Surf Forecasts:
Blokken surf forecast from 17 Aug 2026:
- Best quality surf: Monday 24 Aug, 2AM (local time) - 3ft (0.9m), 6s period, NW swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 8PM (local time) - 3.5ft (1.1m), 7s period, NNW swell with 111 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 2AM (local time) - 3ft (0.9m), 6s period with NW swell.
Best Forecast Surf Conditions for Blokken this week:
The surf forecast for Blokken over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 2AM. The primary swell is predicted to be 0.9m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Blokken in the next 16 days are 1.1m 7s and forecast to arrive on Friday (Aug 21) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Tuesday (Aug 18) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 24th Aug) | 3ft (0.9m) 6s |
| Best Surf | 2AM (Mon 24th Aug) | 3ft (0.9m) 6s |
| Most Powerful | 8PM (Fri 21st Aug) | 3.5ft (1.1m) 7s |
Table - best surf conditions forecast for Blokken over the next 16 days.
The Lowdown
Alright, Rusty here, and I’ve got to be straight with you – this is a tough one. We’re looking at a solid 16-day window for Blokken, and the truth is, there’s nothing on the cards worth paddling out for. The whole forecast is a string of "poor surf conditions" with a score of zero across the board. From August 17th all the way through to September 1st, every single morning and afternoon session is a miss.
The water is sitting at 72°F which is about 7°F warmer than normal for this time of year – really unusual, feels like a bathtub, but it doesn’t help the waves. The swell is tiny and weak, with combined energy mostly under 100 (often just 10 to 100), and what little bump there is comes from short-period, weak windswells. Periods are mostly 4 to 7 seconds, so no push, no shape.
The wind is constantly messy – cross-on, onshore, choppy, lumpy. Even when we get a rare glassy moment on the morning of August 27th, there’s only 2ft of weak SW swell with a period of 5 seconds. That’s a lake, not a surf.
There’s a spike on August 29th afternoon with 7ft from the WSW at 8 seconds, and the combined energy jumps to 539 – moderate wave energy – but that’s a cross-onshore mess with strong breeze. That size and wind, at a beach break, is more of a kite-surfing setup than anything you’d want to paddle into. For beginners, anything over 5ft is too much, and this comes with horrible wind, so it’s a hard pass.
The rest of the fortnight is flat, or close to it. No standout days, no clean windows, no decent swell direction matching the optimum (NNW). This is just one of those stretches where the ocean shuts down. Blokken is inconsistent at the best of times, and this run proves it. Don’t hold your breath – forecasts can change, but right now, leave the boards in the shed.
Rusty.
Short Range ForecastModerate rain (total 13mm), heaviest on Mon morning. Warm (max 21°C on Tue night, min 16°C on Mon morning). Winds increasing (calm on Mon night, fresh winds from the WSW by Wed night). | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Thu morning. Very mild (max 19°C on Thu afternoon, min 16°C on Fri night). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the N by Fri morning). | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | NNW 6 | NNW 5 | NNW 4 | W 4 | WNW 5 | NW 6 | NW 6 | NNW 6 | WSW 5 | WSW 5 | W 5 | NNW 5 | NNW 5 | NNW 7 | NNW 6 | NNW 7 | NNW 6 | NNW 7 | WNW 5 | NW 6 | NW 6 |
Wave Graph | |||||||||||||||||||||
10 | 8 | 4 | 18 | 37 | 30 | 89 | 51 | 56 | 97 | 62 | 28 | 23 | 99 | 64 | 66 | 75 | 51 | 62 | 106 | 51 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-off | cross-on | cross-on | on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-off |
High Tide | 1:28PM0.88m | 6:35PM2.70m | 2:00AM0.46m | 6:58AM2.71m | 2:22PM0.81m | 2:58AM0.47m | 7:43AM2.53m | 3:32PM0.75m | 8:02PM2.50m | 8:30AM2.33m | 8:55PM2.32m | 9:26AM2.12m | 10:02PM2.11m | 10:34AM1.93m | 11:41PM2.00m | 12:44PM1.95m | 1:00AM2.10m | ||||
Low Tide | 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 | 2:26PM0.60m | 3:00AM0.48m | 4:09PM0.62m | 4:57AM0.57m | 5:31PM0.60m | 6:03AM0.61m | 6:36PM0.55m | |||||
6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | |
— | — | 9:04 | — | — | 9:01 | — | — | 9:00 | — | 8:58 | — | — | 8:55 | — | — | 8:53 | — | — | 8:52 | — | |
mm | 5 | — | 1 | 4 | — | — | — | 1 | 2 | 5 | 4 | 1 | — | — | — | — | 1 | — | — | — | — |
Temp °C | 17 | 17 | 17 | 19 | 20 | 21 | 19 | 19 | 20 | 18 | 19 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 17 |
Feels °C | 16 | 15 | 15 | 14 | 17 | 19 | 15 | 14 | 13 | 12 | 15 | 14 | 15 | 14 | 12 | 11 | 11 | 11 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | NNW 6 | — | NNW 4 | N 4 | N 7 | — | — | NNW 6 | NNW 6 | NNW 5 | N 7 | WSW 5 | NNW 5 | — | — | — | — | NNW 7 | N 7 | — | — |
10 | — | 4 | 2 | 4 | — | — | 51 | 25 | 3 | 4 | 4 | 23 | — | — | — | — | 51 | 26 | — | — | |
Swell 2 Height (m) Direction Period (s) | — | — | N 8 | N 7 | N 8 | — | — | — | — | N 6 | — | — | NNW 8 | — | — | — | — | — | — | — | — |
— | — | 1 | 4 | 1 | — | — | — | — | 3 | — | — | 13 | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | N 7 | — | — | — | — | — | — | — | — | — | WSW 5 | — | — | — | — | — | — | — | — |
— | — | 1 | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | NNW 5 | — | W 4 | WNW 5 | NW 6 | NW 6 | WSW 4 | WSW 5 | WSW 5 | W 5 | NNW 5 | — | NNW 7 | NNW 6 | NNW 7 | NNW 6 | — | WNW 5 | NW 6 | NW 6 |
— | 8 | — | 18 | 37 | 30 | 89 | 34 | 56 | 97 | 62 | 28 | — | 99 | 64 | 66 | 75 | — | 62 | 106 | 51 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 733 | 796 | 723 | 589 | 745 | 745 | 709 | 736 | 617 | 575 | 556 | 238 | 493 | 500 | 361 | 373 | 584 | 302 | 179 | 466 | 0 |
Best forecast wave conditions in Netherlands | |||||||||||||||||||||
Best forecast wave conditions in Netherlands | |||||||||||||||||||||
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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.











