Hilo Breakwall surf break

Hilo Breakwall 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
Hilo Breakwall surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hilo Breakwall sea temperature is
25.9° C
(Which is slightly warmer than usual)

How big are the waves at Hilo Breakwall today?

The current surf forecast for Hilo Breakwall at 5AM is: 1.8m 8s primary swell from a East direction and 0.2m 10s secondary swell from a North-northwest direction (forecast issued at 01:00am May 18). The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (18 May)5.5ft (1.7m)8s
Afternoon (18 May)5ft (1.6m)8s
Evening (18 May)5ft (1.6m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 43mm), heaviest during Mon morning. Warm (max 25°C on Mon afternoon, min 23°C on Tue 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)
2
2
1
1
1
1
1
2
2
2
2
1
1
1
0
0
1
1
2
1
0
0
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.8
E
8
1.8
E
8
1.7
E
8
1.7
E
8
1.6
E
8
1.6
E
8
1.6
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.6
E
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.7
ENE
8
1.9
ENE
9
2.1
ENE
9
2.1
ENE
9
2
ENE
9
2
ENE
9
Wave Graph
Metric surfscale
Energy kJ
443
443
386
386
343
343
351
309
309
309
302
302
302
302
358
230
219
230
423
618
632
632
589
576
Wind (km/h)
10
SE
5
SE
10
E
10
E
15
E
10
E
5
E
5
ESE
5
ESE
5
SE
10
ESE
15
E
10
ENE
15
ENE
10
ENE
5
ENE
0
NE
5
ENE
10
ENE
15
ENE
15
ENE
15
NE
10
NNE
10
NE
cross-off
glassy
cross
cross
cross
cross
cross
cross-off
cross-off
glassy
cross-off
cross
cross
cross
cross-on
cross-on
glassy
glassy
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:24AM0.36m
5:10PM0.92m
4:13AM0.32m
6:04PM0.87m
5:13AM0.29m
7:00PM0.82m
Low Tide
11:07PM0.16m
9:37AM-0.21m
00:09AM0.16m
10:23AM-0.16m
1:16AM0.17m
11:15AM-0.09m
light rain
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
<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>
6:50
6:50
6:50
3
1
2
3
3
2
2
1
2
1
1
1
2
2
1
1
1
3
3
2
1
1
2
Temp °C
24
24
24
24
25
25
25
24
24
24
25
25
24
24
24
24
24
23
24
24
24
24
23
23
27
27
27
26
27
28
28
27
27
27
28
26
26
25
26
27
28
26
26
25
25
25
25
25
Swell 1
Height (m)
Direction
Period (s)
1.8
E
8
1.8
E
8
1.7
E
8
1.7
E
8
1.6
E
8
1.6
E
8
1.6
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.6
E
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.5
ENE
9
2.1
ENE
8
2.1
ENE
9
2.1
ENE
9
2
ENE
9
2
ENE
9
Energy kJ
443
443
386
386
343
343
351
309
309
309
302
302
302
302
358
230
219
230
338
618
632
632
589
576
Swell 2
Height (m)
Direction
Period (s)
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.2
NNW
9
0.2
NNW
9
0.2
NNW
9
0.1
N
9
0.1
NW
12
0.1
NW
12
0.2
NNW
12
0.2
NNW
13
0.1
NW
11
0.2
NNW
11
0.2
NNW
12
1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
0.3
NNW
12
0.3
NNW
12
0.3
NNW
12
0.3
NNW
12
0.3
NNW
11
Energy kJ
10
10
9
9
8
8
8
2
6
6
14
16
5
12
14
151
151
151
147
27
28
28
26
24
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
16
0.2
NNW
16
0.1
NW
16
0.1
NW
15
0.1
NW
15
0.1
NW
14
0.1
NW
13
0.1
NW
13
0.1
N
9
0.1
N
9
0.1
N
8
0.1
SE
15
0.1
N
14
0.1
SE
15
0.1
SE
15
0.2
NNW
12
0.2
NNW
13
0.2
NNW
11
0.2
NNW
11
0.1
SE
14
0.1
SE
14
0.2
SSE
14
0.2
SSE
14
0.2
SSE
14
Energy kJ
11
26
10
9
9
8
7
7
2
2
1
9
4
9
9
14
17
11
11
8
8
19
19
18
Wind waves
Height (m)
Direction
Period (s)
1.7
ENE
8
1.9
ENE
9
Energy kJ
423
549
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
1
2
1
2
2
2
2
2
2
1
2
2
1
1
3
4
1
1
1
3
Distance (km)
0
0
97
172
84
94
172
0
0
0
0
172
181
172
94
3
0
0
3
3
175
181
94
3
Best forecast wave conditions in Big Island
Rating
(10 max)
2
2
2
1
2
2
2
2
2
2
2
1
2
3
4
2
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
4
4
4
3
3
4
3
3
3
4
4
5
4
3
4
4
1
1
3
4
Header Global
Rating
(10 max)
4
4
5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
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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