Surf Forecasts:
Motiti Island - Ernies surf forecast from 17 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 3AM (local time) - 2ft (0.6m), 10s period, E swell with 67 kJ wave energy.
Best Forecast Surf Conditions for Motiti Island - Ernies this week:
The most powerful waves expected at Motiti Island - Ernies in the next 16 days are 0.6m 10s and forecast to arrive on Tuesday (Aug 18) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Sunday (Aug 23) at 12PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 3AM (Tue 18th Aug) | 2ft (0.6m) 10s |
Table - best surf conditions forecast for Motiti Island - Ernies over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 15°C on Tue afternoon, min 6°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 16°C on Sat afternoon, min 9°C on Thu night). Winds increasing (light winds from the WSW on Fri morning, fresh winds from the WNW by Sun morning). | ||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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 10 | E 9 | E 9 | E 9 | E 10 | SSE 4 | E 9 | E 9 | E 8 | E 6 | E 10 | E 9 | NE 12 | E 9 | NE 14 | NE 14 | NE 13 | NE 13 | NE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 68 | 42 | 26 | 6 | 8 | 18 | 14 | 7 | 12 | 3 | 8 | 6 | 6 | 2 | 8 | 8 | 7 | 7 | 6 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | off | off |
High Tide | 10:16PM1.84m | 10:44AM1.74m | 11:01PM1.76m | 11:32AM1.68m | 11:47PM1.66m | 12:20PM1.61m | 00:34AM1.58m | 1:10PM1.55m | 1:24AM1.51m | 2:03PM1.51m | 2:17AM1.46m | 2:58PM1.49m | |||||||
Low Tide | 4:36AM0.13m | 4:54PM0.24m | 5:20AM0.19m | 5:40PM0.33m | 6:05AM0.27m | 6:28PM0.41m | 6:51AM0.35m | 7:17PM0.48m | 7:40AM0.41m | 8:09PM0.54m | 8:32AM0.44m | 9:04PM0.56m | |||||||
 |  |  | | | | | | | | | |  | | | |  |  |  | |
 | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — |
 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
Temp °C | 9 | 12 | 15 | 10 | 11 | 13 | 10 | 11 | 14 | 12 | 13 | 15 | 12 | 14 | 16 | 13 | 14 | 13 | 12 |
Feels °C | 5 | 7 | 9 | 4 | 4 | 7 | 6 | 8 | 10 | 9 | 9 | 10 | 8 | 8 | 11 | 9 | 8 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 6 | E 8 | E 6 | E 10 | E 9 | E 9 | N 15 | NE 14 | NE 11 | NE 13 | NNW 7 | NE 12 |
| kJ | 68 | 42 | 26 | 6 | 8 | 7 | 14 | 7 | 12 | 3 | 8 | 6 | 2 | 5 | 8 | 5 | 7 | 191 | 6 |
Swell 2 Height (m) Direction Period (s) | N 11 | — | NE 10 | NE 10 | NE 10 | N 10 | E 12 | E 9 | — | E 9 | N 10 | E 11 | NE 12 | — | E 14 | NE 14 | E 12 | NE 13 | E 12 |
| kJ | 2 | — | 4 | 4 | 4 | 2 | 3 | 6 | — | 1 | 2 | 2 | 6 | — | 4 | 8 | 3 | 7 | 3 |
Swell 3 Height (m) Direction Period (s) | N 10 | NE 11 | — | E 5 | — | — | — | — | — | N 10 | — | N 9 | E 6 | E 9 | — | E 13 | — | E 12 | N 10 |
| kJ | 2 | 4 | — | 1 | — | — | — | — | — | 2 | — | 2 | 1 | 2 | — | 3 | — | 3 | 2 |
Wind waves Height (m) Direction Period (s) | SSE 4 | SW 3 | SW 3 | SW 4 | SSW 4 | SSE 4 | SE 4 | — | — | WSW 3 | WSW 3 | W 3 | WNW 4 | W 4 | W 3 | WNW 4 | NW 6 | NNW 7 | NW 6 |
| kJ | 7 | 2 | 2 | 13 | 18 | 18 | 3 | — | — | 3 | 1 | 2 | 11 | 9 | 5 | 28 | 171 | 259 | 85 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 49 | 87 | 166 | 166 | 134 | 134 | 72 | 166 | 166 | 173 | 176 | 176 | 176 | 176 | 178 | 178 | 42 | 12 |
Best forecast wave conditions in Bay of Plenty | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Motiti Island - Ernies surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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