Waimanu Bay Surf Break

Lat Long: 20.15° N 155.64° W

Waimanu Bay 48 hour detailed Surf Forecast

Issued: 1 am 14 Aug 2026 (local time)

Forecast update in  hr  min

Today's Waimanu Bay sea temperature is
27.1° C
0.7° 

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 (14 Aug):

  • Morning surf: Morning surf (14 Aug, local time) - 7ft (2.1m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (14 Aug, local time) - 8ft (2.5m), 11s period with E swell.
  • Evening surf: Evening surf (14 Aug, local time) - 10ft (3.0m), 11s period with E swell.

The current surf forecast for Waimanu Bay at 7AM is: 2.0m 9s primary swell from a East-northeast direction and 0.2m 8s secondary swell from a North-northwest direction (forecast issued at 01:00am August 14). An open ocean swell of 0.2m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (14 Aug)7ft (2.1m)10s
Afternoon (14 Aug)8ft (2.5m)11s
Evening (14 Aug)10ft (3.0m)11s

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


Short Range Forecast

Heavy rain (total 110mm), heaviest during Sat night. Warm (max 29°C on Sun afternoon, min 25°C on Fri night). Winds decreasing (severe gales from the E on Sat night, light winds from the E by Sun night).

Friday
14
Saturday
15
Sunday
16
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
4
2
1
2
1
1
1
1
1
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)
1.8
ENE
8
1.8
ENE
9
2.1
ENE
9
2.3
ENE
10
2.4
E
11
2.5
E
11
3
E
11
3
E
12
3
E
11
3
E
11
3.5
E
11
4
E
11
4
E
11
4
E
10
5
E
10
5.5
E
10
4
E
9
3
E
9
3
E
9
2.5
E
8
2.5
E
8
2.2
E
8
2
E
8
2.1
E
8
Wave Graph
Metric surfscale
Energy kJ
470
493
675
1100
1304
1704
2236
2725
2620
2496
2944
3682
3991
3448
4725
6002
3100
1561
1137
914
805
612
501
523
Wind (km/h)
20
E
20
E
25
ENE
30
ENE
35
ENE
35
ENE
30
ENE
35
ENE
30
ENE
40
ENE
45
ENE
45
E
60
E
65
ENE
80
E
30
ESE
35
ESE
35
ESE
20
ESE
20
E
20
E
20
ESE
20
ESE
20
E
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
3:46AM0.64m
4:14PM0.89m
4:32AM0.66m
4:38PM0.81m
5:20AM0.67m
4:59PM0.72m
Low Tide
9:36AM0.13m
10:43PM0.19m
10:18AM0.22m
11:09PM0.18m
11:01AM0.32m
clear
part cloud
clear
clear
rain showers
rain showers
rain showers
rain showers
rain showers
thunderstorm
mod rain
rain showers
thunderstorm
heavy rain
heavy rain
mod rain
mod rain
rain showers
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:51
6:50
 mm
1
2
2
3
3
5
6
3
5
24
31
9
6
1
1
2
3
1
Temp °C
25
25
26
27
27
26
26
26
26
25
26
26
26
26
25
26
26
27
27
28
29
28
27
26
Feels °C
25
25
26
25
25
25
26
25
26
23
23
22
21
19
15
26
25
26
28
30
31
30
29
28
  • 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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