
Surf Forecasts:
Shipwreck Bay-Supertubes surf forecast from 8 Aug 2026:
- Best quality surf: Sunday 9 Aug, 6PM (local time) - 3.5ft (1.1m), 17s period, SW swell with glassy winds.
- Most powerful swell: Sunday 16 Aug, 12AM (local time) - 13ft (4.0m), 16s period, SW swell with 7,161 kJ wave energy.
- Next surfable swell (1★+): Sunday 9 Aug, 6PM (local time) - 3.5ft (1.1m), 17s period with SW swell.
Best Forecast Surf Conditions for Shipwreck Bay-Supertubes this week:
The surf forecast for Shipwreck Bay-Supertubes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 09) at 6PM. The primary swell is predicted to be 1.1m and 17s period with a secondary swell of 1.1m and 14s. Another secondary swell of 0.9m and 17s is also forecast. Another secondary swell of 1.6m and 9s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Shipwreck Bay-Supertubes in the next 16 days are 4.0m 16s and forecast to arrive on Sunday (Aug 16) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 8s period and expected on Sunday (Aug 09) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Sun 9th Aug) | 3.5ft (1.1m) 17s |
| Best Surf | 6PM (Sun 9th Aug) | 3.5ft (1.1m) 17s |
| Most Powerful | 12AM (Sun 16th Aug) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Shipwreck Bay-Supertubes over the next 16 days.
Short Range ForecastModerate rain (total 14mm), heaviest on Sun afternoon. Very mild (max 15°C on Sat afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the NNE on Sat afternoon, calm by Sun afternoon). | Days 5-7 Weather SummaryHeavy rain (total 38mm), heaviest during Thu morning. Very mild (max 17°C on Wed morning, min 13°C on Tue night). Winds increasing (light winds from the NNW on Wed afternoon, fresh winds from the N by Thu morning). | |||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||
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) | SW 13 | SW 18 | NW 10 | SW 15 | SW 14 | SW 16 | SW 16 | SW 15 | SW 14 | SW 13 | SW 19 | SW 18 | SW 17 | SW 16 | SW 14 | SW 18 | SW 16 | SW 16 | WSW 16 | SW 17 |
Wave Graph | ||||||||||||||||||||
117 | 366 | 1005 | 1062 | 565 | 746 | 1210 | 1020 | 639 | 569 | 817 | 781 | 737 | 553 | 476 | 602 | 1180 | 1096 | 3336 | 831 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | off | cross-off | off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross | cross-off | cross-off |
High Tide | 5:16PM2.97m | 5:46AM2.98m | 6:39PM3.15m | 7:03AM3.13m | 7:41PM3.39m | 8:05AM3.32m | 8:33PM3.62m | 8:58AM3.50m | 9:22PM3.79m | 9:45AM3.62m | 10:06PM3.87m | 10:28AM3.67m | 10:48PM3.85m | |||||||
Low Tide | 11:34PM1.14m | 12:12PM1.03m | 00:55AM0.96m | 1:24PM0.82m | 1:56AM0.71m | 2:21PM0.57m | 2:48AM0.48m | 3:10PM0.36m | 3:35AM0.31m | 3:55PM0.23m | 4:20AM0.22m | 4:38PM0.20m | ||||||||
— | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — | |
5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | |
mm | — | 1 | 5 | 8 | — | — | — | — | — | — | 2 | — | — | — | 20 | 10 | 2 | 4 | 3 | 2 |
Temp °C | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 12 | 14 | 16 | 16 | 17 | 17 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Feels °C | 9 | 10 | 13 | 14 | 13 | 12 | 11 | 9 | 11 | 13 | 15 | 16 | 16 | 14 | 12 | 11 | 12 | 11 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 18 | SW 16 | SW 15 | SW 14 | SW 16 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SW 18 | SW 17 | SW 16 | SW 14 | W 10 | W 12 | SW 16 | WSW 16 | SW 14 |
106 | 366 | 737 | 891 | 565 | 746 | 1210 | 1020 | 639 | 569 | 374 | 781 | 737 | 553 | 476 | 374 | 625 | 1096 | 3336 | 810 | |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 12 | SW 20 | SW 15 | SW 18 | SW 13 | SW 8 | SSW 7 | SSW 6 | SW 21 | SW 19 | S 6 | W 12 | WNW 10 | WNW 9 | SW 14 | SW 16 | SW 20 | — | SW 17 |
117 | 52 | 306 | 1062 | 522 | 503 | 32 | 28 | 24 | 436 | 817 | 7 | 45 | 125 | 137 | 463 | 1180 | 306 | — | 831 | |
Swell 3 Height (m) Direction Period (s) | SW 23 | W 8 | — | SW 19 | NW 8 | SW 8 | SSW 9 | W 7 | SW 17 | SSW 7 | — | NW 7 | — | W 12 | W 10 | SW 18 | — | — | — | — |
21 | 1 | — | 222 | 117 | 54 | 29 | 17 | 145 | 17 | — | 7 | — | 68 | 102 | 602 | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NNW 6 | NW 8 | NW 10 | NW 9 | SW 9 | — | — | — | — | — | NNE 3 | N 3 | NW 6 | NW 5 | — | — | — | W 9 | W 9 | WSW 7 |
87 | 450 | 1005 | 525 | 62 | — | — | — | — | — | 4 | 5 | 10 | 14 | — | — | — | 563 | 641 | 339 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 272 | 335 | 112 | 138 | 0 | 0 | 0 | 5 | 5 | 58 | 16 | 5 | 39 | 5 | 112 | 472 | 39 | 35 | 38 | 38 |
Best forecast wave conditions in Northland | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Shipwreck Bay-Supertubes Surf forecast
The above surf forecast table for Shipwreck Bay-Supertubes provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Shipwreck Bay-Supertubes can be found by selecting the local surf guide option on the grey menu. Our Shipwreck Bay-Supertubes 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 (Shipwreck Bay-Supertubes) 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 Shipwreck Bay-Supertubes 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.
Are you planning a holiday in Northland? If you are looking for accommodation near Shipwreck Bay-Supertubes, camping, hotels and holiday cottages in Northland, consider staying in Houhora which is 44 km (27 miles) away.











