Motiti Island - Ernies Surf Forecast

/ Bay of Plenty (18 surf breaks) /

New Zealand (466 surf breaks) / Lat Long: (37.64° S 176.41° E)

Surf Forecasts:

Motiti Island - Ernies surfForecast / Bay of Plenty / New Zealand

12 Day Weather and Surf, issued 11 am Thursday 18 Sep 2025 NZST

Forecast update in hr min s Forecast update imminent

Motiti Island - Ernies surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Motiti Island - Ernies sea temperature is 14.8° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Motiti Island - Ernies this week:

The surf forecast for Motiti Island - Ernies over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 25) at 12PM. The primary swell is predicted to be 0.8m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Motiti Island - Ernies in the next 12 days are 1.0m 14s and forecast to arrive on Wednesday (Sep 24) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Wednesday (Sep 24) at 6PM.

Wave Type	Time (NZST) & Date	Wave Height & Period
Next good surf (1 star+)	12PM (Thu 25th Sep)	2.5ft (0.8m) 13s
Best Surf	12PM (Thu 25th Sep)	2.5ft (0.8m) 13s
Most Powerful	3PM (Wed 24th Sep)	3.5ft (1.0m) 14s

Table - best surf conditions forecast for Motiti Island - Ernies over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Moderate rain (total 15mm), heaviest on Thu afternoon. Very mild (max 17°C on Thu morning, min 7°C on Fri night). Winds decreasing (fresh winds from the NW on Thu morning, calm by Fri morning).									Days 3-6 Weather Summary Heavy rain (total 27mm), heaviest during Tue afternoon. Very mild (max 15°C on Mon morning, min 13°C on Sun morning). Mainly fresh winds.
	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	NE	NE	NE	NE	NE	ESE	E	NE	NNE	N	N	NE	NE	NE	ENE	ENE	ENE	ENE	E	E	E
Period(s) (?)	10	10	10	10	10	4	4	4	4	5	6	10	12	11	11	11	10	11	16	14	14
Wave Graph (?)
kJ (?)	4	4	4	4	4	12	7	4	8	42	116	15	23	60	78	99	92	117	181	401	394
Wind (km/h)	NW	NW	W	SW	SE	SE	ESE	NNE	N	N	N	N	N	N	N	N	N	N	N	N	N
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	off	cross- off	cross- on	cross- on	cross- on	cross- on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross- off	cross	cross
High Tide / height (m)		3:48PM 1.68		4:12AM 1.58	4:46PM 1.69		5:09AM 1.60	5:38PM 1.71		6:01AM 1.63		6:24PM 1.73	6:48AM 1.66		7:07PM 1.75	7:31AM 1.69		7:47PM 1.75	8:12AM 1.71		8:26PM 1.73
Low Tide / height (m)	9:25AM 0.30		10:06PM 0.38	10:25AM 0.31		11:04PM 0.34	11:21AM 0.29		11:56PM 0.30		12:11PM 0.28	12:42AM 0.25		12:57PM 0.26	1:24AM 0.22		1:40PM 0.26	2:04AM 0.20		2:22PM 0.26	2:43AM 0.20

	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
Sunrise	6:09	-	-	6:09	-	-	6:07	-	-	6:05	-	-	6:03	-	-	6:03	-	-	6:01	-	-
Sunset	-	6:07	-	-	6:07	-	-	6:07	-	-	6:08	-	-	6:09	-	-	6:10	-	-	6:12	-

Rain (mm)	-	11	1	-	3	-	-	-	-	-	-	1	-	-	6	6	7	7	3	2	24
Temp. °C	17	14	13	14	11	10	9	13	13	14	14	14	15	15	14	14	14	15	15	15	15
Feels °C (?)	11	9	8	12	8	5	6	10	8	8	8	9	10	10	9	9	9	10	10	10	11

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Bay of Plenty

Wind Update The wind is still cross-off at Motiti Island - Ernies (moderate winds from the NW at Tauranga Airport 19 km from Motiti Island - Ernies). 0.1m 10s swell from the NE to make surfable waves.
1 hour 34 minutes ago Motiti Island - Ernies

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19 km away, 1 h 34 min ago

22 km/h

0.0

14.8

Air / Water (°C)

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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 12 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.