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Marloes Sands Surf Forecast
/ Wales – Pembrokeshire (19 surf breaks) /
Surf Forecasts:
Marloes Sands surfForecast / Wales – Pembrokeshire / UK
12 Day Weather and Surf, issued 12 am Thursday 18 Sep 2025 BST
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 Friday (Sep 19) at 4PM. The primary swell is predicted to be 1.7m and 10s period with a secondary swell of 0.1m and 16s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Marloes Sands in the next 12 days are 2.4m 12s and forecast to arrive on Thursday (Sep 18) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 10s period and expected on Sunday (Sep 21) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Fri 19th Sep) | 5.5ft (1.7m) 10s |
| Best Surf | 4PM (Fri 19th Sep) | 5.5ft (1.7m) 10s |
| Most Powerful | 7AM (Thu 18th Sep) | 8ft (2.4m) 12s |
Table - best surf conditions forecast for Marloes Sands over the next 12 days.
Short Range Forecast Light rain (total 7mm), mostly falling on Wed night. Very mild (max 17°C on Thu afternoon, min 14°C on Fri afternoon). Winds decreasing (strong winds from the SSW on Thu afternoon, calm by Fri afternoon). | Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Sun afternoon. Very mild (max 17°C on Sat night, min 11°C on Mon night). Winds decreasing (strong winds from the SE on Sun morning, light winds from the NE by Tue morning). | |||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 9 | 10 | 10 | 9 | 9 | 9 | 5 | 10 | 8 | 13 | 13 | 13 | 13 | 12 | 15 | 13 | 12 | 11 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 1587 | 1448 | 371 | 780 | 846 | 565 | 305 | 158 | 90 | 53 | 182 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 25 | 23 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross- off | cross | cross | cross- on | cross- on | cross | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross | |
High Tide / height (m) | 4:40AM 4.43 | 5:03PM 4.84 | 5:34AM 4.81 | 5:51PM 5.24 | 6:14AM 5.16 | 6:29PM 5.57 | 6:49AM 5.45 | 7:03PM 5.80 | 7:21AM 5.66 | 7:35PM 5.92 | 7:52AM 5.76 | 8:06PM 5.91 | 8:21AM 5.75 | |||||||||
Low Tide / height (m) | 10:42PM 1.46 | 11:06AM 1.44 | 11:39PM 1.06 | 11:55AM 1.04 | 12:22AM 0.70 | 12:35PM 0.70 | 12:57AM 0.44 | 1:08PM 0.45 | 1:29AM 0.27 | 1:39PM 0.31 | 1:58AM 0.22 | 2:09PM 0.26 | 2:26AM 0.27 | 2:37PM 0.33 | ||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | ||||||||||||||||
| Sunrise | - | 6:58 | - | - | 7:01 | - | - | 7:01 | - | - | 7:03 | - | - | 7:05 | - | - | 7:07 | - | - | 7:09 | - | |
| Sunset | - | - | 7:29 | - | - | 7:27 | - | - | 7:24 | - | - | 7:22 | - | - | 7:20 | - | - | 7:17 | - | - | 7:15 | |
 |  |  |  | | |  | |  | | |  | | |  |  |  | | | | | ||
Rain (mm) | 1 | 1 | - | - | 2 | - | 1 | - | 2 | 4 | 4 | 15 | 2 | 1 | - | - | - | - | - | - | - | |
| Temp. °C | 16 | 16 | 17 | 17 | 16 | 15 | 16 | 16 | 17 | 17 | 15 | 15 | 14 | 13 | 15 | 13 | 13 | 13 | 14 | 13 | 13 | |
| Feels °C (?) | 12 | 11 | 12 | 11 | 12 | 15 | 15 | 13 | 15 | 9 | 7 | 9 | 6 | 7 | 9 | 7 | 8 | 9 | 10 | 9 | 10 | |
- 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 - Pembrokeshire
The wind is still cross-on at Marloes Sands (light winds from the WSW at MilfordHavenConservancy Board 11 km from Marloes Sands). A 2.7m groundswell from the WSW is too big for here
Actual: 39 min ago
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 Marloes Sands 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.
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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