Surf Forecasts:
Mablethorpe surf forecast from 15 Jul 2026:
- Best quality surf: Monday 20 Jul, 1AM (local time) - 3.5ft (1.1m), 9s period, NNE swell with cross-offshore winds.
- Most powerful swell: Sunday 19 Jul, 4AM (local time) - 4.5ft (1.3m), 9s period, NNE swell with 270 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 1AM (local time) - 3.5ft (1.1m), 9s 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 Monday (Jul 20) at 1AM. The primary swell is predicted to be 1.1m and 9s 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 1.3m 9s and forecast to arrive on Sunday (Jul 19) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Mon 20th Jul) | 3.5ft (1.1m) 9s |
| Best Surf | 1AM (Mon 20th Jul) | 3.5ft (1.1m) 9s |
| Most Powerful | 4AM (Sun 19th Jul) | 4.5ft (1.3m) 9s |
Table - best surf conditions forecast for Mablethorpe over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – this is a grim outlook for the Mablethorpe region over the next 16 days. If you’re looking for a reason to wax up, you’re going to be waiting a long time. There are no good surf options on the cards in this entire window. The forecast is a flat, choppy, and generally unfriendly stretch for a paddle surfer.
The first few days are a write-off. Wednesday the 15th through to Sunday the 19th of July offer nothing but tiny, weak swell and poor wind. The combined wave energy is pathetic, barely registering in the double digits, and it’s mostly short-period windswell from the NNE. The wind is either cross or cross-on, making a mess of the water. The water temperature is a bizarre 68° with an anomaly of 10°, which is far warmer than normal for this time of year, but that’s cold comfort when there’s no surf.
We do have a tiny window of hope on Monday the 20th of July. The morning sees a little lift with a clean, cross-off wind from the NW and the lightest breeze of the period. The swell is still only 3ft from the NNE with an 8-second period, but the combined energy creeps up to a moderate level. The wave comment says “surfable waves but very ordinary conditions.” That’s the best you’re going to get, and it’s not saying much. The afternoon goes straight back to being rubbish.
After that, from Tuesday the 21st of July right through to the end of the month, it’s a long, bleak run. The swell drops back to knee-high or less, the wind is a constant problem, and the combined energy sinks back to weak levels (down to nothing by the 29th). There’s a consistent blank run of well over a week with absolutely no recommendations. For Mablethorpe, a flat, quiet spell like this is more normal for the area. It’s not a place that fires often, and when it doesn’t, it really doesn’t.
Honestly, your best bet is to leave the board in the car and look at something else. This setup is more interesting for a kite surfer wanting to get dragged around in the wind than for anyone trying to paddle into a wave. Keep an eye on the charts, but don’t hold your breath.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Thu morning, min 12°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Mon morning, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 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) | NNE 5 | NE 4 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | N 4 | NNE 5 | NNE 6 | NNE 7 | NNE 7 | NNE 9 | NNE 8 | NNE 9 | NNE 9 | NNE 8 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 21 | 20 | 12 | 12 | 12 | 3 | 14 | 23 | 58 | 93 | 114 | 243 | 229 | 237 | 184 | 75 | 76 | 51 | 37 | 31 | 139 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross-on | cross-off | cross-off | cross | cross | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-on | cross-off | cross | cross | cross |
High Tide | 7:39PM5.45m | 7:50AM5.72m | 8:28PM5.39m | 8:35AM5.76m | 9:16PM5.22m | 9:19AM5.64m | 10:02PM4.98m | 10:04AM5.40m | 10:48PM4.71m | 10:50AM5.06m | 11:35PM4.42m | 11:41AM4.68m | 00:27AM4.17m | ||||||||
Low Tide | 1:38PM0.04m | 1:57AM0.59m | 2:25PM-0.10m | 2:40AM0.66m | 3:10PM-0.09m | 3:21AM0.82m | 3:54PM0.09m | 4:01AM1.03m | 4:36PM0.40m | 4:42AM1.27m | 5:18PM0.80m | 5:25AM1.53m | 6:01PM1.21m | ||||||||
 | |  | | |  | | | |  | | |  | | | | | | | | | |
 | 4:48 | — | — | 4:50 | — | — | 4:50 | — | — | 4:52 | — | — | 4:54 | — | — | 4:54 | — | — | 4:56 | — | — |
 | — | — | 9:19 | — | — | 9:17 | — | — | 9:16 | — | — | 9:15 | — | — | 9:14 | — | — | 9:13 | — | — | 9:12 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 18 | 18 | 17 | 18 | 16 | 14 | 15 | 15 | 14 | 14 | 14 | 15 | 20 | 17 | 14 | 15 | 15 | 13 |
Feels °C | 13 | 13 | 15 | 15 | 15 | 16 | 13 | 11 | 10 | 10 | 10 | 11 | 9 | 9 | 11 | 17 | 13 | 12 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | E 4 | — | ENE 4 | ENE 4 | E 4 | E 4 | — | — | — | — | — | — | — | — | NNE 9 | NNE 8 | — | — | — | — | NNE 7 |
| kJ | 4 | — | 6 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | 184 | 75 | — | — | — | — | 81 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | NNE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | N 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 5 | NE 4 | NNE 6 | NNE 6 | NNE 6 | — | N 4 | NNE 5 | NNE 6 | NNE 7 | NNE 7 | NNE 9 | NNE 8 | NNE 9 | — | — | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 7 |
| kJ | 21 | 20 | 12 | 12 | 12 | — | 14 | 23 | 58 | 93 | 114 | 243 | 229 | 237 | — | — | 76 | 51 | 37 | 31 | 139 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 546 | 546 | 631 | 543 | 514 | 319 | 477 | 1703 | 148 | 220 | 220 | 144 | 220 | 220 | 0 | 0 | 703 | 213 | 477 | 494 | 182 |
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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