Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 26 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waimanu Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanu Bay sea temperature is
25.7° C
(Which is slightly warmer than usual)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 8AM is: 1.8m 7s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a Northwest direction, 0.1m 13s secondary swell from a North direction (forecast issued at 01:00am May 26). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (26 May)5.5ft (1.7m)7s
Afternoon (26 May)6ft (1.8m)7s
Evening (26 May)6ft (1.8m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Tue morning, min 22°C on Tue night). Mainly fresh winds.

Tuesday
26
Wednesday
27
Thursday
28
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.7
ENE
7
1.7
ENE
7
1.8
ENE
7
1.7
ENE
7
1.7
ENE
7
1.9
ENE
7
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.4
ENE
7
1.4
ENE
7
1.1
E
7
1.5
ENE
7
1.5
ENE
7
1.5
ENE
7
1.4
ENE
7
1.3
ENE
7
1.1
E
7
Wave Graph
Metric surfscale
Energy kJ
310
329
344
314
319
379
353
319
302
296
263
256
288
240
240
220
220
130
231
225
218
192
172
127
Wind (km/h)
25
E
25
E
25
E
30
ENE
30
E
35
ENE
30
E
25
E
25
E
20
E
25
E
20
E
20
ENE
20
ENE
25
E
20
E
20
E
20
E
20
E
20
E
20
ENE
20
E
20
E
20
E
cross
cross
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
cross
cross
cross-on
cross-on
cross-on
cross
cross
High Tide
1:02PM0.75m
11:38PM0.57m
1:36PM0.83m
00:18AM0.54m
2:07PM0.89m
Low Tide
5:47AM0.16m
7:02PM0.43m
6:14AM0.13m
7:59PM0.40m
6:43AM0.10m
8:45PM0.37m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:55
6:57
Temp °C
23
22
24
25
25
24
23
23
22
22
23
25
25
24
23
23
22
22
23
25
25
24
23
23
21
19
21
21
22
21
20
21
20
20
20
24
24
22
21
21
20
21
22
24
24
22
22
21
Swell 1
Height (m)
Direction
Period (s)
0.4
NW
11
0.4
NW
10
0.3
NW
10
0.3
NW
10
0.2
NNW
10
0.2
NNW
10
0.3
NW
19
0.4
NW
18
0.4
NW
18
0.4
NW
16
0.4
NW
16
0.5
NW
15
0.6
NW
15
0.6
NW
15
0.6
NW
14
0.6
NW
14
0.6
NW
14
0.9
NE
7
0.4
NW
13
0.6
NW
13
0.5
NW
13
0.5
NW
12
0.6
N
12
0.6
NNE
8
Energy kJ
29
28
17
16
10
10
58
114
111
94
93
112
137
134
121
119
119
75
61
109
84
77
101
44
Swell 2
Height (m)
Direction
Period (s)
0.1
N
13
0.1
N
13
0.1
NW
21
0.1
NW
20
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.2
NNW
9
0.2
NNW
9
0.2
N
13
0.3
N
12
0.4
N
12
0.4
NW
13
0.4
NNE
12
0.4
NNE
13
0.4
N
12
0.4
N
11
0.5
NW
12
0.5
NW
12
Energy kJ
4
4
17
15
9
9
9
9
9
9
8
8
13
28
48
62
52
55
42
41
73
73
Swell 3
Height (m)
Direction
Period (s)
0.1
N
13
0.1
N
12
0.1
N
12
0.1
N
12
0.1
N
12
0.1
N
16
0.1
N
15
0.1
N
14
0.1
N
13
0.2
N
13
0.1
NW
9
0.1
NW
9
0.1
NW
9
0.4
N
12
0.2
NNW
16
0.5
N
13
0.3
NNE
13
0.3
NNE
14
0.6
N
12
0.5
N
12
Energy kJ
3
3
3
3
3
5
4
4
4
14
3
3
3
48
24
84
35
36
99
71
Wind waves
Height (m)
Direction
Period (s)
1.7
ENE
7
1.7
ENE
7
1.8
ENE
7
1.7
ENE
7
1.7
ENE
7
1.9
ENE
7
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.4
ENE
7
1.4
ENE
7
1.1
E
7
1.5
ENE
7
1.5
ENE
7
1.5
ENE
7
1.4
ENE
7
1.3
ENE
7
1.1
E
7
Energy kJ
310
329
344
314
319
379
353
319
302
296
263
256
288
240
240
220
220
130
231
225
218
192
172
127
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
3
3
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
2
2
Distance (km)
58
58
58
77
77
58
58
58
58
32
58
58
77
98
58
29
29
29
58
77
77
77
70
70
Best forecast wave conditions in Big Island
Rating
(10 max)
1
1
1
3
3
1
2
2
2
2
2
1
2
2
2
2
2
2
2
1
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
7
3
3
2
4
4
4
3
2
3
4
4
4
3
4
4
2
4
4
4
4
Header Global
Rating
(10 max)
9
9
5
6
7
7
7
9
9
6
7
6
6
9
9
7
9
8
7
6
6
5
5
5
  • 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

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