Marloes Sands surfForecast / Wales – Pembrokeshire / UK

information circle12 Day Weather and Surf, issued 5 am Thursday 11 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Marloes Sands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marloes Sands sea temperature is
11.9° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Marloes Sands this week:

The surf forecast for Marloes Sands over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 11) at 9PM. The primary swell is predicted to be 3.5m and 13s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Marloes Sands in the next 12 days are 4.0m 20s and forecast to arrive on Thursday (Dec 18) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 4s period and expected on Wednesday (Dec 17) at 3AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 11th Dec)11ft (3.5m) 13s
Best Surf 9PM (Thu 11th Dec)11ft (3.5m) 13s
Most Powerful 9AM (Thu 18th Dec)13ft (4.0m) 20s

Table - best surf conditions forecast for Marloes Sands over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 8mm), mostly falling on Thu night. Very mild (max 12°C on Thu morning, min 8°C on Thu night). Mainly near gales.

Days 3-6 Weather Summary Heavy rain (total 40mm), heaviest during Mon afternoon. Very mild (max 12°C on Mon afternoon, min 9°C on Mon afternoon). Winds decreasing (near gales from the SSW on Sun afternoon, light winds from the WSW by Tue night).

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
!
1
0
0
0
0
0
0
0
0
0
0
2
3
3
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3.5
SW
4
SW
3.5
WSW
2.5
WSW
3
WSW
2.5
WSW
2.5
WSW
3
SW
3.5
SW
3.5
SW
4
SW
4.5
SW
2.5
SW
2.2
WSW
1.8
WSW
1.5
WSW
1.5
W
1.5
WSW
2.1
SW
3.5
SW
4.5
WSW
Period(s) (?)1013141418171589910111213131414136912
Wave
Graph
(?)Metric surfscale
Energy kJ (?)25515183413729875368404328371147175322242968461518391573112787986174632818875895
Wind
(km/h)
50
S
45
S
20
NNW
15
WSW
30
WSW
25
WSW
40
SSW
50
SSW
45
SW
50
SSW
55
SSW
55
SSW
40
S
40
S
10
NW
15
NNW
10
NW
15
SSW
50
SSW
60
SSW
40
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
off
ononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
10:51AM
4.98
11:26PM
4.45
11:53AM
4.68
12:31AM
4.27
12:59PM
4.48
1:39AM
4.23
2:04PM
4.41
2:40AM
4.33
3:03PM
4.46
3:33AM
4.50
3:53PM
4.59
4:18AM
4.70
4:38PM
4.75
Low Tide
/ height (m)
5:28PM
1.30
5:45AM
1.57
6:31PM
1.54
6:51AM
1.76
7:36PM
1.66
8:01AM
1.81
8:39PM
1.65
9:04AM
1.72
9:33PM
1.55
9:58AM
1.55
10:20PM
1.40
10:43AM
1.35
11:02PM
1.23
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Sunrise8:15--8:17--8:18--8:18--8:19--8:21--8:22--
Sunset-4:09--4:09--4:09--4:09--4:09--4:09--4:10-
part cloud
rain showers
rain showers
part cloud
cloud
part cloud
part cloud
cloud
light rain
cloud
cloud
heavy rain
mod rain
heavy rain
cloud
cloud
part cloud
part cloud
light rain
light rain
rain showers
Rain (mm)
-16-----1--191011----443
Temp. °C12121010111010111111111111121010101091211
Feels °C (?)2376531112-10345770-223
  • 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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Information about the Marloes Sands Surf forecast

The above surf forecast table for Marloes Sands provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Marloes Sands can be found by selecting the local surf guide option on the grey menu. Our Marloes Sands 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 (Marloes Sands) 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 Marloes Sands 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 Wales - Pembrokeshire? If you are looking for accommodation near Marloes Sands, camping, hotels and holiday cottages in Wales - Pembrokeshire, consider staying in Milford Haven which is 14 km (9 miles) away. Other places in and around Wales - Pembrokeshire where you can find information about places to rent, and car hire include Pembroke which is 21 km (13 miles) away, Fishguard, Aberporth and Carmarthen.

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