Sponge bay surf break

Sponge bay surfForecast / Gisborne and Mahia / New Zealand

information circle16 Day Weather and Surf, issued 12 pm Friday 27 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
18.8° 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 Saturday (Mar 28) at 1AM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 0.1m and 16s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Sponge bay in the next 16 days are 2.0m 15s and forecast to arrive on Wednesday (Apr 01) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 8s period and expected on Friday (Mar 27) at 7PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sat 28th Mar)5ft (1.5m) 8s
Best Surf 1AM (Thu 2nd Apr)4.5ft (1.3m) 14s
Most Powerful 7AM (Wed 1st Apr)6.5ft (2.0m) 15s

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 Fri morning. Warm (max 25°C on Sat afternoon, min 16°C on Sun night). Winds decreasing (fresh winds from the NE on Fri morning, calm by Sun morning).

Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Mon morning. Warm (max 25°C on Mon afternoon, min 14°C on Wed night). Wind will be generally light.

Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
2
2
2
2
2
2
2
1
0
1
0
0
1
3
2
3
2
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.1
S
0.1
S
1.5
E
1.4
E
1.3
E
1.5
ESE
1.5
ESE
1.4
ESE
1.2
ESE
1
ESE
0.8
ESE
0.4
SSE
0.5
S
0.5
S
1.6
SSE
1.9
SSE
1.6
SSE
1.3
SSE
1.3
SSE
1.3
SSE
1.2
SSE
Period(s) (?)12118111012121211111119171616141414131413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3229844135360959950533725915611814212611781455915712615586437
Wind
(km/h)
30
NNE
25
NNE
15
NNE
10
N
15
NNE
15
NW
5
NW
10
NE
10
NW
10
N
15
NW
10
WNW
15
S
25
SSW
15
E
10
E
10
E
10
NNE
5
NNW
20
NE
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offoffoffcross-
off
glasscross-
off
cross-
off
offcross-
off
cross-
off
ononcrosscrosscrossoffoffcross-
off
off
High Tide
/ height (m)
1:34PM
1.80
2:10AM
1.88
2:38PM
1.75
3:15AM
1.84
3:59PM
1.74
4:31AM
1.85
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
Low Tide
/ height (m)
7:54PM
0.59
8:32AM
0.69
8:56PM
0.63
9:41AM
0.69
10:08PM
0.63
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
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Sunrise7:16--7:16--7:18--7:18--7:20--7:20--7:22--
Sunset-7:08--7:07--7:06--7:05--7:02--7:01--7:00-
light rain
light rain
part cloud
clear
clear
clear
cloud
cloud
light rain
rain showers
clear
clear
clear
rain showers
light rain
light rain
part cloud
rain showers
clear
clear
clear
Rain (mm)
31------21---142-1---
Temp. °C181818222519202119242520181815151515161615
Feels °C (?)141416222418212018222318171411141314141312
  • 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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