Waimanu Bay Surf Break

Lat Long: 20.15° N 155.64° W

Waimanu Bay 48 hour detailed Surf Forecast

Issued: 1 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Waimanu Bay sea temperature is
27.0° C
0.6° 

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 (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 4ft (1.2m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 4.5ft (1.4m), 7s period with ENE swell.
  • Evening surf: Evening surf (12 Aug, local time) - 4.5ft (1.4m), 7s period with ENE swell.

The current surf forecast for Waimanu Bay at 6PM is: 1.4m 7s primary swell from a East-northeast direction (forecast issued at 01:00pm August 12). An open ocean swell of 0.2m 10s is not directed at the surf break, a second open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (12 Aug)4ft (1.2m)7s
Afternoon (12 Aug)4.5ft (1.4m)7s
Evening (12 Aug)4.5ft (1.4m)7s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Fri night. Warm (max 27°C on Wed afternoon, min 25°C on Thu night). Winds increasing (light winds from the E on Wed night, strong winds from the ENE by Fri night).

Wed
12
Thursday
13
Friday
14
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.5
ENE
7
1.4
ENE
8
1.4
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.7
ENE
8
1.8
ENE
8
1.9
ENE
9
2
E
11
2.1
E
11
1.7
E
11
2.4
E
10
2.5
E
11
3
E
11
Wave Graph
Metric surfscale
Energy kJ
191
199
199
193
188
193
222
226
238
287
306
350
402
459
547
917
1007
646
1280
1672
2095
Wind (km/h)
20
ENE
20
ENE
20
ENE
25
ENE
20
E
20
E
20
E
20
ENE
25
ENE
30
ENE
30
ENE
25
E
25
E
25
E
25
E
30
E
30
ENE
30
ENE
30
ENE
35
ENE
30
E
Wind State
cross-on
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
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:15PM1.01m
3:00AM0.61m
3:46PM0.96m
3:46AM0.64m
4:14PM0.89m
Low Tide
8:11AM0.01m
9:48PM0.23m
8:54AM0.06m
10:15PM0.20m
9:36AM0.13m
10:43PM0.19m
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
 mm
2
2
2
Temp °C
27
27
27
26
26
26
26
26
27
27
27
26
26
25
25
26
27
27
26
26
26
Feels °C
26
28
27
26
26
27
27
26
26
26
26
25
25
24
23
24
26
26
26
25
25
  • 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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