Waimanu Bay Surf Break

Lat Long: 20.15° N 155.64° W

Waimanu Bay 48 hour detailed Surf Forecast

Issued: 1 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Waimanu Bay sea temperature is
27.2°C
0.5° 

Waimanu Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Waimanu Bay today (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 5.5ft (1.7m), 11s period with ENE swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 5ft (1.6m), 10s period with NE swell.
  • Evening surf: Evening surf (08 Sep, local time) - 4.5ft (1.4m), 10s period with NE swell.

The current surf forecast for Waimanu Bay at 5AM is: 1.8m 11s primary swell from a East-northeast direction (forecast issued at 01:00am September 08). An open ocean swell of 1.5m 13s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 4.

Time (HST) & DateWave HeightWave Period
Morning (08 Sep)5.5ft (1.7m)11s
Afternoon (08 Sep)5ft (1.6m)10s
Evening (08 Sep)4.5ft (1.4m)10s

Table - waves today at Waimanu Bay. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue afternoon. Warm (max 29°C on Tue morning, min 25°C on Thu night). Wind will be generally light.

Tuesday
8
Wednesday
9
Thursday
10
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
4
4
3
2
3
3
3
3
3
2
1
0
1
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
ENE
11
1.8
ENE
11
1.7
ENE
11
1.8
NE
11
1.6
NE
10
1.5
NE
10
1.4
NE
10
1.4
NE
9
0.9
E
13
0.9
E
13
0.8
E
13
0.8
E
13
1.8
ENE
12
1.8
ENE
12
1.5
E
7
1.5
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
934
814
713
743
530
450
341
307
280
276
215
217
1025
1009
251
222
193
197
172
162
191
168
158
144
Wind (km/h)
0
E
0
ESE
5
N
10
NNW
5
NW
5
E
0
ENE
5
NW
5
W
5
ESE
15
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
15
ENE
15
ENE
15
E
15
E
Wind State
glassy
glassy
glassy
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
00:43AM0.52m
1:36PM0.94m
1:30AM0.60m
2:09PM0.92m
2:13AM0.67m
2:38PM0.89m
Low Tide
6:32AM0.10m
8:11PM0.23m
7:21AM0.10m
8:35PM0.20m
8:06AM0.12m
8:58PM0.17m
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:30
 mm
1
1
1
1
1
Temp °C
28
28
28
29
29
28
28
27
27
27
27
28
28
27
27
26
26
26
26
27
27
26
26
25
Feels °C
33
33
32
33
35
34
34
32
32
32
30
30
31
29
29
28
28
27
27
28
29
28
28
26
  • 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
How to use the Wavefinder 

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