Hakalau surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Tuesday 19 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Hakalau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hakalau sea temperature is
25.8° C
(Which is slightly warmer than usual)

How big are the waves at Hakalau today?

The current surf forecast for Hakalau at 1PM is: 1.7m 8s primary swell from a East direction (forecast issued at 07:00am May 19). An open ocean swell of 0.3m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (19 May)5.5ft (1.7m)8s
Afternoon (19 May)6ft (1.8m)8s
Evening (19 May)6ft (1.9m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 28mm), heaviest during Tue night. Warm (max 25°C on Tue morning, min 22°C on Thu night). Wind will be generally light.

Tuesday
19
Wednesday
20
Thursday
21
Fri
22
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
1
1
1
2
1
0
0
0
0
0
0
0
0
0
0
1
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)
1.6
E
8
1.6
E
8
1.7
E
8
1.7
E
8
1.9
E
8
1.9
E
8
1.5
ESE
9
1.5
ESE
8
2.1
E
8
1.9
ENE
8
1.8
ENE
9
2.4
ENE
9
2.3
ENE
9
2.3
ENE
9
2.2
E
9
2.1
E
9
2.3
ENE
9
2.3
ENE
9
2.3
ENE
9
2.3
ENE
9
2.2
ENE
9
2.2
ENE
9
2.3
ENE
9
2.3
ENE
9
Wave Graph
Metric surfscale
Energy kJ
346
339
382
382
477
505
307
293
616
504
489
841
791
773
759
678
738
772
772
790
724
727
813
813
Wind (km/h)
15
ESE
15
ESE
20
ESE
20
E
20
E
15
E
15
ESE
15
ESE
15
ESE
20
ESE
20
E
20
E
20
ENE
20
E
20
E
20
ENE
15
E
15
E
20
E
20
ENE
15
ENE
20
ENE
15
ENE
15
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
3:52AM0.50m
5:46PM1.04m
4:45AM0.46m
6:41PM0.98m
6:01AM0.43m
7:39PM0.92m
Low Tide
10:04AM0.02m
00:59AM0.36m
10:51AM0.10m
2:13AM0.35m
11:45AM0.19m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
rain showers
part cloud
clear
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:51
6:51
6:52
1
1
1
1
1
1
1
2
3
3
2
1
1
1
1
1
1
1
1
1
1
1
Temp °C
24
24
25
25
24
24
24
24
24
24
24
24
23
24
23
23
23
23
23
24
23
23
23
22
25
25
26
25
25
26
26
26
25
25
24
24
23
24
23
23
23
23
23
24
23
23
23
22
Swell 1
Height (m)
Direction
Period (s)
1.6
E
8
1.6
E
8
1.7
E
8
1.7
E
8
1.9
E
8
1.9
E
8
1.5
ESE
9
1.5
ESE
8
1.4
ENE
8
1.6
NE
8
1.4
ESE
9
2.4
ENE
9
2.3
ENE
9
2.3
ENE
9
2.2
E
9
0.4
NNW
11
2.3
ENE
9
2.3
ENE
9
2.3
ENE
9
2.3
ENE
9
2.2
ENE
9
0.4
SE
13
2.3
ENE
9
2.3
ENE
9
Energy kJ
346
339
382
382
477
505
307
293
261
338
288
841
791
773
759
46
738
772
772
790
724
41
813
813
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
12
0.4
NW
12
0.4
NW
12
0.3
NW
11
0.4
NW
11
0.4
NNW
12
1.2
NE
8
1.2
NE
9
1.3
ESE
8
1.5
ESE
9
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
11
0.4
NNW
11
0.3
SSE
13
0.4
NNW
11
0.4
NW
11
0.3
NNW
11
0.3
NNW
10
0.3
SSE
13
0.2
NNW
10
0.3
SSE
12
0.3
SSE
12
Energy kJ
23
37
34
19
32
54
206
221
239
328
54
56
55
47
46
35
45
29
22
20
33
10
30
29
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
9
0.1
NW
8
0.1
SE
15
0.2
NNW
13
0.1
SE
15
0.1
SE
15
0.4
NNW
12
0.4
NNW
13
0.4
NNW
11
0.4
NNW
11
0.2
SSE
14
0.2
SSE
14
0.2
SSE
14
0.2
SSE
14
0.3
SSE
14
0.1
S
17
0.3
SSE
13
0.3
SSE
13
0.3
SSE
13
0.3
SSE
13
0.3
NNW
10
0.1
S
15
0.2
NNW
10
0.2
NNW
10
Energy kJ
3
3
9
18
9
9
55
65
47
47
19
19
19
19
37
6
34
34
33
33
19
4
9
9
Wind waves
Height (m)
Direction
Period (s)
2.1
E
8
1.9
ENE
8
1.8
ENE
9
2.1
E
9
2.2
ENE
9
Energy kJ
616
504
489
678
727
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
2
2
2
2
2
1
1
1
1
3
2
1
3
2
1
1
2
2
1
Distance (km)
18
95
158
193
158
95
16
16
20
20
158
96
96
95
20
95
95
20
98
160
98
95
95
95
Best forecast wave conditions in Big Island
Rating
(10 max)
2
2
2
2
2
2
2
1
2
1
3
2
1
3
2
1
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
2
2
1
4
4
3
5
3
2
1
1
4
3
4
4
3
3
3
1
4
3
4
3
Header Global
Rating
(10 max)
4
4
4
5
5
5
4
4
4
5
5
4
4
5
5
4
4
4
4
5
5
5
7
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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