Sponge bay surf break

Sponge bay surfForecast / Gisborne and Mahia / New Zealand

information circle48hr Weather and Surf, issued 5 am Monday 18 May 2026 NZST
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
15.8° C
(Which is slightly cooler than normal)

How big are the waves at Sponge bay today?

The current surf forecast for Sponge bay at 9AM is: 1.0m 6s primary swell from a Southeast direction and 0.4m 10s secondary swell from a South-southeast direction (forecast issued at 05:00am May 18). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (18 May)3.5ft (1.0m)6s
Afternoon (18 May)3ft (0.9m)6s
Evening (18 May)3.5ft (1.1m)6s

Table - waves today at Sponge bay. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 10mm), heaviest on Mon morning. Very mild (max 15°C on Wed afternoon, min 10°C on Tue night). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
Thu
21
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
Rating
(10 max)
0
0
0
0
0
0
0
1
1
1
1
1
0
1
1
1
1
1
1
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.4
SSE
16
1.5
SSE
10
1
SE
6
0.9
SE
6
0.9
SE
6
0.9
SE
6
1.1
SE
6
1.1
SE
6
1
SE
6
0.9
ESE
6
0.9
ESE
6
0.8
ESE
6
0.7
SE
6
0.7
SE
6
0.8
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.5
SE
10
0.5
SE
9
0.5
SE
9
0.4
SE
9
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
87
416
67
56
56
56
95
82
64
57
57
41
37
31
101
67
65
51
52
45
36
37
27
19
Wind (km/h)
15
S
15
SSE
10
SE
15
SSE
15
SSE
10
S
5
S
5
WSW
5
SW
5
SSE
5
SSE
5
E
5
E
10
ENE
10
NNE
10
NW
10
NNW
10
NNW
10
NNW
10
NNE
20
NE
15
NNE
15
NNW
15
NNW
on
on
cross-on
cross-on
cross-on
on
on
glassy
glassy
glassy
glassy
glassy
cross
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
High Tide
6:21AM2.01m
6:55PM2.10m
7:17AM2.00m
7:52PM2.11m
8:17AM1.97m
8:51PM2.09m
Low Tide
00:13AM0.45m
12:39PM0.34m
1:12AM0.47m
1:34PM0.37m
2:14AM0.50m
2:30PM0.43m
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:05
7:05
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:01
5:01
5:00
5:00
1
1
1
2
2
1
1
1
1
1
Temp °C
13
13
14
14
14
14
13
13
12
13
13
13
13
13
12
11
10
10
10
13
15
13
12
11
10
10
12
11
11
12
12
13
11
13
13
12
11
11
10
9
7
8
7
11
11
10
9
7
Swell 1
Height (m)
Direction
Period (s)
0.9
SE
6
0.9
SE
6
1
SE
6
0.9
SE
6
0.9
SE
6
0.9
SE
6
0.9
SE
6
0.9
SE
6
1
SE
6
0.9
ESE
6
0.9
ESE
6
0.8
ESE
6
0.7
SE
6
0.7
SE
6
0.8
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.5
SE
10
0.5
SE
9
0.5
SE
9
0.4
SE
9
0.4
SE
9
Energy kJ
60
60
67
56
56
56
49
49
64
57
57
41
32
31
101
67
65
51
52
45
36
37
27
19
Swell 2
Height (m)
Direction
Period (s)
0.5
SSE
10
0.5
SSE
10
0.4
SSE
10
0.4
SSE
9
0.4
SSE
9
0.4
SSE
9
0.4
SSE
9
0.4
SSE
10
0.4
SSE
10
0.4
SSE
10
0.4
SSE
10
0.4
SSE
10
0.4
SSE
10
0.4
SE
10
0.3
E
9
0.3
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
8
0.2
E
8
0.3
ENE
4
0.4
ENE
4
0.3
ENE
4
Energy kJ
57
56
37
35
34
34
34
36
39
38
38
38
37
23
15
14
6
6
6
6
6
2
5
3
Swell 3
Height (m)
Direction
Period (s)
0.4
SSE
16
0.3
SSE
16
0.3
SSE
16
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
9
0.3
E
9
0.1
SE
12
0.2
SSE
12
0.2
SSE
11
0.2
ESE
14
0.2
ESE
14
0.2
E
5
0.2
ESE
13
0.2
E
8
0.2
E
8
0.2
E
8
Energy kJ
87
49
47
16
16
15
16
17
17
17
17
16
15
15
6
14
13
20
20
2
17
6
6
6
Wind waves
Height (m)
Direction
Period (s)
1.5
SSE
10
1.1
SE
6
1.1
SE
6
0.8
E
5
0.3
ENE
5
0.6
NE
4
0.6
NE
4
0.8
NNE
4
Energy kJ
416
95
82
33
4
10
10
22
Nearest Offshore or Glassy
Rating
(10 max)
3
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
42
43
44
43
36
10
4
0
0
0
0
0
1
0
0
0
0
0
0
1
6
8
3
3
Best forecast wave conditions in Gisborne and Mahia
Rating
(10 max)
2
3
2
2
2
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in New Zealand
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
8
6
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
4
4
5
4
4
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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