Hapuna surf break

Hapuna surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Monday 18 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Hapuna surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hapuna sea temperature is
26.1° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Hapuna today?

The current surf forecast for Hapuna at 4AM is: 0.3m 14s primary swell from a Southwest direction (forecast issued at 01:00am May 18). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (18 May)1.5ft (0.4m)13s
Afternoon (18 May)1ft (0.3m)19s
Evening (18 May)1ft (0.3m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Mon morning. Warm (max 27°C on Mon morning, min 24°C on Mon night). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
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)
0.2
SSW
14
0.3
SW
14
0.4
SW
13
0.2
SSW
19
0.3
SW
19
0.2
SSW
13
0.3
SW
14
0.2
SSW
14
0.6
NNE
5
0.4
NE
7
0.2
SSW
18
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.1
SW
14
0.3
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
Wave Graph
Metric surfscale
Energy kJ
19
29
45
37
59
17
32
20
0
0
30
19
20
20
7
0
21
21
20
20
20
18
17
17
Wind (km/h)
5
NE
10
NE
5
ENE
10
NNE
5
N
10
NNE
10
NE
5
NE
10
ENE
10
ENE
10
NE
10
N
5
NNW
5
NNW
10
NE
10
NE
10
NE
10
ENE
10
NE
15
NNE
15
NNE
15
NE
20
NE
15
NE
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
glassy
cross
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:56AM0.21m
5:53PM0.86m
5:55AM0.19m
6:45PM0.82m
7:04AM0.19m
7:40PM0.76m
Low Tide
00:26AM0.02m
10:16AM-0.08m
1:26AM0.02m
11:03AM-0.04m
2:26AM0.03m
11:55AM0.01m
light rain
cloud
light rain
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:45
5:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:53
1
1
1
1
1
1
1
Temp °C
25
25
25
27
27
27
25
25
24
24
25
27
27
27
26
25
24
24
25
27
27
26
24
25
28
28
28
30
30
30
28
28
27
26
27
29
30
30
28
27
26
26
26
27
28
27
23
26
Swell 1
Height (m)
Direction
Period (s)
0.8
NE
7
0.8
NE
7
0.8
NE
6
0.8
NE
6
0.9
NE
6
1
NE
6
0.9
NE
6
0.5
NNE
5
0.6
NNE
5
0.4
NE
5
0.6
NNE
5
0.6
NE
5
0.8
NE
6
0.7
NE
6
0.9
NE
6
0.7
NE
6
0.6
NNE
5
0.7
NE
8
0.6
NNE
5
1
NE
7
1.1
NE
8
1.1
NE
8
0.2
SSW
13
0.5
NE
9
Energy kJ
73
55
60
54
66
75
52
17
17
9
19
23
39
32
60
32
17
67
18
105
145
145
17
36
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
14
0.3
SW
14
0.4
SW
13
0.2
SSW
19
0.3
SW
19
0.2
SSW
13
0.3
SW
14
0.4
ENE
7
0.4
NE
7
0.4
NNE
6
0.3
NE
7
0.4
NE
7
0.2
ENE
8
0.4
NE
7
0.3
SSW
15
0.4
NE
8
0.4
NE
8
0.2
SSW
14
0.4
NE
8
0.2
SSW
14
0.2
SSW
14
0.2
SSW
13
0.2
NNW
11
0.2
SSW
13
Energy kJ
19
29
45
37
59
17
32
21
14
12
8
13
6
13
44
16
23
21
23
20
20
18
13
17
Swell 3
Height (m)
Direction
Period (s)
0.1
S
14
0.1
S
14
0.1
SW
20
0.2
SSW
13
0.2
SSW
13
0.1
SW
19
0.2
ENE
8
0.2
SSW
14
0.3
NNE
6
0.4
NE
7
0.2
SSW
18
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.1
SW
14
0.3
SSW
14
0.2
SSW
14
0.1
SW
16
0.2
SSW
14
0.2
NNW
12
0.2
NNW
12
0.2
NNW
12
0.1
S
17
0.2
N
11
Energy kJ
4
4
15
17
17
15
6
20
7
14
30
19
20
20
7
41
21
10
20
14
14
14
6
9
Wind waves
Height (m)
Direction
Period (s)
1.1
NE
8
0.9
NE
6
Energy kJ
156
46
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
2
Distance (km)
3
41
44
41
41
93
93
49
60
84
84
41
49
93
104
41
49
44
45
45
41
96
104
41
Best forecast wave conditions in Big Island
Rating
(10 max)
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
5
4
4
3
4
4
4
4
3
4
4
3
4
3
4
4
4
4
3
2
1
1
4
Header Global
Rating
(10 max)
6
5
4
4
5
5
4
4
4
4
4
4
4
4
4
5
5
4
5
5
5
5
5
4
  • 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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