Waimanu Bay Surf Break

Lat Long: 20.15° N 155.64° W

Waimanu Bay 48 hour detailed Surf Forecast

Issued: 1 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Waimanu Bay sea temperature is
27.6°C
0.8° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 7ft (2.1m), 8s period with E swell.
  • Evening surf: Evening surf (18 Sep, local time) - 6ft (1.9m), 8s period with E swell.

The current surf forecast for Waimanu Bay at 8AM is: 1.9m 8s primary swell from a East direction (forecast issued at 01:00am September 18). An open ocean swell of 0.1m 10s is not directed at the surf break, a second open ocean swell of 0.1m 18s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Sep)6ft (1.9m)8s
Afternoon (18 Sep)7ft (2.1m)8s
Evening (18 Sep)6ft (1.9m)8s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Fri morning, min 25°C on Sat night). Mainly fresh winds.

Friday
18
Saturday
19
Sunday
20
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)
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 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
8
1.9
E
8
1.9
E
8
2
E
8
2.1
E
8
2
E
8
1.9
E
8
1.9
E
8
1.8
E
8
1.8
E
8
1.8
E
8
1.9
ENE
8
2
E
8
2
E
8
1.9
ENE
8
1.9
E
8
1.8
E
9
1.7
E
9
1.6
E
9
1.7
E
9
1.7
ENE
9
1.7
ENE
9
1.6
ENE
8
1.6
ENE
9
Wave Graph
Metric surfscale
Energy kJ
485
476
488
520
565
526
481
493
461
461
472
534
576
576
522
512
476
435
381
442
442
442
385
394
Wind (km/h)
25
E
25
E
25
E
25
E
25
ENE
25
E
20
E
20
E
20
E
25
E
25
E
25
E
25
E
25
E
25
E
20
E
25
E
25
E
25
E
25
ENE
25
ENE
30
ENE
25
E
25
E
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:21AM0.69m
10:50AM0.71m
9:14PM0.38m
11:43AM0.75m
Low Tide
00:12AM0.24m
1:37AM0.27m
7:48PM0.37m
3:34AM0.27m
7:09PM0.35m
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:21
6:20
 mm
Temp °C
26
26
27
28
28
27
26
26
26
26
27
28
28
27
26
26
25
25
26
27
27
26
26
26
Feels °C
26
25
26
27
27
26
26
26
26
25
26
27
28
27
26
27
25
24
25
26
26
24
25
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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimanu Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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