Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm Friday 22 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
25.9° C
(Which is slightly warmer than usual)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 4PM is: 2.1m 8s primary swell from a East-northeast direction and 0.2m 10s secondary swell from a North-northwest direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 01:00pm May 22). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (22 May)7ft (2.1m)9s
Afternoon (22 May)7ft (2.1m)9s
Evening (22 May)7ft (2.1m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Fri night. Warm (max 25°C on Sun morning, min 22°C on Fri night). Mainly fresh winds.

Fri
22
Saturday
23
Sunday
24
Mon
25
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
2 AM
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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
ENE
9
2
ENE
9
2.1
ENE
8
2.1
ENE
8
2.2
ENE
8
2.2
ENE
8
2.1
ENE
8
2.1
ENE
8
2.1
ENE
8
2.2
NE
8
2.1
NE
8
2.1
NE
8
2.1
NE
8
2
NE
8
1.9
NE
8
1.9
NE
8
2
ENE
8
2
ENE
8
1.9
NE
8
1.9
NE
8
1.9
ENE
8
1.9
ENE
8
1.8
NE
8
1.8
NE
8
Wave Graph
Metric surfscale
Energy kJ
656
587
601
638
667
667
616
616
630
663
613
613
613
567
523
534
581
567
522
522
481
469
418
408
Wind (km/h)
30
ENE
30
ENE
35
ENE
30
ENE
30
E
25
E
30
E
35
E
30
ENE
30
ENE
30
ENE
30
ENE
25
E
25
E
20
E
25
E
25
ENE
30
ENE
30
ENE
30
E
30
E
20
E
25
E
25
E
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
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
High Tide
8:25PM0.81m
9:55AM0.45m
9:17PM0.74m
11:27AM0.55m
10:08PM0.68m
Low Tide
12:39PM0.28m
4:06AM0.27m
2:11PM0.37m
4:45AM0.23m
4:07PM0.43m
5:18AM0.19m
clear
clear
part cloud
rain showers
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
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
6:53
6:54
6:54
1
1
Temp °C
24
24
24
23
23
22
23
23
24
24
23
22
23
22
22
24
25
24
24
23
23
23
22
23
21
20
21
20
20
19
20
18
20
21
19
19
21
20
20
21
23
21
21
20
20
22
20
20
Swell 1
Height (m)
Direction
Period (s)
0.1
NW
11
0.2
NNW
10
0.2
NNW
10
0.3
NNW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
NNW
16
0.4
NNW
16
0.4
NNW
15
2
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
0.5
NW
12
0.5
NW
11
Energy kJ
5
10
11
23
30
30
30
30
29
29
102
99
86
567
523
120
116
113
103
98
71
69
67
63
Swell 2
Height (m)
Direction
Period (s)
0.1
NW
9
0.3
NNW
10
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
N
21
0.1
N
20
0.2
NNW
19
0.2
NNW
18
0.3
NNW
17
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.6
NNW
15
0.6
NNW
14
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.1
S
11
0.1
S
11
0.6
NNW
12
0.1
S
14
Energy kJ
3
20
6
6
5
8
7
35
31
59
28
27
27
142
134
9
9
9
2
2
93
4
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
NW
20
0.1
SE
12
0.1
SE
12
0.4
NW
17
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.3
NW
10
0.2
NNW
10
0.4
NW
10
0.3
NW
10
0.1
S
11
0.1
S
15
0.1
S
15
Energy kJ
6
6
5
15
5
5
77
28
27
27
16
10
25
15
2
5
4
Wind waves
Height (m)
Direction
Period (s)
2.1
ENE
9
2
ENE
9
2.1
ENE
8
2.1
ENE
8
2.2
ENE
8
2.2
ENE
8
2.1
ENE
8
2.1
ENE
8
2.1
ENE
8
2.2
NE
8
2.1
NE
8
2.1
NE
8
2.1
NE
8
1.9
NE
8
2
ENE
8
2
ENE
8
1.9
NE
8
1.9
NE
8
1.9
ENE
8
1.9
ENE
8
1.8
NE
8
1.8
NE
8
Energy kJ
656
587
601
638
667
667
616
616
630
663
613
613
613
534
581
567
522
522
481
469
418
408
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
Distance (km)
134
134
68
58
58
58
66
58
58
107
66
58
58
58
58
58
77
101
58
66
58
58
58
58
Best forecast wave conditions in Big Island
Rating
(10 max)
2
2
2
2
2
2
1
2
2
2
2
1
1
3
2
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
3
2
2
2
3
2
2
3
1
2
2
2
3
2
2
3
2
2
2
3
3
2
2
Header Global
Rating
(10 max)
8
5
5
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
5
5
5
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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