Sponge bay surf break

Sponge bay surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 6 am Monday 30 Mar 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Sponge bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sponge bay sea temperature is
18.7° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Sponge bay this week:

The surf forecast for Sponge bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 30) at 4PM. The primary swell is predicted to be 0.9m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Sponge bay in the next 16 days are 1.8m 14s and forecast to arrive on Wednesday (Apr 01) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Apr 03) at 10PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Mon 30th Mar)3ft (0.9m) 11s
Best Surf 1AM (Tue 31st Mar)1.5ft (0.5m) 18s
Most Powerful 7AM (Wed 1st Apr)6ft (1.8m) 14s

Table - best surf conditions forecast for Sponge bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 6mm), mostly falling on Tue night. Warm (max 25°C on Mon afternoon, min 12°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the SSE by Tue afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Sat morning, min 12°C on Thu night). Wind will be generally light.

Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
2
0
0
1
1
0
2
2
1
2
2
1
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1
ESE
0.9
ESE
0.5
S
0.5
S
0.5
S
1.4
SSE
1.7
SSE
1.3
SSE
1.3
SSE
1.1
SSE
1.1
SSE
0.7
SE
1.2
SSE
1
SSE
0.8
SSE
0.7
SSE
0.6
SSE
0.4
SE
0.2
SSE
0.3
SE
0.4
SSE
Period(s) (?)111118161615131315131216151312121111141416
Wave
Graph
(?)Metric surfscale
Energy kJ (?)25416716313212485610025877523953652485683681931218129183282
Wind
(km/h)
15
NNW
10
NW
5
W
15
SSE
30
S
20
S
15
SSE
15
SSE
10
SSW
5
W
10
E
10
NNW
10
N
25
NE
15
NNW
15
NW
20
NE
20
NW
0
W
25
S
30
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
glassonononcross-
on
oncross-
on
glasscrosscross-
off
offcross-
off
offcross-
off
cross-
off
cross-
off
glassoncross-
on
High Tide
/ height (m)
5:13PM
1.79
5:37AM
1.90
6:06PM
1.86
6:26AM
1.94
6:50PM
1.90
7:07AM
1.96
7:31PM
1.93
7:44AM
1.96
8:10PM
1.94
8:20AM
1.93
8:49PM
1.93
8:56AM
1.89
9:27PM
1.90
Low Tide
/ height (m)
10:50AM
0.65
11:17PM
0.59
11:49AM
0.59
12:09AM
0.53
12:38PM
0.53
12:54AM
0.49
1:21PM
0.48
1:35AM
0.48
1:59PM
0.46
2:15AM
0.49
2:36PM
0.45
2:56AM
0.52
3:13PM
0.48
3:37AM
0.56
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Sunrise7:18--7:20--7:20--7:22--7:22--7:22--7:24--
Sunset-7:05--7:02--7:01--7:00--6:59--6:57--6:55-
clear
part cloud
clear
part cloud
light rain
light rain
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
mod rain
Rain (mm)
----24--------------8
Temp. °C232520181714141414141514161715202017171716
Feels °C (?)21242017139111112121312131312181713151411
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Sponge bay Surf forecast

The above surf forecast table for Sponge bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sponge bay can be found by selecting the local surf guide option on the grey menu. Our Sponge bay 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 (Sponge bay) 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 Sponge bay 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 Gisborne and Mahia? If you are looking for accommodation near Sponge bay, camping, hotels and holiday cottages in Gisborne and Mahia, consider staying in Gisborne which is 8 km (5 miles) away.

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