Mahai'ula Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Monday 01 Jun 2026 HST
Forecast update in hr  min  s Forecast update imminent
Mahai'ula Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahai'ula Bay sea temperature is
26.0° C
(Which is slightly warmer than usual)
Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Mon night. Warm (max 27°C on Mon afternoon, min 24°C on Wed night). Wind will be generally light.

Monday
1
Tuesday
2
Wednesday
3
Thu
4
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
2 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
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)
0.8
S
19
0.9
SSW
18
1
S
18
1
S
18
1
S
18
1
S
17
0.8
S
21
1.1
S
20
1.1
S
19
1.1
S
19
1.3
S
16
1.3
SSW
16
1.1
S
18
1.2
SSW
18
0.4
N
12
1.1
S
18
0.2
NNW
11
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.5
N
10
0.2
NNW
9
0.2
NNW
9
0.2
WNW
9
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
0
0
0
0
0
43
0
11
11
10
10
47
8
8
8
Wind (km/h)
5
NNE
5
N
5
W
5
WSW
10
SSW
5
SSW
5
SW
5
WNW
5
NNE
0
SSE
10
WSW
10
WSW
10
WSW
5
WSW
5
SW
10
S
5
SSE
0
W
10
SW
10
SW
10
SSW
10
SSE
5
W
5
NW
glassy
glassy
cross-on
cross-on
cross
cross
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
glassy
glassy
cross-on
cross
cross
cross-off
glassy
glassy
High Tide
4:03AM0.32m
4:58PM0.81m
4:39AM0.31m
5:35PM0.79m
5:19AM0.30m
6:12PM0.77m
Low Tide
9:28AM0.06m
00:17AM0.17m
10:01AM0.07m
00:59AM0.18m
10:35AM0.10m
1:43AM0.18m
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
rain showers
rain showers
rain showers
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
6:59
7:00
7:00
1
1
1
1
1
Temp °C
24
26
26
27
27
26
25
25
25
26
27
27
27
26
25
25
25
26
26
27
26
26
25
24
27
29
29
30
29
29
28
29
29
30
29
29
30
29
28
27
29
30
28
29
28
29
29
27
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
14
0.9
SSW
18
1
S
18
1
S
18
1
S
18
1
S
17
1
S
16
1.1
S
20
1.1
SSW
16
1.3
SSW
16
1.3
S
16
1.3
SSW
16
1.1
SSW
15
1.2
SSW
18
1.4
S
15
1.2
SSW
15
1.6
SSW
17
1.5
S
16
1.5
S
16
1.5
S
16
1.4
SSW
16
1.4
SSW
16
1.3
SSW
16
1.3
SSW
15
Energy kJ
273
534
639
632
625
589
542
942
644
893
858
893
581
940
882
666
1382
1204
1175
1160
1016
1003
849
828
Swell 2
Height (m)
Direction
Period (s)
0.8
S
19
0.7
SSW
14
0.7
SSW
14
0.7
NNE
5
0.8
NNE
5
0.7
S
21
0.8
S
21
0.8
SSW
14
1.1
S
19
1.1
S
19
1
S
19
0.9
SSW
19
1.1
S
18
1.1
S
15
1.1
S
18
1.1
S
18
0.6
NE
6
0.6
NNE
6
0.6
NE
6
0.7
NNE
6
0.2
NNW
10
1
NNE
6
0.9
NNE
6
0.8
NNE
6
Energy kJ
450
207
192
19
31
445
562
247
922
922
767
627
794
522
777
768
28
21
25
28
9
65
49
36
Swell 3
Height (m)
Direction
Period (s)
0.4
NNE
8
0.3
NE
8
0.5
NNE
5
0.6
S
13
0.6
S
13
0.7
NNE
5
0.6
NNE
5
0.7
SSW
16
0.5
NE
9
0.4
SE
9
0.5
NNE
6
0.6
NNE
6
0.6
NNE
6
0.4
N
12
0.6
NNE
6
0.2
NNW
11
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.5
N
10
0.2
NNW
9
0.2
NNW
9
0.2
WNW
9
Energy kJ
23
9
12
125
123
24
21
266
38
21
18
22
21
43
22
11
11
10
10
47
8
8
8
Wind waves
Height (m)
Direction
Period (s)
0.4
NNE
4
0.8
NNE
6
Energy kJ
8
40
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
3
3
4
3
3
2
3
4
3
1
3
3
1
4
4
1
1
4
1
3
3
Distance (km)
11
11
99
100
100
24
100
100
11
11
99
100
32
100
100
20
11
18
32
32
24
1
100
100
Best forecast wave conditions in Big Island
Rating
(10 max)
3
3
1
1
1
4
2
2
4
4
1
1
1
2
1
4
4
4
1
1
4
3
1
Best forecast wave conditions in United States
Rating
(10 max)
4
3
4
3
4
4
4
3
4
4
4
3
3
4
4
4
4
4
3
3
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
5
6
4
4
6
4
5
5
5
5
5
4
5
5
5
5
5
5
4
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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