW
1
SSW
0.4
SW
1.1
SSW
1.1
SSW
0.9
SSW
1.2
SSW
0.7
SSW
0.4
SW
0.4
SW
0.6
SW
Period(s) (?)16169128188889881567999171714
Wave
Graph
(?)Metric surfscale
Energy kJ (?)24550418372825534262371235143761081251392436873101128
Wind
(km/h)
15
ESE
25
W
20
SW
25
W
30
WNW
5
N
25
ENE
30
E
40
E
35
E
20
E
25
E
10
E
20
ESE
20
E
35
E
35
E
40
E
30
E
30
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
on		oncross-
on		cross-
on		glasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
9:01AM
5.31
9:29PM
5.33
9:49AM
5.63
10:16PM
5.51
10:32AM
5.85
10:58PM
5.59
11:13AM
5.95
11:37PM
5.57
11:52AM
5.92
12:15AM
5.46
12:29PM
5.77
12:51AM
5.28
1:05PM
5.53
1:26AM
5.07
Low Tide
/ height (m)
3:10PM
1.05
3:29AM
1.15
3:59PM
0.72
4:14AM
0.92
4:43PM
0.51
4:55AM
0.78
5:25PM
0.45
5:35AM
0.76
6:05PM
0.52
6:13AM
0.84
6:44PM
0.72
6:50AM
1.03
7:21PM
1.01
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Sunrise8:04--8:03--8:00--8:00--7:58--7:56--7:54--
Sunset-4:59--5:00--5:01--5:04--5:06--5:07--5:09-
light rain
rain showers
rain showers
light rain
clear
clear
part cloud
part cloud
mod rain
light rain
light rain
mod rain
part cloud
cloud
rain showers
cloud
cloud
cloud
part cloud
part cloud
part cloud
Rain (mm)
2212----9336--1------
Temp. °C898887677766888875554
Feels °C (?)43221210-2-102432-1-2-5-3-3-4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Silver Bay (Holy Island) at:
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Information about the Silver Bay (Holy Island) Surf forecast

The above surf forecast table for Silver Bay (Holy Island) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Silver Bay (Holy Island) can be found by selecting the local surf guide option on the grey menu. Our Silver Bay (Holy Island) 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 (Silver Bay (Holy Island)) 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 Silver Bay (Holy Island) 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 Anglesy? If you are looking for accommodation near Silver Bay (Holy Island), camping, hotels and holiday cottages in Anglesy, consider staying in Anglesey which is 6 km (4 miles) away. Other places in and around Anglesy where you can find information about places to rent, and car hire include Holyhead which is 6 km (4 miles) away, Bangor, Porthmadog and Llandudno.

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