Ranganunu Harbour surfForecast / Northland / New Zealand

information circle48hr Weather and Surf, issued 11 pm Monday 18 May 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Ranganunu Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ranganunu Harbour sea temperature is
18.1° C
(Which is normal for this time of year)

How big are the waves at Ranganunu Harbour today?

The current surf forecast for Ranganunu Harbour at 7AM is: 1.1m 7s primary swell from a East direction and 0.1m 14s secondary swell from a East direction (forecast issued at 11:00pm May 18). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (19 May)3.5ft (1.1m)7s
Afternoon (19 May)4ft (1.2m)6s
Evening (19 May)4ft (1.2m)6s

Table - waves today at Ranganunu Harbour. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 18°C on Wed morning, min 14°C on Mon night). Wind will be generally light.

Tuesday
19
Wednesday
20
Thursday
21
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
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.3
E
8
1.3
E
8
1.2
E
8
1.1
E
8
1.1
E
7
1.1
E
7
1.2
E
6
1.2
E
7
1.2
E
6
1.2
E
7
1.2
ENE
7
1.4
ENE
7
1.6
ENE
6
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.5
ENE
7
1.5
ENE
7
1.6
NE
7
1.6
NE
7
1.6
NE
7
1.6
NE
8
1.5
NE
8
1.4
NE
8
Wave Graph
Metric surfscale
Energy kJ
196
191
163
142
121
103
119
124
120
138
151
183
195
230
235
256
234
243
254
254
262
276
268
253
Wind (km/h)
20
SE
15
SE
15
SE
15
SE
20
SE
20
ESE
25
ESE
20
ESE
20
ESE
15
ESE
15
ESE
20
E
25
E
25
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
NE
20
ENE
20
ENE
25
ENE
25
ENE
20
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
High Tide
9:46PM2.36m
10:06AM2.25m
10:40PM2.38m
11:00AM2.23m
11:34PM2.36m
11:55AM2.18m
Low Tide
3:28AM0.25m
3:47PM0.08m
4:23AM0.27m
4:40PM0.13m
5:19AM0.31m
5:33PM0.20m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:16
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:29
5:29
5:28
Temp °C
15
14
14
14
14
17
17
16
16
16
16
16
16
18
18
17
17
17
17
17
17
18
17
17
12
11
11
11
11
13
13
13
13
13
14
13
12
13
14
13
14
14
14
14
13
15
13
14
Swell 1
Height (m)
Direction
Period (s)
0.1
E
15
1.2
E
8
0.1
E
14
0.6
ENE
8
0.5
ENE
8
0.4
ENE
9
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
Energy kJ
4
163
4
54
41
29
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
Swell 2
Height (m)
Direction
Period (s)
0.1
N
9
0.1
N
9
0.1
E
15
0.1
E
15
0.1
E
14
0.1
E
14
0.1
N
13
0.1
N
13
0.1
E
13
0.1
N
12
Energy kJ
2
2
4
4
4
4
3
3
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
N
10
0.1
N
10
0.1
N
9
0.1
N
13
Energy kJ
2
2
2
3
Wind waves
Height (m)
Direction
Period (s)
1.3
E
8
1.3
E
8
1.1
E
8
1.1
E
7
1.1
E
7
1.2
E
6
1.2
E
7
1.2
E
6
1.2
E
7
1.2
ENE
7
1.4
ENE
7
1.6
ENE
6
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.5
ENE
7
1.5
ENE
7
1.6
NE
7
1.6
NE
7
1.6
NE
7
1.6
NE
8
1.5
NE
8
1.4
NE
8
Energy kJ
196
191
142
121
103
119
124
120
138
151
183
195
230
235
256
234
243
254
254
262
276
268
253
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
2
2
2
Distance (km)
5
5
5
5
5
19
19
19
19
19
19
19
19
31
31
19
19
31
31
19
19
31
19
19
Best forecast wave conditions in Northland
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
Best forecast wave conditions in New Zealand
Rating
(10 max)
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
4
Header Global
Rating
(10 max)
4
4
4
5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
5
5
5
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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