Surf Forecasts:
Onemana surf forecast from 29 Jul 2026:
- Best quality surf: Friday 31 Jul, 9AM (local time) - 5ft (1.6m), 7s period, NNW swell with offshore winds.
- Most powerful swell: Friday 31 Jul, 3PM (local time) - 5ft (1.6m), 7s period, NNW swell with 256 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 12AM (local time) - 2.5ft (0.8m), 12s period with E swell.
Best Forecast Surf Conditions for Onemana this week:
The surf forecast for Onemana over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 30) at 12AM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.1m and 9s. Another secondary swell of 0.3m and 2s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Onemana in the next 16 days are 1.6m 7s and forecast to arrive on Friday (Jul 31) at 3PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Friday (Jul 31) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Thu 30th Jul) | 2.5ft (0.8m) 12s |
| Best Surf | 9AM (Fri 31st Jul) | 5ft (1.6m) 7s |
| Most Powerful | 3PM (Fri 31st Jul) | 5ft (1.6m) 7s |
Table - best surf conditions forecast for Onemana over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s chew the fat on Onemana.
Water temp is about 59°F, which is dead on normal for the season. No surprises.
The first few days are a bit of a snooze. Wednesday the 29th has 2ft of easterly swell with a 13-second period, glassy as a mirror, but combined energy is only 166 (moderate). You could get a few slow, clean ones if you’re keen. Thursday the 30th is similar – 2ft, clean, but very weak. Not worth rushing.
Friday the 31st is the first real bump. We get a 5ft NNW swell, but it’s short-period at 7 seconds, so expect choppy, disorganised waves. The wind is offshore from the WNW, keeping it clean, and the combined energy is 492 (moderate). That’s the best of the first week, but it ain’t a world-beater.
Then we hit a dry spell. From Saturday 1st through to Thursday 7th, it’s all tiny – under 3ft – with combined energy mostly under 100 (weak). The wind is clean on a few mornings, but the swell is just gone. A proper lull.
The second week gets interesting, but it’s a wait. Saturday 8th jumps to 10ft from the ESE, but the wind is a heavy cross-onshore at 25 mph, making it a choppy mess. That’s kite-surfing territory. The combined energy is 1102 (strong), but the quality is poor. Sunday 9th is similar, 8ft with cross-onshore wind. Not for the faint of heart.
The real gem, and the one to get excited about, is Wednesday 12th and Thursday 13th. The swell is 8ft from the ENE, with a 12-13 second period – that’s proper groundswell. The wind is glassy, dead calm, and the combined energy is massive: 2081 on Wednesday afternoon and 2546 on Thursday morning (very strong). This is for experienced surfers only – 8ft is big. The swell direction is straight out of the ENE, which is the sweet spot for Onemana, so it’ll wrap in nicely. The longer period means better-shaped waves, though it might be a bit straight at the beach. This is the highlight of the whole 16 days. Keep an eye on it, but it’s a long way off.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Very mild (max 15°C on Thu morning, min 9°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 14°C on Mon morning, min 4°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | ||||||||||||||
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) | E 13 | E 12 | E 12 | E 12 | E 11 | NNW 7 | NNW 7 | NW 7 | ESE 13 | ESE 12 | SE 5 | ESE 6 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ESE 5 | ENE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 161 | 187 | 139 | 137 | 89 | 244 | 256 | 118 | 55 | 47 | 89 | 34 | 19 | 18 | 16 | 16 | 15 | 15 | 18 | 14 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross | cross-off | cross-off | off | off | cross-off | cross-off | off | cross-off | cross-off |
High Tide | 6:51PM1.66m | 7:02AM1.57m | 7:33PM1.70m | 7:45AM1.60m | 8:13PM1.74m | 8:27AM1.62m | 8:52PM1.76m | 9:08AM1.63m | 9:30PM1.77m | 9:50AM1.64m | 10:09PM1.77m | 10:33AM1.65m | 10:51PM1.76m | |||||||
Low Tide | 1:04AM0.43m | 1:16PM0.29m | 1:48AM0.38m | 1:58PM0.26m | 2:31AM0.33m | 2:40PM0.25m | 3:12AM0.29m | 3:20PM0.25m | 3:52AM0.26m | 4:01PM0.27m | 4:32AM0.24m | 4:44PM0.29m | ||||||||
 |  |  | |  | | | |  |  |  | | | | | | | | | | |
 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — |
 | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — |
mm | — | — | — | — | 5 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 15 | 14 | 13 | 14 | 13 | 11 | 13 | 13 | 8 | 9 | 11 | 7 | 14 | 14 | 10 | 14 | 15 | 10 |
Feels °C | 11 | 9 | 11 | 10 | 8 | 10 | 8 | 7 | 10 | 11 | 2 | 4 | 7 | 3 | 9 | 9 | 6 | 10 | 11 | 7 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 12 | E 12 | E 12 | E 11 | N 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | E 11 | ESE 6 | SE 4 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | SE 4 | ESE 5 | E 4 |
| kJ | 161 | 187 | 139 | 137 | 89 | 142 | 136 | 54 | 23 | 12 | 21 | 34 | 10 | 18 | 16 | 16 | 15 | 4 | 18 | 3 |
Swell 2 Height (m) Direction Period (s) | E 9 | N 9 | E 12 | E 12 | NE 11 | E 11 | E 11 | E 11 | ESE 13 | ESE 12 | ENE 15 | ENE 15 | ENE 14 | E 5 | NE 16 | NW 4 | E 9 | ENE 12 | ENE 12 | ENE 12 |
| kJ | 2 | 2 | 3 | 3 | 5 | 93 | 89 | 62 | 55 | 47 | 22 | 23 | 19 | 2 | 10 | 1 | 2 | 15 | 15 | 14 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 12 | — | E 9 | E 19 | NE 18 | NE 18 | ENE 17 | ENE 17 | ENE 17 | NNW 6 | E 10 | E 10 | E 9 | E 6 | E 9 | — | E 18 | E 17 | E 14 |
| kJ | 3 | 3 | — | 2 | 7 | 13 | 12 | 27 | 28 | 29 | 3 | 2 | 2 | 2 | 1 | 2 | — | 6 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | — | N 2 | N 4 | NNW 4 | N 6 | NNW 7 | NNW 7 | NW 7 | — | — | SE 5 | S 5 | — | — | W 3 | SW 3 | SW 3 | SE 4 | — | — |
| kJ | — | 1 | 7 | 18 | 88 | 244 | 256 | 118 | — | — | 89 | 18 | — | — | 5 | 3 | 1 | 15 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 120 | 190 | 0 | 0 | 0 | 0 | 0 | 119 | 9 | 149 | 189 | 219 | 219 | 119 | 119 | 219 | 119 |
Best forecast wave conditions in The Coromandel | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
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Information about the Onemana Surf forecast
The above surf forecast table for Onemana provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Onemana can be found by selecting the local surf guide option on the grey menu. Our Onemana 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 (Onemana) 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 Onemana 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.
Onemana is 64 km (40 miles) from Tauranga. If you plan a holiday in The Coromandel, look for hotels and other accommodation in Tauranga. Tauranga has rooms for a wide range of budgets as well as car hire and transport links.
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