Surf Forecasts:
Whangamoa surf forecast from 27 Aug 2026:
- Best quality surf: Friday 28 Aug, 9PM (local time) - 7.5ft (2.3m), 9s period, NNW swell with cross-onshore winds.
- Most powerful swell: Friday 28 Aug, 3PM (local time) - 11ft (3.5m), 9s period, NNW swell with 1,921 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 9PM (local time) - 7.5ft (2.3m), 9s period with NNW swell.
Best Forecast Surf Conditions for Whangamoa this week:
The surf forecast for Whangamoa over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 9PM. The primary swell is predicted to be 2.3m and 9s period. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Whangamoa in the next 16 days are 3.5m 9s and forecast to arrive on Friday (Aug 28) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Thursday (Sep 03) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 28th Aug) | 7.5ft (2.3m) 9s |
| Best Surf | 9PM (Fri 28th Aug) | 7.5ft (2.3m) 9s |
| Most Powerful | 3PM (Fri 28th Aug) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Whangamoa over the next 16 days.
The Lowdown
Alright, mate, let’s chew over what Whangamoa’s got cooking. And honestly, it’s a lean stretch. This sandbar is never a sure thing, and for days on end, there’s bugger all.
The first proper sign of life is on the morning of Saturday, August 30th. A little clean 0.8m swell from the NW, cross-off wind from the SW at 15 km/h. Energy is weak at 36, and the period’s a short 5 seconds. No crowds here – they never show – but it’s a start after a big dry spell.
The real moment, the best on offer, lands on Sunday the 31st of August and into Monday the 1st of September. On Sunday afternoon, a clean cross-off breeze from the SW at 25 km/h hits a 0.4m NW groundswell. The period is a very long 15 seconds – you’ll be waiting between sets, but those waves will have some guts and shape. Energy is low at 57. Then on Monday morning, the 1st of September, it gets even better. Same 0.4m size, same 15-second NW groundswell, but the wind drops to a glassy 5 km/h from the SW, cross-off. Energy is 56. It’ll be small and you’ll need patience, but for clean, quality little peelers, that’s your shot. Water temp sits around 54°F, dead average for the time of year.
Everything else is either flat, blown flat by onshore winds, or just messy junk. That big 3.5m spike on the 8th of September is all onshore and ugly. Give it a miss. For the whole 16 days, Monday the 1st of September is the one.
Rusty.
Short Range ForecastHeavy rain (total 26mm), heaviest during Fri afternoon. Very mild (max 14°C on Sun morning, min 7°C on Fri night). Winds increasing (calm on Thu afternoon, strong winds from the NNW by Fri morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 14°C on Wed morning, min 7°C on Tue night). Winds decreasing (fresh winds from the WSW on Sun night, calm by Mon night). | |||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
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) | NW 5 | NNW 5 | NNW 8 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | N 8 | NW 16 | NW 14 | NW 15 | NW 15 | NW 11 | NW 14 | NW 15 | NNW 17 | NW 6 | NW 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 7 | 48 | 950 | 1921 | 516 | 157 | 98 | 50 | 16 | 6 | 63 | 0 | 0 | 0 | 33 | 51 | 55 | 29 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | on | on | cross | cross | cross-on | cross-off | cross | cross-on | cross | cross | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on |
High Tide | 9:26PM3.09m | 9:45AM3.03m | 10:01PM3.25m | 10:20AM3.16m | 10:35PM3.35m | 10:54AM3.25m | 11:09PM3.38m | 11:29AM3.29m | 11:45PM3.36m | 12:06PM3.26m | 00:23AM3.26m | 12:46PM3.16m | 1:05AM3.10m | |||||||
Low Tide | 3:41AM0.28m | 3:52PM0.25m | 4:15AM0.13m | 4:27PM0.13m | 4:48AM0.04m | 5:01PM0.08m | 5:22AM0.01m | 5:36PM0.08m | 5:56AM0.04m | 6:12PM0.16m | 6:33AM0.15m | 6:52PM0.29m | ||||||||
 |  |  |  |  |  | |  | | | | | |  | | | | | | | |
 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — |
 | 5:55 | — | — | 5:57 | — | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — |
mm | — | 4 | 2 | 19 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 11 | 13 | 13 | 13 | 12 | 12 | 13 | 9 | 14 | 13 | 11 | 12 | 12 | 13 | 11 | 9 | 9 | 14 | 15 | 13 |
Feels °C | 9 | 9 | 6 | 7 | 9 | 7 | 9 | 4 | 9 | 8 | 4 | 5 | 5 | 7 | 8 | 5 | 7 | 10 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | NW 5 | — | — | — | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | NW 16 | NW 10 | NW 14 | NW 15 | — | NW 8 | NW 14 | NW 6 | NNW 17 | NW 16 | — |
| kJ | 7 | — | — | — | 516 | 157 | 98 | 50 | 16 | 41 | 37 | 167 | 262 | — | 104 | 51 | 34 | 29 | 40 | — |
Swell 2 Height (m) Direction Period (s) | NW 10 | — | — | — | — | NW 13 | NW 21 | NNW 19 | NW 18 | N 8 | NW 16 | NW 7 | — | — | NW 11 | NW 10 | NW 15 | NW 14 | — | — |
| kJ | 4 | — | — | — | — | 7 | 17 | 36 | 49 | 6 | 63 | 18 | — | — | 33 | 17 | 55 | 32 | — | — |
Swell 3 Height (m) Direction Period (s) | NW 13 | — | — | — | — | NW 21 | NW 13 | — | WNW 7 | — | N 8 | — | — | — | NW 15 | — | NW 19 | — | — | — |
| kJ | 6 | — | — | — | — | 18 | 6 | — | 5 | — | 1 | — | — | — | 35 | — | 14 | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 3 | NNW 5 | NNW 8 | NNW 9 | — | WSW 3 | SW 3 | SW 4 | WSW 4 | WNW 8 | WNW 5 | WSW 5 | WSW 4 | NW 15 | W 3 | NW 7 | WSW 3 | WNW 7 | NW 6 | NW 7 |
| kJ | 1 | 48 | 950 | 1921 | — | 4 | 1 | 12 | 11 | 74 | 33 | 74 | 7 | 733 | 5 | 55 | 3 | 78 | 166 | 408 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 55 | 55 | 156 | 133 | 8 | 8 | 29 | 9 | 55 | 99 | 55 | 55 | 99 | 348 | 339 | 103 | 55 | 55 | 55 | 28 |
Best forecast wave conditions in Nelson - Tasman Bay | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
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Information about the Whangamoa Surf forecast
The above surf forecast table for Whangamoa provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Whangamoa can be found by selecting the local surf guide option on the grey menu. Our Whangamoa 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 (Whangamoa) 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 Whangamoa 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 Nelson - Tasman Bay? If you are looking for accommodation near Whangamoa, camping, hotels and holiday cottages in Nelson - Tasman Bay, consider staying in Nelson which is 29 km (18 miles) away. Alternatively, find information about places to stay and car hire in Blenheim which is 58 km (36 miles) away
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