Surf Forecasts:
Dee Dees surf forecast from 17 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 9AM (local time) - 13ft (4.0m), 12s period, S swell with cross-shore winds.
- Most powerful swell: Tuesday 18 Aug, 9PM (local time) - 20ft (6.0m), 11s period, SSW swell with 8,545 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 9AM (local time) - 13ft (4.0m), 12s 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 Wednesday (Aug 19) at 9AM. The primary swell is predicted to be 4.0m and 12s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Dee Dees in the next 16 days are 6.0m 11s and forecast to arrive on Tuesday (Aug 18) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 6s period and expected on Friday (Aug 21) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Wed 19th Aug) | 13ft (4.0m) 12s |
| Best Surf | 9AM (Wed 19th Aug) | 13ft (4.0m) 12s |
| Most Powerful | 9PM (Tue 18th Aug) | 20ft (6.0m) 11s |
Table - best surf conditions forecast for Dee Dees over the next 16 days.
The Lowdown
Alright, this is Rusty. Let's see what’s on the table.
First off, don't get your hopes up out the gate. The start here is dead in the water for Dee Dees. Monday afternoon all the way through to the following Saturday is plagued by cross-onshore winds, reading "poor surf conditions" across the board. It's lumpy, choppy, and messy – more of a session for a kite than a paddle board. The combined energy runs moderate to strong (647 to 4906) but the quality is shot. We get a little tease on Thursday morning – 1.7m and 1.6m from the S – but that only scores "marginal" with light cross-onshore winds. Not worth suiting up.
We get smacked Sunday the 23rd with a near gale at 60 km/h and a tiny 0.4m swell. That's a solid 10-day stretch where I can't send you out.
But hold up, because the last week of August switches the script.
Thursday the 27th of August morning is a standout. Offshore wind from the NE at 15 km/h, clean and light. We get a 1.9m NW swell. For this reef, clean offshore conditions beat the swell direction not being perfect. The energy is light (341) but the quality is there. This is the first real window.
Lock in on Friday the 28th of August morning – this is the one. A 1.9m SSW swell with a very long period of 14 seconds. The water temp is average for this time of year (12°), the wind is gentle offshore from the N, and the whole thing is rated "excellent surf conditions for experienced surfers." Combined energy is strong at 1487. That is a proper groundswell peeling down a reef. Crowds are listed as "sometimes," so you might have a bit of company, but that’s life.
Saturday the 29th morning is still solid: 1.2m SSW at 12 seconds, clean with a light N breeze.
Sunday the 30th morning holds at 1.9m S swell at 10 seconds, still clean under light N winds. Energy is moderate (745).
Monday the 31st goes glassy – E wind at 5 km/h, 1.1m S swell, calm as a lake. Small, but clean.
For the beginners among you, watch out: by Tuesday the 1st of September afternoon, it jumps to 2.3m SSW at 13 seconds with fresh cross-shore wind. That’s expert-only territory on this reef.
So here's the bottom line: eat the wind for 10 days, then the real surf kicks in from Thursday 27th through Monday 31st of August mornings. Friday the 28th is your best shot for that long period, clean groundswell.
Rusty.
Short Range ForecastLight rain (total 7mm), mostly falling on Tue afternoon. Very mild (max 10°C on Thu morning, min 7°C on Mon afternoon). Winds decreasing (strong winds from the SSW on Tue night, light winds from the SSW by Thu morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Sat morning, min 9°C on Thu night). Winds increasing (light winds from the SSE on Thu afternoon, near gales from the NW by Sun morning). | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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) | SSW 14 | S 7 | SSW 8 | SSW 10 | SSW 11 | S 12 | S 14 | S 13 | S 12 | S 9 | S 12 | SSW 14 | SSW 13 | S 12 | SSW 11 | NW 6 | S 10 | SSW 10 | NW 6 | SSW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 356 | 286 | 1374 | 4902 | 8139 | 4486 | 5017 | 2340 | 814 | 422 | 661 | 799 | 499 | 270 | 194 | 217 | 74 | 32 | 157 | 305 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | cross | cross-on | cross | cross | cross | cross-on | cross-on |
High Tide | 8:59PM1.63m | 9:24AM1.65m | 9:50PM1.61m | 10:12AM1.64m | 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 | |||||||
Low Tide | 3:18AM0.40m | 3:45PM0.38m | 4:07AM0.43m | 4:37PM0.43m | 4:54AM0.47m | 5:26PM0.46m | 5:38AM0.50m | 6:12PM0.48m | 6:19AM0.52m | 6:54PM0.50m | 6:58AM0.54m | 7:35PM0.51m | ||||||||
 |  |  |  | | | | | | | |  | |  | | | | | | | |
 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — |
 | 5:38 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — | — | 5:45 | — |
mm | — | — | 2 | 3 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 13 | 13 | 12 | 15 | 15 | 13 | 14 | 14 | 12 |
Feels °C | 3 | 2 | 2 | -1 | 0 | 3 | 4 | 5 | 8 | 9 | 8 | 5 | 5 | 5 | 9 | 8 | 5 | 3 | 5 | 3 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SE 14 | SE 10 | SE 10 | — | — | S 14 | S 13 | S 12 | S 9 | S 12 | SSW 14 | SSW 13 | S 12 | SSW 11 | S 11 | S 10 | SSW 10 | SSW 9 | SSW 15 |
| kJ | 356 | 8 | 110 | 4 | — | — | 4310 | 1834 | 814 | 422 | 661 | 799 | 499 | 270 | 194 | 143 | 74 | 32 | 16 | 305 |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 10 | E 10 | — | — | — | SE 13 | SE 12 | SE 11 | SSW 18 | S 16 | SE 12 | SE 11 | SE 12 | E 12 | E 11 | S 13 | SW 13 | SSW 14 | S 9 |
| kJ | 64 | 161 | 69 | — | — | — | 7 | 6 | 5 | 102 | 267 | 6 | 5 | 5 | 3 | 3 | 4 | 6 | 20 | 6 |
Swell 3 Height (m) Direction Period (s) | SE 15 | ESE 10 | ESE 14 | — | — | — | — | SE 12 | S 18 | SE 13 | SE 12 | E 9 | ESE 12 | E 16 | E 15 | E 14 | E 13 | E 13 | E 13 | E 14 |
| kJ | 9 | 40 | 18 | — | — | — | — | 37 | 6 | 7 | 6 | 2 | 14 | 5 | 4 | 15 | 4 | 3 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | S 7 | S 7 | SSW 8 | SSW 10 | SSW 11 | S 12 | S 14 | S 13 | — | — | NNW 3 | NW 6 | NW 6 | NW 5 | NNW 4 | NW 6 | NW 6 | NW 6 | NW 6 | WNW 5 |
| kJ | 218 | 286 | 1374 | 4902 | 8139 | 4486 | 5017 | 2340 | — | — | 8 | 186 | 351 | 45 | 37 | 217 | 317 | 287 | 157 | 110 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 215 | 95 | 99 | 237 | 215 | 125 | 99 | 27 | 4 | 1 | 0 | 18 | 85 | 85 | 92 | 92 | 144 | 147 | 102 | 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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