Waipio Valley Surf Break

Lat Long: 20.12° N 155.59° W

Waipio Valley 48 hour detailed Surf Forecast

Issued: 7 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Waipio Valley sea temperature is
26.9° C
0.4° 

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


How big are the waves at Waipio Valley today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.3m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.4m), 8s period with ENE swell.
  • Evening surf: Evening surf (18 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.

The current surf forecast for Waipio Valley at 3PM is: 1.4m 8s primary swell from a East-northeast direction and 0.2m 11s secondary swell from a West direction, 0.2m 13s secondary swell from a West direction (forecast issued at 07:00am August 18). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Aug)4.5ft (1.3m)8s
Afternoon (18 Aug)4.5ft (1.4m)8s
Evening (18 Aug)4ft (1.2m)8s

Table - waves today at Waipio Valley. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Thu afternoon. Warm (max 27°C on Tue morning, min 25°C on Tue night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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
1
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)
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.4
ENE
8
1.4
ENE
8
1.2
ENE
8
1.2
ENE
8
1.2
ENE
8
1.2
ENE
8
1.2
ENE
8
1.3
ENE
8
1.4
ENE
8
1.3
ENE
8
1.2
ENE
8
1.3
ENE
8
1.2
ENE
8
1
E
8
1.1
ENE
7
1.2
ENE
7
0.8
E
7
0.9
NE
7
0.9
NE
7
0.9
E
7
Wave Graph
Metric surfscale
Energy kJ
186
186
191
226
232
202
197
197
197
197
229
232
196
178
191
161
111
131
142
66
69
67
81
Wind (km/h)
10
E
10
E
15
ENE
15
ENE
15
ENE
15
ENE
15
E
15
ENE
15
ENE
15
E
15
ENE
10
ENE
15
ENE
15
ENE
15
ENE
10
E
5
E
5
ENE
10
NNE
5
NNE
5
ENE
10
E
5
E
Wind State
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
cross-on
cross-on
cross-on
on
on
glassy
cross
cross
High Tide
7:19AM0.66m
5:20PM0.57m
8:53AM0.66m
10:43AM0.69m
Low Tide
1:00PM0.49m
00:42AM0.22m
1:35AM0.23m
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
thunderstorm
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:49
6:47
6:46
 mm
1
Temp °C
25
26
27
27
26
26
25
25
25
26
27
27
26
26
26
25
25
26
27
27
27
27
26
Feels °C
27
28
28
29
28
28
27
27
27
29
30
31
29
29
29
29
28
30
31
32
32
32
31
  • 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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