Surf Forecasts:
Motiti Island - Ernies surf forecast from 13 Sep 2026:
- Best quality surf: Friday 18 Sep, 12PM (local time) - 4.5ft (1.4m), 7s period, NNE swell with offshore winds.
- Most powerful swell: Saturday 19 Sep, 3PM (local time) - 4ft (1.2m), 9s period, NNE swell with 248 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 12PM (local time) - 4.5ft (1.4m), 7s period with NNE 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 Friday (Sep 18) at 12PM. The primary swell is predicted to be 1.4m and 7s period with a secondary swell of 0.1m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Motiti Island - Ernies in the next 16 days are 1.2m 9s and forecast to arrive on Saturday (Sep 19) 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 1.9m 6s period and expected on Thursday (Sep 17) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Fri 18th Sep) | 4.5ft (1.4m) 7s |
| Best Surf | 12PM (Fri 18th Sep) | 4.5ft (1.4m) 7s |
| Most Powerful | 3PM (Sat 19th Sep) | 4ft (1.2m) 9s |
Table - best surf conditions forecast for Motiti Island - Ernies over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 17°C on Sun afternoon, min 9°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 25mm), heaviest during Thu night. Very mild (max 16°C on Wed afternoon, min 9°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the W by Sat morning). | |||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||
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) | NE 13 | NE 12 | NE 12 | NE 12 | NE 12 | NE 11 | ENE 13 | ENE 13 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 11 | NE 9 | NNE 8 | NE 8 | NNE 9 | NNE 9 | NNE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 27 | 25 | 23 | 23 | 22 | 20 | 18 | 17 | 24 | 24 | 23 | 22 | 21 | 20 | 21 | 210 | 133 | 138 | 248 | 49 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | glassy | cross-off | glassy | on | cross-off | off | off | off | cross | cross | cross | cross-off | cross-off | cross-off | off | off | off |
High Tide | 8:16PM1.88m | 8:43AM1.82m | 9:00PM1.84m | 9:27AM1.79m | 9:43PM1.77m | 10:11AM1.75m | 10:26PM1.70m | 10:56AM1.69m | 11:10PM1.62m | 11:41AM1.62m | 11:55PM1.54m | 12:30PM1.56m | 00:44AM1.48m | |||||||
Low Tide | 2:35AM0.08m | 2:54PM0.16m | 3:18AM0.11m | 3:39PM0.21m | 4:00AM0.16m | 4:23PM0.28m | 4:43AM0.23m | 5:07PM0.35m | 5:26AM0.30m | 5:52PM0.43m | 6:11AM0.37m | 6:41PM0.49m | ||||||||
 |  |  |  |  | | | | | | | |  |  | |  | | | | | |
 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 6:01 | — | — | 6:02 | — | — | 6:04 | — | — | 6:05 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 20 | 3 | 1 | — | — | — | — |
Temp °C | 17 | 13 | 14 | 15 | 13 | 13 | 14 | 13 | 14 | 16 | 12 | 15 | 15 | 14 | 14 | 15 | 12 | 16 | 16 | 14 |
Feels °C | 12 | 10 | 12 | 13 | 12 | 12 | 13 | 12 | 10 | 11 | 8 | 11 | 11 | 9 | 11 | 12 | 7 | 9 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | NE 13 | NE 12 | NE 4 | NE 4 | NE 12 | E 4 | ENE 4 | ENE 13 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | N 7 | N 7 | NNE 8 | NE 8 | NNE 9 | NNE 9 | NW 6 |
| kJ | 27 | 25 | 4 | 4 | 22 | 2 | 1 | 17 | 24 | 24 | 23 | 22 | 21 | 262 | 171 | 210 | 133 | 138 | 248 | 47 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | ENE 8 | NE 12 | NE 12 | ENE 3 | NE 11 | NNE 11 | NNE 11 | — | NE 11 | NE 11 | N 11 | N 11 | NE 11 | NE 9 | E 13 | NNW 7 | NNW 8 | E 12 | NNE 9 |
| kJ | 7 | 7 | 23 | 23 | 1 | 20 | 12 | 12 | — | 4 | 4 | 2 | 2 | 20 | 21 | 3 | 54 | 45 | 3 | 49 |
Swell 3 Height (m) Direction Period (s) | N 14 | N 14 | E 9 | N 13 | N 13 | W 3 | ENE 13 | ENE 3 | N 12 | N 12 | N 10 | E 13 | E 12 | — | NE 11 | — | E 12 | — | — | E 11 |
| kJ | 4 | 16 | 6 | 3 | 14 | 1 | 18 | 1 | 3 | 3 | 2 | 3 | 3 | — | 5 | — | 3 | — | — | 3 |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 3 | — | — | — | ENE 4 | NE 3 | — | SW 3 | W 2 | WNW 3 | NNW 3 | N 5 | N 7 | — | — | — | WSW 4 | W 5 | WSW 5 |
| kJ | 13 | 2 | — | — | — | 2 | 2 | — | 2 | 1 | 1 | 7 | 63 | 331 | — | — | — | 40 | 92 | 130 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 273 | 126 | 166 | 126 | 166 | 140 | 179 | 176 | 176 | 176 | 176 | 166 | 178 | 61 | 1 | 0 | 12 | 41 | 176 | 178 |
Best forecast wave conditions in Bay of Plenty | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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