Surf Forecasts:
Mablethorpe surf forecast from 21 Jul 2026:
- Best quality surf: Thursday 23 Jul, 1AM (local time) - 2.5ft (0.8m), 7s period, NNE swell with cross-offshore winds.
- Most powerful swell: Wednesday 22 Jul, 4PM (local time) - 3.5ft (1.0m), 8s period, N swell with 124 kJ wave energy.
- Next surfable swell (1★+): Thursday 23 Jul, 1AM (local time) - 2.5ft (0.8m), 7s period with NNE swell.
Best Forecast Surf Conditions for Mablethorpe this week:
The surf forecast for Mablethorpe over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 23) at 1AM. The primary swell is predicted to be 0.8m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Mablethorpe in the next 16 days are 1.0m 8s and forecast to arrive on Wednesday (Jul 22) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Monday (Jul 27) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Thu 23rd Jul) | 2.5ft (0.8m) 7s |
| Best Surf | 1AM (Thu 23rd Jul) | 2.5ft (0.8m) 7s |
| Most Powerful | 4PM (Wed 22nd Jul) | 3.5ft (1.0m) 8s |
Table - best surf conditions forecast for Mablethorpe over the next 16 days.
The Lowdown
Alright, let’s break down the Mablethorpe forecast. I’ll be straight with you, it’s a total dud for the entire 16-day period. Not one session worth getting wet for. The data is all saying the same thing: poor surf conditions from start to finish. This is a long, flat stretch.
The water temp on Tuesday the 21st is 67°, which is about 8° warmer than what’s normal for this time of year. That’s a real oddity, but with no waves, it doesn’t help us.
The first few days, from the 21st through the 24th, we’ve got tiny, weak swell. Heights are between 1 ft and 3 ft, with short periods of 6 to 8 seconds, so no real power. The combined energy is mostly low, peaking at 127 on Wednesday afternoon, which is moderate but still not enough to make anything worthwhile. Winds are mixed, but even when it’s glassy or offshore, there’s no swell to work with.
From the 25th of July all the way to the 5th of August, it gets even worse. Swell heights drop to 0.3 ft to 1.0 ft, with periods as short as 3 seconds. The energy numbers are pathetic, mostly single digits. There’s a tiny bump on the 1st of August, with 3 ft of short-period NE windswell, but the wind is screaming from the N at 22 mph, turning it into a lumpy, choppy mess. That’s more of a kite-surfing setup than a paddle-surfing one.
For a spot like Mablethorpe, which is inconsistent anyway, a blank run like this is pretty standard. Don’t bother checking the buoys, just leave the boards in the shed and find something else to do for a couple of weeks.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Fri morning, min 14°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Fri afternoon, min 12°C on Sat night). Winds increasing (calm on Fri afternoon, fresh winds from the WNW by Sun afternoon). | |||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||
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) | NNE 6 | NNE 5 | N 6 | N 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | N 6 | N 6 | N 6 | N 4 | N 4 | N 11 | N 10 | N 6 | N 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 25 | 11 | 19 | 124 | 71 | 48 | 53 | 36 | 26 | 15 | 7 | 3 | 3 | 3 | 1 | 1 | 2 | 2 | 16 | 20 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-off | cross | cross-off | cross-off | on | cross | off | glassy | off | off | off | off | off | off | off | off | cross-off | cross-off |
High Tide | 00:27AM4.17m | 12:38PM4.33m | 1:25AM3.98m | 1:45PM4.07m | 2:29AM3.89m | 2:56PM3.97m | 3:33AM3.93m | 4:02PM4.03m | 4:31AM4.10m | 4:59PM4.19m | 5:21AM4.34m | 5:47PM4.38m | ||||||||
Low Tide | 6:01PM1.21m | 6:12AM1.77m | 6:50PM1.58m | 7:08AM1.96m | 7:52PM1.86m | 8:23AM2.06m | 9:10PM1.97m | 9:48AM1.98m | 10:25PM1.89m | 10:56AM1.76m | 11:21PM1.69m | 11:47AM1.47m | 00:03AM1.46m | |||||||
 |  |  | |  |  | |  | | | | | | | | | | | | | |
 | — | — | 4:58 | — | — | 5:00 | — | — | 5:01 | — | — | 5:03 | — | — | 5:03 | — | — | 5:05 | — | — |
 | — | 9:12 | — | — | 9:09 | — | — | 9:08 | — | — | 9:07 | — | — | 9:06 | — | — | 9:04 | — | — | 9:02 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 17 | 16 | 15 | 18 | 17 | 17 | 24 | 26 | 20 | 23 | 20 | 16 | 20 | 20 | 17 | 23 | 25 | 20 |
Feels °C | 13 | 15 | 13 | 13 | 13 | 16 | 15 | 15 | 22 | 24 | 18 | 18 | 15 | 12 | 17 | 13 | 12 | 19 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | N 9 | NNE 5 | NNE 8 | N 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | N 6 | N 6 | N 6 | N 4 | N 4 | N 11 | N 10 | N 6 | N 6 |
| kJ | 2 | 11 | 12 | 124 | 71 | 48 | 53 | 36 | 26 | 15 | 7 | 3 | 3 | 3 | 1 | 1 | 2 | 2 | 16 | 20 |
Swell 2 Height (m) Direction Period (s) | — | N 8 | — | — | — | — | — | — | SSE 3 | — | SE 4 | N 4 | N 6 | N 6 | N 6 | — | — | — | N 9 | — |
| kJ | — | 6 | — | — | — | — | — | — | 1 | — | 1 | 1 | 3 | 1 | 1 | — | — | — | 7 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 7 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 6 | — | N 6 | — | — | — | — | SE 3 | — | — | NW 2 | — | — | — | — | — | NW 4 | NNW 6 | — | NW 2 |
| kJ | 25 | — | 19 | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | 12 | 33 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 705 | 908 | 268 | 182 | 662 | 0 | 73 | 144 | 73 | 692 | 631 | 631 | 624 | 624 | 624 | 624 | 634 | 338 | 50 | 77 |
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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