Surf Forecasts:
Haumoana River Mouth surf forecast from 31 Aug 2026:
- Most powerful swell: Wednesday 2 Sep, 12PM (local time) - 1.5ft (0.4m), 9s period, NE swell with 23 kJ wave energy.
Best Forecast Surf Conditions for Haumoana River Mouth this week:
The most powerful waves expected at Haumoana River Mouth in the next 16 days are 0.4m 9s and forecast to arrive on Wednesday (Sep 02) 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 1.3m 8s period and expected on Tuesday (Sep 08) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12PM (Wed 2nd Sep) | 1.5ft (0.4m) 9s |
Table - best surf conditions forecast for Haumoana River Mouth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's be honest, the next couple of weeks are looking pretty bleak for a proper paddle. We've got a long dry spell ahead, so don't be in a rush to grab your board.
Looking at the charts, there's just nothing happening for the first twelve days. It's a real flat spell from the 1st right through to the morning of the 12th of September. The energy is tiny, with the combined swell energy barely getting into double digits – we're talking values between 2 and 19 for the most part. The river mouth is exposed, but the swell is coming from the wrong directions for any size to wrap in, and periods are short and weak.
We finally see a flicker of life on the morning of Sunday the 13th of September at Haumoana River Mouth. It's not going to set the world on fire, but after that long wait, it's the only thing on the menu. Swell will be a tiny 2ft from the E with a period of 10 seconds, giving us a combined energy of 51. The wind is a light NW cross-offshore breeze at 9 mph, which will keep the surface clean. The water temp is about average for this time of year. This is a river bar, so it can be a bit fickle, and with it being an exposed spot, that E direction isn't its optimum (it prefers NE), so the waves will be pretty ordinary and small. Honestly, it's more of a chance to get wet than a proper surf, but it's all we've got.
After that, it's right back into the doldrums. The afternoon of the 13th drops off, and the 14th, 15th, and 16th of September are all showing poor conditions and minimal swell. It's a grim outlook, but that's the hand we've been dealt. Sometimes you just have to wait for the next weather pattern to shift.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 20°C on Thu afternoon, min 7°C on Mon night). Winds decreasing (strong winds from the WSW on Mon night, calm by Tue afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 19°C on Fri afternoon, min 8°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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) | E 8 | SE 6 | E 10 | E 10 | E 10 | NE 9 | E 10 | NNW 3 | E 9 | E 10 | NNE 4 | NNE 4 | E 10 | E 10 | SE 10 | NE 4 | ENE 5 | N 4 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 5 | 17 | 2 | 2 | 2 | 14 | 2 | 3 | 2 | 2 | 5 | 6 | 2 | 2 | 4 | 7 | 4 | 12 | 17 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross-off |
High Tide | 8:20AM1.47m | 8:43PM1.51m | 9:08AM1.50m | 9:31PM1.51m | 9:57AM1.53m | 10:21PM1.50m | 10:49AM1.55m | 11:14PM1.50m | 11:43AM1.57m | 00:10AM1.49m | 12:41PM1.58m | 1:07AM1.48m | |||||||
Low Tide | 2:17AM0.17m | 2:37PM0.17m | 3:02AM0.16m | 3:26PM0.16m | 3:50AM0.15m | 4:17PM0.16m | 4:39AM0.14m | 5:10PM0.16m | 5:31AM0.14m | 6:04PM0.16m | 6:25AM0.13m | 7:01PM0.15m | |||||||
 |  | |  |  | | | | | | | | | | |  |  | | | |
 | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — |
 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 13 | 8 | 11 | 11 | 17 | 18 | 13 | 19 | 20 | 15 | 18 | 19 | 13 | 16 | 17 | 12 | 16 | 16 | 14 |
Feels °C | 4 | 3 | 9 | 6 | 14 | 14 | 8 | 16 | 18 | 12 | 13 | 16 | 9 | 13 | 13 | 9 | 10 | 11 | 13 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SE 6 | SSE 14 | SSE 17 | SSE 18 | SSE 18 | SSE 16 | SSE 12 | SSE 11 | SSE 10 | SE 10 | SE 10 | NE 5 | S 8 | — | NE 3 | ENE 5 | ENE 5 | ENE 7 |
| kJ | 7 | 17 | 178 | 258 | 180 | 207 | 98 | 29 | 13 | 11 | 4 | 4 | 1 | 1 | — | 2 | 4 | 2 | 17 |
Swell 2 Height (m) Direction Period (s) | SSE 15 | SSE 14 | E 10 | E 10 | E 10 | E 10 | — | — | — | E 10 | E 10 | E 10 | E 10 | — | S 8 | SE 5 | SE 9 | S 9 | SSW 10 |
| kJ | 21 | 36 | 2 | 2 | 2 | 2 | — | — | — | 2 | 2 | 2 | 2 | — | 1 | 1 | 3 | 2 | 10 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 11 | — | — | — | — | E 10 | — | E 9 | — | — | — | S 8 | E 10 | SE 10 | SE 10 | — | E 10 | S 17 |
| kJ | 5 | 2 | — | — | — | — | 2 | — | 2 | — | — | — | 1 | 2 | 4 | 4 | — | 2 | 6 |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 2 | — | — | — | NE 9 | — | NNW 3 | NNE 2 | — | NNE 4 | NNE 4 | — | — | — | NE 4 | — | N 4 | — |
| kJ | 2 | 1 | — | — | — | 14 | — | 3 | 1 | — | 5 | 6 | — | — | — | 7 | — | 12 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 180 | 26 | 13 | 20 | 13 | 6 | 27 | 13 | 6 | 20 | 36 | 20 | 102 | 13 | 20 | 13 | 85 | 104 | 27 |
Best forecast wave conditions in Hawkes Bay | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Haumoana River Mouth Surf forecast
The above surf forecast table for Haumoana River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Haumoana River Mouth can be found by selecting the local surf guide option on the grey menu. Our Haumoana River Mouth 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 (Haumoana River Mouth) 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 Haumoana River Mouth 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.
Haumoana River Mouth is 9 km (6 miles) from the city of Hastings. If you plan a holiday in Hawkes Bay, look for hotels and other accommodation in Hastings. Hastings has rooms for a wide range of budgets as well as car hire and transport links.
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