Surf Forecasts:
Whitesand Bay surf forecast from 15 Aug 2026:
- Most powerful swell: Thursday 20 Aug, 1AM (local time) - 5.5ft (1.7m), 7s period, W swell with 266 kJ wave energy.
Best Forecast Surf Conditions for Whitesand Bay this week:
The most powerful waves expected at Whitesand Bay in the next 16 days are 1.7m 7s and forecast to arrive on Thursday (Aug 20) at 1AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 5s period and expected on Friday (Aug 21) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Thu 20th Aug) | 5.5ft (1.7m) 7s |
Table - best surf conditions forecast for Whitesand Bay over the next 16 days.
The Lowdown
Alright, let me tell you how things are looking for our bit of coastline.
Honestly, it’s a pretty grim stretch ahead. We’ve got a long, long run of flat or junk surf for nearly two weeks. From now through the 24th of August, it’s pretty much a write-off. The swell is tiny and weak, barely registering any energy, and the winds are mostly cross or onshore, mashing up whatever dribble does roll in. There’s a solid gap of days with absolutely nothing worth paddling out for.
But hold on, after all that waiting, something finally shows up on Tuesday the 25th of August. That’s your one and only true standout, and it’s still a bit of a gamble this far out. The morning at Whitesand Bay is the only time in the whole 16 days that gets a real nod. We’re seeing chest to head high swell, around 6ft, pushing in from the S. What really makes it special is the wind: a light offshore breeze from the NE, just about glassy. Clean, lined-up waves. The energy is moderate (288), so there’s a decent push behind it. The period is short, only 6 seconds, so it won’t be the most powerful stuff, but with clean conditions, it’ll still be fun.
That afternoon, the wind swings and the swell drops, so the window is small. Just that Tuesday morning is the play. The rest of the run-up to that day is flat, and everything after the 25th drops back into onshore chop and weak dribble. It’s a long wait for one tidy session.
Rusty
Short Range ForecastMostly dry. Very mild (max 18°C on Sun night, min 14°C on Sat morning). Winds decreasing (fresh winds from the N on Sat morning, calm by Sun morning). | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Tue night. Very mild (max 19°C on Mon night, min 14°C on Tue night). Winds increasing (light winds from the SW on Tue afternoon, strong winds from the WNW by Wed night). | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
AM | 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 7 | WSW 7 | WSW 8 | WSW 7 | WSW 5 | SW 18 | WSW 5 | WSW 5 | WSW 4 | WSW 6 | WSW 6 | WSW 6 | W 6 | WSW 6 | W 7 | W 6 | WSW 6 | WSW 6 | WSW 6 | N 5 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 31 | 31 | 19 | 11 | 5 | 13 | 29 | 15 | 15 | 104 | 57 | 43 | 74 | 131 | 266 | 219 | 237 | 107 | 37 | 29 | 25 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | glassy | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | cross | cross-off |
High Tide | 9:28AM4.10m | 9:46PM4.47m | 10:06AM4.01m | 10:24PM4.26m | 10:42AM3.83m | 11:01PM3.96m | 11:19AM3.60m | 11:38PM3.59m | 11:56AM3.32m | 00:18AM3.22m | 12:39PM3.04m | 1:07AM2.88m | 1:37PM2.78m | 2:21AM2.63m | |||||||
Low Tide | 3:41PM0.09m | 4:11AM0.10m | 4:16PM0.22m | 4:45AM0.31m | 4:51PM0.43m | 5:17AM0.59m | 5:26PM0.69m | 5:50AM0.89m | 6:03PM0.99m | 6:27AM1.19m | 6:50PM1.29m | 7:18AM1.46m | 8:02PM1.54m | ||||||||
 |  |  | |  |  | | | | | |  | | | | | |  | | | | |
 | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — |
 | — | 8:45 | — | — | 8:43 | — | — | 8:40 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 16 | 16 | 18 | 15 | 17 | 19 | 18 | 18 | 18 | 16 | 17 | 17 | 16 | 19 | 17 | 14 | 15 | 14 |
Feels °C | 9 | 12 | 11 | 15 | 15 | 18 | 14 | 14 | 16 | 17 | 18 | 17 | 12 | 11 | 11 | 9 | 14 | 13 | 10 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 5 | WSW 5 | WSW 7 | SW 16 | WSW 6 | WSW 6 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | WSW 6 | WSW 6 | WSW 6 | WSW 9 |
| kJ | 31 | 31 | 19 | 11 | 5 | 5 | 29 | 15 | 9 | 11 | 57 | 43 | 10 | 10 | 38 | 8 | 33 | 107 | 37 | 11 | 25 |
Swell 2 Height (m) Direction Period (s) | S 14 | — | S 12 | WSW 5 | — | SW 18 | SW 18 | NNW 3 | SW 16 | W 9 | SW 17 | N 4 | W 10 | — | — | — | — | SW 14 | WSW 9 | WSW 9 | N 5 |
| kJ | 4 | — | 3 | 4 | — | 13 | 12 | 1 | 11 | 2 | 11 | 5 | 2 | — | — | — | — | 32 | 15 | 16 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | N 4 | S 12 | — | — | W 7 | — | — | — | SW 17 | — | — | — | — | — | — | SW 13 | SSW 13 | SSW 13 |
| kJ | — | — | — | 1 | 3 | — | — | 4 | — | — | — | 12 | — | — | — | — | — | — | 7 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | N 4 | — | WSW 5 | WSW 4 | NNW 4 | — | WSW 4 | WSW 6 | — | NW 4 | W 6 | WSW 6 | W 7 | W 6 | WSW 6 | NNW 4 | N 5 | N 5 | — |
| kJ | 14 | 16 | 9 | — | 4 | 5 | 2 | — | 15 | 104 | — | 4 | 74 | 131 | 266 | 219 | 237 | 3 | 27 | 29 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 374 | 352 | 200 | 200 | 330 | 128 | 230 | 350 | 332 | 230 | 319 | 137 | 379 | 396 | 379 | 380 | 374 | 44 | 71 | 200 | 112 |
Best forecast wave conditions in Wales - Pembrokeshire | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Whitesand Bay Surf forecast
The above surf forecast table for Whitesand Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Whitesand Bay can be found by selecting the local surf guide option on the grey menu. Our Whitesand Bay 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 (Whitesand Bay) 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 Whitesand Bay 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 Whitesand Bay, camping, hotels and holiday cottages in Wales - Pembrokeshire, consider staying in Fishguard which is 28 km (17 miles) away. Other places in and around Wales - Pembrokeshire where you can find information about places to rent, and car hire include Milford Haven which is 31 km (19 miles) away, Pembroke, Aberporth and Carmarthen.
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