Blokken Surf Break

Lat Long: 51.90° N 4.04° E

Blokken Surf Forecast and Surf Report

Issued: 1 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Blokken sea temperature is
21.6° C
3.4° 

Blokken surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Blokken surf forecast from 13 Aug 2026:

  • Most powerful swell: Thursday 20 Aug, 8AM (local time) - 5ft (1.6m), 6s period, W swell with 181 kJ wave energy.

Best Forecast Surf Conditions for Blokken this week:

The most powerful waves expected at Blokken in the next 16 days are 1.6m 6s and forecast to arrive on Thursday (Aug 20) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Thursday (Aug 13) at 11AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8AM (Thu 20th Aug)5ft (1.6m) 6s

Table - best surf conditions forecast for Blokken over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s have a look at what’s coming down the line for Blokken.

To be straight with you, it’s a tough outlook. We’ve got a 16-day window staring at us, and the first recommendation doesn’t show up until much later. The start is a real flat spell. The swell is tiny or non-existent for days, with poor conditions and wrong wind directions. Honestly, you’re looking at a big gap with nothing worth paddling out for. But don’t lose hope; when it does turn, there are a couple of moments that could be worth a look.

Thursday 13th and Friday 14th August are a write-off: ankle-slappers at best with poxy onshore winds. Saturday 15th and Sunday 16th stay poor – a bit of bumpy, short period chop, but the wind is messy. The first whiff of something happens Monday 17th August morning. It’s glassy, calm, but the swell is a tiny 1 ft from the NNW at only 6 seconds. It’s clean but basically flat. Not really surfable. The water temp anomaly is a massive 6°F warmer than usual – that’s very unusual for the time of year, so you can ditch the wetsuit for a springy if you’re even thinking about getting wet.

We finally get a pulse of energy on Tuesday 20th August afternoon. The swell pushes up to 6 ft from the WNW, but with a short period of 6 seconds. The wind is cross-onshore from the N at 15 mph, making it choppy. The combined swell energy hits 209 (moderate), but the wind ruins it. This is more of a kite-surfing setup than a paddling one.

The real standout in this whole run looks to be Saturday 22nd August. We get an early start that morning with the swell running 3 ft from the NNW at a better 8-second period. The wind swings around to an offshore from the E at 12 mph, keeping the surface clean. The combined energy is 107 (moderate). It’s not a bomb, but it’s the best combination of size and clean conditions we see in the whole forecast. That Saturday afternoon is also workable, with a cleaner cross-offshore breeze, though the swell drops slightly to 3 ft. This is your window. Blokken is exposed to this swell and handles the NNW direction, but with only an 8-second period it won’t hold a face like a longer period groundswell. For the size, it’s doable for intermediates. Crowds are listed as *sometimes*, so you might have company, but it won’t be a zoo.

Sunday 23rd starts glassy again in the morning, with 2 ft from the N, but the energy is low at 37. Monday 24th August morning offers a clean 2 ft from N with a light offshore, but the energy is still weak. Things get a little more interesting on Wednesday 26th August afternoon, with a 5 ft WNW swell and a combined energy of 165 (moderate), but the wind is cross-onshore from the W, putting a chop on it. After that, the last few days of August are mostly messy, with strong cross-shore winds and choppy sea states. Not worth planning a session around.

Look, the only real highlight in this 16-day stretch is Saturday 22nd August. Get up early for the cleanest conditions on that 3 ft, 8-second NNW swell. It’s not a classic day, but it’s the best we’re going to get. The rest is a lot of waiting.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 32°C on Thu night, min 18°C on Sat night). Winds increasing (light winds from the SW on Fri morning, fresh winds from the N by Sat night).

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm (max 20°C on Mon night, min 16°C on Sun night). Winds increasing (calm on Mon morning, fresh winds from the SW by Tue night).

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
N
7
0.2
N
7
0.1
N
7
0.1
N
7
0.1
N
10
0.4
NNW
4
0.4
NNE
4
0.9
N
4
0.8
N
5
0.6
N
5
0.9
N
4
0.4
N
4
0.4
NNW
6
0.4
NNW
5
1.1
W
5
1.2
WNW
5
1
NW
5
0.7
NNW
6
1.5
WSW
6
1.4
WSW
6
1.4
WSW
6
Wave Graph
Metric surfscale
Energy kJ
9
4
1
1
2
4
4
28
28
15
28
5
11
10
59
83
51
30
154
118
126
Wind (km/h)
10
ESE
20
NNW
15
SE
15
W
15
NW
10
NE
20
NNE
30
N
25
NE
20
NNE
25
N
15
ENE
0
WSW
10
WNW
25
W
15
WNW
15
WNW
25
SSW
45
WNW
40
WNW
20
NNW
Wind State
off
cross-on
off
cross-on
on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-off
glassy
on
cross-on
cross-on
cross-on
cross-off
cross-on
cross-on
on
High Tide
10:37AM0.79m
3:50PM2.61m
11:06PM0.50m
11:17AM0.86m
4:32PM2.68m
11:47PM0.49m
11:57AM0.91m
2:19PM0.86m
00:28AM0.49m
5:33AM2.96m
3:19PM0.84m
1:12AM0.47m
6:15AM2.86m
6:35PM2.70m
2:00AM0.46m
6:58AM2.71m
2:22PM0.81m
2:58AM0.47m
7:43AM2.53m
3:32PM0.75m
8:02PM2.50m
Low Tide
9:10AM0.60m
9:32PM0.24m
9:48AM0.65m
2:26PM0.73m
10:11PM0.22m
10:26AM0.68m
3:03PM0.78m
10:51PM0.21m
11:05AM0.67m
2:03PM0.71m
11:33PM0.22m
11:48AM0.65m
2:52PM0.70m
00:18AM0.25m
12:34PM0.62m
3:38PM0.72m
1:05AM0.29m
1:25PM0.59m
4:15PM0.74m
1:57AM0.37m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
rain showers
cloud
part cloud
rain showers
rain showers
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:24
6:26
6:28
6:30
6:31
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:12
9:09
9:07
9:06
9:04
9:01
9:00
 mm
1
1
2
Temp °C
26
31
32
26
25
23
21
22
20
19
19
18
17
19
20
19
19
20
21
20
19
Feels °C
23
26
27
24
22
21
19
19
15
16
15
13
17
17
16
17
18
19
15
13
13
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Blokken Surf forecast

The above surf forecast table for Blokken provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Blokken can be found by selecting the local surf guide option on the grey menu. Our Blokken 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 (Blokken) 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 Blokken 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.

Blokken is 10 km (6 miles) from Hoek Van Holland. If you plan a holiday in Netherlands, look for hotels and other accommodation in Hoek Van Holland. Hoek Van Holland has rooms for a wide range of budgets as well as car hire and transport links.

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