Surf Forecasts:
Marloes Sands surf forecast from 13 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 1AM (local time) - 4.5ft (1.3m), 7s period, WSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 7AM (local time) - 5.5ft (1.7m), 7s period, WSW swell with 268 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 1AM (local time) - 4.5ft (1.3m), 7s period with WSW swell.
Best Forecast Surf Conditions for Marloes Sands this week:
The surf forecast for Marloes Sands over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 1AM. The primary swell is predicted to be 1.3m and 7s period with a secondary swell of 0.1m and 17s. Another secondary swell of 0.2m and 17s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Marloes Sands in the next 16 days are 1.7m 7s and forecast to arrive on Tuesday (Aug 18) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Aug 21) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Wed 19th Aug) | 4.5ft (1.3m) 7s |
| Best Surf | 1AM (Wed 19th Aug) | 4.5ft (1.3m) 7s |
| Most Powerful | 7AM (Tue 18th Aug) | 5.5ft (1.7m) 7s |
Table - best surf conditions forecast for Marloes Sands over the next 16 days.
Short Range ForecastMostly dry. Warm (max 20°C on Thu afternoon, min 14°C on Sun morning). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Tue night. Very mild (max 18°C on Mon night, min 15°C on Sun afternoon). Winds increasing (light winds from the WNW on Sun afternoon, fresh winds from the W by Mon night). | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WSW 10 | WSW 9 | WSW 9 | W 8 | WSW 8 | WSW 7 | WSW 7 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | W 4 | WSW 4 | WSW 6 | WSW 7 | WSW 6 | WSW 7 | WSW 6 | WSW 5 | WSW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 137 | 92 | 45 | 68 | 49 | 31 | 31 | 19 | 11 | 10 | 13 | 12 | 21 | 198 | 247 | 201 | 157 | 72 | 49 | 101 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-on | cross | cross | on | cross-on | cross-on | cross-off | cross-on | cross-on | cross-off |
High Tide | 7:42PM6.24m | 8:05AM5.94m | 8:23PM6.34m | 8:45AM5.95m | 9:03PM6.25m | 9:23AM5.82m | 9:41PM5.99m | 10:00AM5.57m | 10:19PM5.60m | 10:37AM5.22m | 10:57PM5.13m | 11:16AM4.83m | 11:39PM4.65m | |||||||
Low Tide | 2:13AM-0.12m | 2:26PM-0.02m | 2:52AM-0.13m | 3:04PM0.02m | 3:29AM0.03m | 3:41PM0.20m | 4:05AM0.33m | 4:17PM0.52m | 4:39AM0.72m | 4:53PM0.91m | 5:14AM1.16m | 5:32PM1.34m | ||||||||
 |  | | | | |  |  |  | | | | |  | | |  | | | | |
 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | 6:09 | — | — | 6:11 | — | — |
 | 8:49 | — | — | 8:46 | — | — | 8:45 | — | — | 8:43 | — | — | 8:40 | — | — | 8:38 | — | — | 8:36 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 20 | 20 | 19 | 19 | 17 | 17 | 15 | 15 | 15 | 15 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 |
Feels °C | 20 | 19 | 19 | 18 | 14 | 12 | 11 | 12 | 14 | 14 | 17 | 16 | 16 | 15 | 15 | 15 | 18 | 15 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 9 | WSW 9 | W 8 | WSW 8 | WSW 7 | WSW 7 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 7 | SW 16 | SW 16 | SW 17 | SW 17 | WSW 6 | SW 16 | SW 16 |
| kJ | 137 | 92 | 45 | 68 | 49 | 31 | 31 | 19 | 11 | 10 | 10 | 5 | 4 | 11 | 11 | 11 | 12 | 72 | 10 | 38 |
Swell 2 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | S 11 | SW 13 | — | — | S 12 | SW 12 | WSW 5 | — | SW 18 | SW 18 | — | — | — | SSW 17 | SW 16 | SSW 16 | SSW 16 |
| kJ | 5 | 5 | 5 | 2 | 7 | — | — | 3 | 6 | 2 | — | 12 | 12 | — | — | — | 29 | 10 | 24 | 24 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 12 | — | — | S 12 | SW 18 | — | — | — | — | — | — | W 9 | — | — |
| kJ | — | — | — | — | — | — | 3 | — | — | 3 | 13 | — | — | — | — | — | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | W 3 | W 4 | — | N 3 | N 4 | N 5 | N 5 | N 4 | N 4 | — | W 4 | WSW 4 | WSW 6 | WSW 7 | WSW 6 | WSW 7 | NNW 4 | WSW 5 | WSW 6 |
| kJ | — | 4 | 10 | — | 3 | 9 | 27 | 11 | 3 | 1 | — | 10 | 21 | 198 | 247 | 201 | 157 | 3 | 49 | 101 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 381 | 62 | 66 | 415 | 180 | 644 | 415 | 180 | 181 | 373 | 369 | 235 | 148 | 71 | 132 | 129 | 0 | 66 | 376 | 354 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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 16 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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