Surf Forecasts:
Dee Dees surf forecast from 19 Aug 2026:
- Best quality surf: Friday 21 Aug, 12AM (local time) - 5ft (1.6m), 12s period, S swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 12PM (local time) - 6.5ft (2.0m), 13s period, SSW swell with 1,377 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 6PM (local time) - 4.5ft (1.4m), 9s period with S swell.
Best Forecast Surf Conditions for Dee Dees this week:
The surf forecast for Dee Dees over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 6PM. The primary swell is predicted to be 1.4m and 9s period with a secondary swell of 0.8m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Dee Dees in the next 16 days are 2.0m 13s and forecast to arrive on Monday (Aug 24) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Sunday (Aug 23) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 20th Aug) | 4.5ft (1.4m) 9s |
| Best Surf | 12AM (Fri 21st Aug) | 5ft (1.6m) 12s |
| Most Powerful | 12PM (Mon 24th Aug) | 6.5ft (2.0m) 13s |
Table - best surf conditions forecast for Dee Dees over the next 16 days.
The Lowdown
Alright, Rusty here. Let's take a look at what we've got for the next couple of weeks.
We've only got the one spot, Dee Dees, on the menu. It's a reef break, and right off the bat, the water temp is sitting at a pretty standard 54°F for this time of year, so nothing weird going on there. The outlook kicks off with a serious thump on Wednesday the 19th, but it's too much of a good thing – that 10ft south swell is packing some serious welly with a combined energy of 4079, which is massive. That's only for the experts on a good day, and with a cross-onshore wind, it's gonna be a beast. I wouldn't be paddling out unless you're a glutton for punishment.
Things calm down a touch Thursday morning the 20th, with a 6ft south swell, but it's still cross-onshore and choppy. The real sweet spot looks like Thursday afternoon the 20th, when the wind drops to glassy conditions and we get a clean 5ft south swell. That's a lovely combo – absolutely worth slipping out for a session if you can.
Friday morning the 21st is also a cracker for the experienced crew: a 5ft south swell with a long 15-second period (groundswell), clean conditions with light offshore wind, and a combined energy of 1239. That's got proper power and shape. Friday afternoon gets a bit messy, and from Saturday the 22nd right through to the end of August, it's mostly a write-off. We get a lot of strong wind, lumpy chop, and small, weak swells. There's a huge gap there with nothing worth recommending.
Monday the 31st of August brings a pulse of messy 5ft north-west windswell, but the wind’s no good. That pattern drags into September 1st. Then, on Wednesday the 2nd of September, we see another big event: a solid 8ft south swell (combined energy of 951) that's going to be too big and grumpy for most, especially with that cross-shore wind. By Thursday the 3rd, it drops into the 6ft range, but the quality is still marginal with cross-shore wind.
Honestly, if you're picking one session, make it Thursday afternoon the 20th of August at Dee Dees. Glassy conditions on a clean 5ft south swell is hard to beat. Friday morning the 21st is a close second for the experienced rippers, but that Thursday arvo glass-off is the true standout.
Signing off,
Rusty
Short Range ForecastMostly dry. Very mild (max 13°C on Fri afternoon, min 8°C on Thu night). Winds increasing (light winds from the NE on Thu night, strong winds from the NNW by Sat morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Sun morning, min 8°C on Sun night). Winds decreasing (near gales from the NW on Sat night, light winds from the WNW by Sun afternoon). | ||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
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) | S 13 | S 12 | S 9 | S 12 | S 15 | SSW 13 | S 12 | SSW 11 | NW 6 | S 10 | NW 6 | NW 5 | SSW 7 | SSW 13 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 1682 | 814 | 395 | 773 | 1232 | 669 | 330 | 202 | 239 | 74 | 231 | 122 | 203 | 960 | 1340 | 801 | 547 | 356 | 297 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | cross-off | cross-off | cross | cross | cross | cross-on | cross |
High Tide | 10:38PM1.59m | 11:00AM1.63m | 11:23PM1.56m | 11:47AM1.61m | 00:06AM1.52m | 12:32PM1.58m | 00:49AM1.48m | 1:15PM1.56m | 1:34AM1.44m | 1:56PM1.54m | 2:19AM1.40m | 2:37PM1.52m | |||||||
Low Tide | 4:54AM0.47m | 5:26PM0.46m | 5:38AM0.50m | 6:12PM0.48m | 6:19AM0.52m | 6:54PM0.50m | 6:58AM0.54m | 7:35PM0.51m | 7:37AM0.54m | 8:15PM0.51m | 8:17AM0.54m | 8:56PM0.52m | |||||||
 |  | |  | |  |  | | | | | | | | | | |  | | |
 | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 10 | 9 | 12 | 13 | 10 | 13 | 13 | 13 | 15 | 14 | 10 | 13 | 13 | 11 | 13 | 13 | 14 |
Feels °C | 7 | 7 | 7 | 7 | 9 | 10 | 5 | 3 | 3 | 5 | 6 | 5 | 6 | 8 | 7 | 6 | 4 | 4 | 6 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 9 | S 12 | S 15 | SSW 13 | S 12 | SSW 11 | S 11 | S 10 | S 10 | S 9 | SSW 7 | SSW 13 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 |
| kJ | 1682 | 814 | 395 | 773 | 1232 | 669 | 330 | 202 | 188 | 74 | 30 | 15 | 203 | 960 | 1340 | 801 | 547 | 356 | 297 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 11 | SSW 17 | S 16 | SE 12 | ESE 11 | SE 11 | SE 12 | E 14 | E 13 | S 16 | E 13 | WNW 5 | SE 14 | SSW 19 | SE 14 | SE 14 | SE 14 | SE 14 |
| kJ | 6 | 5 | 101 | 267 | 6 | 12 | 5 | 5 | 16 | 4 | 5 | 3 | 9 | 7 | 74 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | SE 12 | S 18 | SE 13 | SE 12 | E 8 | — | SE 12 | E 16 | E 12 | S 13 | E 13 | S 14 | SW 16 | — | SE 14 | — | — | — | — |
| kJ | 38 | 6 | 7 | 6 | 1 | — | 5 | 5 | 3 | 4 | 3 | 4 | 9 | — | 8 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 3 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | — | NNW 3 | NW 5 | NW 4 | NW 5 | NW 6 | NW 6 |
| kJ | — | — | — | — | — | 5 | 106 | 471 | 239 | 328 | 231 | 122 | — | 3 | 47 | 24 | 138 | 249 | 154 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 27 | 27 | 39 | 0 | 0 | 0 | 11 | 92 | 134 | 134 | 134 | 147 | 0 | 0 | 11 | 12 | 85 | 134 | 92 |
Best forecast wave conditions in The Wairarapa | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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Information about the Dee Dees Surf forecast
The above surf forecast table for Dee Dees provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dee Dees can be found by selecting the local surf guide option on the grey menu. Our Dee Dees 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 (Dee Dees) 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 Dee Dees 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.
Dee Dees is 40 km (25 miles) from Lower Hutt. If you plan a holiday in The Wairarapa, look for hotels and other accommodation in Lower Hutt. Lower Hutt has rooms for a wide range of budgets as well as car hire and transport links.
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