Surf Forecasts:
Mablethorpe surf forecast from 8 Sep 2026:
- Most powerful swell: Wednesday 9 Sep, 10AM (local time) - 5ft (1.5m), 9s period, N swell with 343 kJ wave energy.
Best Forecast Surf Conditions for Mablethorpe this week:
The most powerful waves expected at Mablethorpe in the next 16 days are 1.5m 9s and forecast to arrive on Wednesday (Sep 09) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Sep 09) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Wed 9th Sep) | 5ft (1.5m) 9s |
Table - best surf conditions forecast for Mablethorpe over the next 16 days.
The Lowdown
Alright crew, Rusty here again. I’ve looked over the same stretch for Mablethorpe, and I’ll give it to you straight—sixteen days and not a single proper wave. It’s a total flat spell, so don’t bother loading the wax.
The water is a weird 65° Fahrenheit, which is about 6° warmer than usual for this time of year. That’s a real oddity, but with no swell, it’s just a warm bath.
First up, on Tuesday, September 8th, we’ve got a 0.3ft north swell with a weak 8-second period and a combined energy of just 1. The wind is offshore but the surf is non-existent. Wednesday the 9th brings a 4ft wave in the morning and energy jumps to 234, but the wind is cross-offshore and the surf is still classified as poor. The afternoon energy hits 371 but the wind turns cross-onshore and it gets choppy.
After that, it’s a long, boring stretch. The biggest wave we see is 3ft on the 19th, but that’s a north swell with a 7-second period and energy of 66, and the wind is cross-onshore. The 18th has a glassy afternoon with a 1ft north-northeast swell and a 9-second period, energy at 28, but it’s tiny. Everything else is 0.7ft to 2ft with poor conditions.
Mablethorpe is a beginner spot that’s inconsistent, and this run proves it. There’s a gap of about 16 days with no surfable waves. If you’re into kiting, maybe the 15th with 25 mph winds could be fun, but for surfing, you’re out of luck. Forecasts can change, so keep an eye out, but for now, it’s a solid pass.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Tue morning. Very mild (max 19°C on Thu afternoon, min 12°C on Wed night). Winds decreasing (fresh winds from the W on Tue night, light winds from the ENE by Wed afternoon). | Days 4-6 Weather SummarySome drizzle, heaviest during Sat night. Very mild (max 19°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||
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) | N 8 | N 8 | WNW 4 | N 9 | N 8 | NNE 7 | N 6 | N 6 | NNE 7 | NNE 8 | N 8 | N 6 | N 6 | N 11 | SW 3 | NNW 3 | N 4 | N 6 | NNE 5 | N 13 | N 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1 | 1 | 0 | 343 | 289 | 49 | 20 | 21 | 16 | 13 | 5 | 6 | 3 | 2 | 0 | 0 | 9 | 16 | 5 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-on | cross | cross-off | cross-off | cross-off |
High Tide | 4:54PM4.61m | 5:06AM4.90m | 5:47PM4.98m | 5:54AM5.34m | 6:32PM5.28m | 6:36AM5.68m | 7:10PM5.47m | 7:15AM5.87m | 7:46PM5.54m | 7:52AM5.89m | 8:19PM5.48m | 8:27AM5.76m | 8:51PM5.31m | ||||||||
Low Tide | 10:51AM1.12m | 11:18PM1.38m | 11:46AM0.60m | 00:06AM1.03m | 12:31PM0.16m | 00:46AM0.74m | 1:10PM-0.11m | 1:22AM0.54m | 1:46PM-0.19m | 1:56AM0.44m | 2:19PM-0.09m | 2:28AM0.44m | 2:50PM0.15m | 2:58AM0.55m | |||||||
 |  |  | | |  | | |  | | | | | | | |  | |  | | | |
 | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — |
 | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — |
mm | 2 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 16 | 18 | 14 | 15 | 15 | 14 | 17 | 19 | 17 | 18 | 18 | 16 | 18 | 19 | 18 | 19 | 16 | 17 | 21 | 25 | 22 |
Feels °C | 11 | 12 | 7 | 10 | 11 | 12 | 12 | 14 | 12 | 14 | 14 | 15 | 12 | 15 | 15 | 17 | 15 | 17 | 18 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | N 8 | N 8 | — | — | N 8 | NNE 7 | N 6 | N 6 | NNE 7 | NNE 8 | N 8 | N 6 | N 6 | N 5 | — | — | N 14 | N 6 | NNE 5 | NNE 5 | N 12 |
| kJ | 1 | 1 | — | — | 157 | 49 | 20 | 21 | 16 | 13 | 5 | 6 | 3 | 2 | — | — | 4 | 16 | 5 | 2 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 5 | N 7 | N 4 | N 11 | — | — | — | N 14 | N 13 | N 13 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 1 | 2 | — | — | — | 4 | 3 | 3 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 4 | — | — | — | — | — | — | — | — | — | — | NE 5 |
| kJ | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | WSW 3 | W 3 | WNW 4 | N 9 | N 8 | — | — | S 3 | SSW 3 | WNW 3 | — | — | — | SSW 2 | SW 3 | NNW 3 | N 4 | — | SSW 2 | SSW 2 | SW 2 |
| kJ | 1 | 2 | 17 | 343 | 289 | — | — | 2 | 4 | 1 | — | — | — | 1 | 2 | 2 | 9 | — | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 318 | 1113 | 444 | 182 | 93 | 6 | 298 | 425 | 359 | 317 | 308 | 318 | 390 | 485 | 563 | 325 | 446 | 50 | 298 | 498 | 442 |
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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