Surf Forecasts:
Mablethorpe surf forecast from 28 Aug 2026:
- Most powerful swell: Thursday 3 Sep, 10PM (local time) - 1ft (0.3m), 10s period, N swell with 19 kJ wave energy.
Best Forecast Surf Conditions for Mablethorpe this week:
The most powerful waves expected at Mablethorpe in the next 16 days are 0.3m 10s and forecast to arrive on Thursday (Sep 03) at 10PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Sunday (Aug 30) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Thu 3rd Sep) | 1ft (0.3m) 10s |
Table - best surf conditions forecast for Mablethorpe over the next 16 days.
The Lowdown
Right folks, let’s have a look at what’s coming up for Mablethorpe. I’ll be straight with you, the next week and a half is a tough one for us. The swell is tiny and the wind is all over the place, so there’s just nothing to get excited about until the 5th of September.
There’s a long stretch of flat to tiny waves from now through to the 5th of September. You’ll see a few 0.7ft to 2ft pulses, but they’re short period, weak, and the wind is mostly cross-off or cross-on, keeping it messy. The combined energy is low, barely hitting 16 (weak energy). You’re better off finding something else to do.
Then on the 5th of September, we get a bit of a glimmer. Saturday afternoon sees a small 2ft swell from the north with a 9-second period. The wind goes glassy, which is a proper treat. The combined energy is still only 80 (weak), but it’s surfable. It’s just ordinary, not a standout. The water temp is sitting at 67°F, which is a massive 7° warmer than normal for this time of year – very unusual, so you’ll be comfortable without a steamer.
Now, the real news is Wednesday the 9th of September. The swell jumps to 6ft from the north, with a long 12-second period. The combined energy is a solid 855 (strong wave energy). The wind is offshore and moderate, setting up clean conditions. This is the best on offer, but that 6ft is pushing into the too-big-for-beginners zone. The long period groundswell will be lining up nicely, but it might break a bit straight at the beach. It’s an expert-to-intermediate wave, and it’s likely to be crowded, as crowds are sometimes an issue here. The water will still be unusually warm.
After that, the wind goes south and cross-onshore, and the swell drops quickly, so it’s back to poor conditions through the 10th to the 12th of September.
So, the standouts: the glassy session on Saturday the 5th is your only chance for a clean, small wave for the learners. The real pick of the 16 days is Wednesday the 9th of September – that 6ft, 12-second north swell with offshore wind is where the power is. Keep an eye on the long-range call, as it’s a bit further out, but it’s looking promising.
For the rest of it, it’s a waiting game.
Rusty
Short Range ForecastModerate rain (total 10mm), heaviest on Sun afternoon. Warm (max 21°C on Fri afternoon, min 13°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Wed afternoon. Warm (max 21°C on Tue afternoon, min 14°C on Mon night). Mainly strong winds. | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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) | NE 6 | NE 7 | NE 8 | NNE 7 | N 3 | N 6 | N 6 | N 6 | N 7 | NNE 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 8 | N 11 | N 11 | N 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 16 | 13 | 9 | 5 | 8 | 12 | 7 | 7 | 9 | 9 | 14 | 12 | 7 | 6 | 3 | 3 | 12 | 10 | 9 | 17 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | off | off | off |
High Tide | 7:19PM5.07m | 7:22AM5.55m | 7:50PM5.24m | 7:53AM5.70m | 8:21PM5.33m | 8:26AM5.73m | 8:53PM5.31m | 9:01AM5.65m | 9:28PM5.18m | 9:39AM5.44m | 10:06PM4.95m | 10:22AM5.12m | 10:51PM4.62m | |||||||
Low Tide | 1:26AM0.75m | 1:51PM0.13m | 1:58AM0.60m | 2:23PM0.02m | 2:31AM0.54m | 2:56PM0.05m | 3:05AM0.57m | 3:30PM0.22m | 3:40AM0.69m | 4:07PM0.51m | 4:19AM0.91m | 4:49PM0.90m | ||||||||
 |  |  |  |  |  |  |  | | |  | | | | | | | | | | |
 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — |
 | 7:58 | — | — | 7:55 | — | — | 7:53 | — | — | 7:51 | — | — | 7:49 | — | — | 7:46 | — | — | 7:44 | — |
mm | 1 | — | — | 3 | 2 | — | 3 | 1 | — | — | — | — | — | — | 3 | 4 | — | — | 1 | — |
Temp °C | 21 | 17 | 18 | 17 | 16 | 20 | 21 | 18 | 20 | 20 | 15 | 19 | 21 | 17 | 16 | 18 | 18 | 18 | 19 | 15 |
Feels °C | 16 | 14 | 14 | 15 | 14 | 17 | 17 | 14 | 16 | 14 | 10 | 14 | 15 | 14 | 12 | 13 | 14 | 11 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 7 | NE 8 | NNE 7 | ESE 4 | N 6 | N 6 | N 6 | N 7 | NNE 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 8 | N 7 | N 6 | N 10 |
| kJ | 16 | 13 | 9 | 5 | 1 | 12 | 7 | 7 | 9 | 9 | 14 | 12 | 7 | 6 | 3 | 3 | 12 | 4 | 3 | 17 |
Swell 2 Height (m) Direction Period (s) | — | ENE 6 | N 6 | N 6 | NE 6 | NE 4 | ENE 4 | — | SE 4 | — | — | — | — | — | N 9 | N 9 | SE 5 | N 11 | N 11 | N 6 |
| kJ | — | 4 | 3 | 3 | 2 | 3 | 1 | — | 1 | — | — | — | — | — | 2 | 2 | 1 | 10 | 9 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 13 | NW 4 | N 9 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 6 | — |
Wind waves Height (m) Direction Period (s) | SW 3 | WSW 3 | SW 3 | S 3 | N 3 | — | S 2 | SSW 3 | W 2 | — | WNW 3 | — | — | — | — | SW 2 | SW 3 | W 3 | W 3 | — |
| kJ | 2 | 3 | 2 | 1 | 8 | — | 1 | 1 | 1 | — | 2 | — | — | — | — | 1 | 9 | 5 | 5 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 149 | 153 | 157 | 384 | 325 | 396 | 408 | 321 | 359 | 325 | 137 | 318 | 562 | 444 | 492 | 632 | 451 | 1142 | 653 | 582 |
Best forecast wave conditions in Lincolnshire | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
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Information about the Mablethorpe Surf forecast
The above surf forecast table for Mablethorpe provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mablethorpe can be found by selecting the local surf guide option on the grey menu. Our Mablethorpe 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 (Mablethorpe) 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 Mablethorpe 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.
Mablethorpe is 20 km (12 miles) from Skegness. If you plan a holiday in Lincolnshire, look for hotels and other accommodation in Skegness. Skegness has rooms for a wide range of budgets as well as car hire and transport links.
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