Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Saturday 23 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
25.8° C
(Which is slightly warmer than usual)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 1AM is: 1.9m 8s primary swell from a Northeast direction and 0.6m 15s secondary swell from a North-northwest direction (forecast issued at 07:00pm May 23). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (24 May)6ft (1.9m)8s
Afternoon (24 May)6ft (1.9m)9s
Evening (24 May)6ft (1.9m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Tue morning. Warm (max 25°C on Mon afternoon, min 22°C on Sat night). Mainly fresh winds.

Sat
23
Sunday
24
Monday
25
Tue
26
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
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
0
1
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
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.1
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
9
1.8
NE
8
1.8
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.7
NE
8
1.7
NE
8
1.7
NE
8
1.7
ENE
8
1.5
NE
8
1.6
NE
8
1.7
ENE
8
1.5
NE
8
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
Wave Graph
Metric surfscale
Energy kJ
613
534
534
490
490
490
490
502
482
439
479
497
456
381
381
371
339
257
291
314
244
329
329
329
Wind (km/h)
30
E
25
E
25
E
25
E
20
E
25
E
25
ENE
25
ENE
25
ENE
30
E
25
E
25
E
20
E
25
E
25
E
30
ENE
25
E
25
E
25
E
25
E
25
E
30
E
30
E
30
ENE
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
High Tide
9:17PM0.74m
11:27AM0.55m
10:08PM0.68m
12:22PM0.66m
10:55PM0.62m
1:02PM0.75m
Low Tide
4:45AM0.23m
4:07PM0.43m
5:18AM0.19m
5:47PM0.45m
5:47AM0.16m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:54
6:54
6:55
1
Temp °C
23
22
22
22
22
23
24
24
24
23
23
22
22
23
24
25
24
23
23
23
22
24
25
25
20
19
19
20
20
20
21
22
22
20
21
20
21
21
21
21
21
21
20
20
20
22
23
22
Swell 1
Height (m)
Direction
Period (s)
0.4
NNW
16
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
0.6
NNW
13
0.6
NNW
13
0.6
NNW
13
0.6
NNW
12
0.6
NNW
12
0.5
NW
12
0.5
NW
12
1.9
NE
8
1.7
NE
8
0.4
NNW
11
0.4
NW
11
0.4
NW
11
1.5
NE
8
1.6
NE
8
1.7
ENE
8
1.5
NE
8
0.3
NW
10
0.3
NW
10
0.2
NNW
10
Energy kJ
102
534
534
490
490
120
116
113
103
98
71
69
456
381
48
31
30
257
291
314
244
17
16
10
Swell 2
Height (m)
Direction
Period (s)
0.4
NW
10
0.4
NNW
16
0.4
NNW
15
0.6
NNW
15
0.6
NNW
14
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.7
NW
12
0.6
NW
12
0.6
NNW
12
0.5
NW
12
0.5
NW
11
0.5
NW
11
0.5
NW
11
0.5
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
10
0.1
N
13
0.1
N
13
0.1
NW
21
Energy kJ
28
99
86
142
134
9
9
9
159
120
94
67
63
60
59
59
30
30
29
28
4
4
17
Swell 3
Height (m)
Direction
Period (s)
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.3
NW
10
0.4
NW
10
0.3
NW
10
0.3
NW
10
0.1
S
11
0.1
S
15
0.1
S
14
0.1
N
13
Energy kJ
28
27
27
26
16
25
15
15
2
4
4
3
Wind waves
Height (m)
Direction
Period (s)
2.1
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
9
1.8
NE
8
1.8
NE
8
1.9
NE
8
1.9
NE
8
1.7
NE
8
1.7
NE
8
1.7
ENE
8
0.7
E
4
0.7
ESE
4
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
Energy kJ
613
490
490
502
482
439
479
497
381
371
339
16
13
329
329
329
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
Distance (km)
58
58
58
58
58
58
58
58
66
58
58
58
58
58
58
58
58
58
58
58
58
58
77
101
Best forecast wave conditions in Big Island
Rating
(10 max)
2
2
1
1
2
1
1
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
2
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
2
2
1
1
2
2
2
1
3
2
2
2
1
2
2
2
3
3
1
3
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
4
4
5
4
4
4
4
4
4
6
9
9
9
9
8
8
  • 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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