Surf Forecasts:
Motiti Island - Ernies surf forecast from 9 Aug 2026:
- Best quality surf: Saturday 15 Aug, 12PM (local time) - 2.5ft (0.8m), 8s period, NE swell with glassy winds.
- Most powerful swell: Wednesday 12 Aug, 12AM (local time) - 5ft (1.5m), 9s period, NNE swell with 337 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 12PM (local time) - 2.5ft (0.8m), 8s period with NE swell.
Best Forecast Surf Conditions for Motiti Island - Ernies this week:
The surf forecast for Motiti Island - Ernies over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 15) at 12PM. The primary swell is predicted to be 0.8m and 8s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Motiti Island - Ernies in the next 16 days are 1.5m 9s and forecast to arrive on Wednesday (Aug 12) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 8s period and expected on Monday (Aug 10) at 6AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Sat 15th Aug) | 2.5ft (0.8m) 8s |
| Best Surf | 12PM (Sat 15th Aug) | 2.5ft (0.8m) 8s |
| Most Powerful | 12AM (Wed 12th Aug) | 5ft (1.5m) 9s |
Table - best surf conditions forecast for Motiti Island - Ernies over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Sun night. Very mild (max 15°C on Mon afternoon, min 9°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 75mm), heaviest during Thu night. Very mild (max 15°C on Fri morning, min 13°C on Wed night). Winds decreasing (fresh winds from the ENE on Thu night, calm by Sat morning). | ||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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) | ENE 12 | NE 12 | NE 12 | NE 12 | NE 11 | NE 13 | NNE 9 | ENE 5 | ENE 5 | NE 8 | NE 7 | NE 6 | NE 6 | NNE 7 | NE 7 | NE 7 | NE 8 | NE 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 15 | 6 | 6 | 6 | 5 | 7 | 337 | 42 | 48 | 257 | 225 | 284 | 321 | 251 | 244 | 93 | 72 | 123 | 91 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross | on | cross-on | on | cross-on | cross-on | on | on | cross-on | on | cross-on | cross-on | cross | glassy | off |
High Tide | 3:25AM1.68m | 4:09PM1.76m | 4:29AM1.71m | 5:11PM1.82m | 5:31AM1.75m | 6:09PM1.89m | 6:29AM1.79m | 7:03PM1.94m | 7:25AM1.82m | 7:54PM1.97m | 8:17AM1.83m | 8:43PM1.96m | |||||||
Low Tide | 9:18PM0.35m | 9:46AM0.18m | 10:23PM0.31m | 10:48AM0.14m | 11:27PM0.25m | 11:49AM0.10m | 00:27AM0.18m | 12:45PM0.06m | 1:22AM0.12m | 1:39PM0.04m | 2:14AM0.07m | 2:30PM0.05m | |||||||
 |  | |  |  | |  |  | | | |  |  | | | |  | | | |
 | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — |
 | — | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — |
mm | 7 | — | — | — | — | — | — | — | — | — | — | 1 | 36 | 5 | 3 | 27 | 3 | — | — |
Temp °C | 13 | 13 | 15 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 13 |
Feels °C | 10 | 10 | 11 | 8 | 10 | 10 | 11 | 9 | 9 | 9 | 11 | 10 | 9 | 12 | 12 | 11 | 15 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | N 7 | N 8 | N 8 | N 8 | N 8 | N 8 | NE 11 | N 8 | N 8 | N 12 | N 12 | N 11 | NE 11 | NNE 7 | NE 7 | NE 7 | N 7 | NE 8 | E 8 |
| kJ | 246 | 347 | 270 | 181 | 146 | 146 | 5 | 144 | 137 | 3 | 3 | 3 | 18 | 251 | 244 | 93 | 112 | 123 | 91 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | NE 12 | NE 12 | NE 12 | NE 11 | NE 11 | N 13 | N 12 | N 12 | — | — | E 16 | E 15 | NE 10 | E 14 | N 6 | NE 8 | E 8 | NE 8 |
| kJ | 15 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | — | — | 5 | 5 | 35 | 4 | 28 | 72 | 76 | 53 |
Swell 3 Height (m) Direction Period (s) | — | E 11 | E 11 | — | N 14 | NE 13 | N 13 | — | — | — | — | — | N 11 | E 15 | NNE 8 | NE 10 | E 8 | N 7 | N 7 |
| kJ | — | 3 | 2 | — | 4 | 7 | 3 | — | — | — | — | — | 2 | 4 | 7 | 26 | 18 | 36 | 15 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | WNW 3 | WSW 3 | WSW 3 | — | NNE 9 | ENE 5 | ENE 5 | NE 8 | NE 7 | NE 6 | NE 6 | — | E 5 | — | SSW 2 | SSW 2 | WSW 4 |
| kJ | — | 3 | 9 | 7 | 1 | — | 337 | 42 | 48 | 257 | 225 | 284 | 321 | — | 22 | — | 1 | 1 | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 49 | 3 | 13 | 12 | 1 | 18 | 12 | 13 | 139 | 101 | 101 | 147 | 101 | 103 | 101 | 103 | 12 | 0 | 0 |
Best forecast wave conditions in Bay of Plenty | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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Information about the Motiti Island - Ernies Surf forecast
The above surf forecast table for Motiti Island - Ernies provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Motiti Island - Ernies can be found by selecting the local surf guide option on the grey menu. Our Motiti Island - Ernies 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 (Motiti Island - Ernies) 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 Motiti Island - Ernies 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 Bay of Plenty? If you are looking for accommodation near Motiti Island - Ernies, camping, hotels and holiday cottages in Bay of Plenty, consider staying in Tauranga which is 22 km (14 miles) away. Other places in and around Bay of Plenty where you can find information about places to rent, and car hire include Rotorua which is 57 km (35 miles) away, Whakatane, Cambridge and Hamilton.
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