20 April 2026: Tsunami Alert Issued for NE Japan

A magnitude-7.4 earthquake off the coast of Sanriku has triggered a tsunami warning. latest updates

Hilo Breakwall surf break

Hilo Breakwall surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Sunday 19 Apr 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
25.3° C
(Which is slightly warmer than usual)

How big are the waves at Hilo Breakwall today?

The current surf forecast for Hilo Breakwall at 2AM is: 0.8m 7s primary swell from a East-northeast direction (forecast issued at 07:00pm April 19). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (20 Apr)3.5ft (1.0m)7s
Afternoon (20 Apr)3.5ft (1.0m)7s
Evening (20 Apr)3ft (0.9m)7s

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


Updates in  hr  min  s Forecast update imminent
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
3
3
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.8
ENE
0.8
ENE
0.8
ENE
0.8
ENE
1
E
1
E
1
E
1
E
1
E
0.9
E
0.9
E
0.9
E
0.6
NNE
0.5
N
0.6
N
0.9
NNE
0.9
NNE
0.8
NNE
0.9
NNE
1.1
NNE
1.4
NNE
1.5
NNE
1.5
NNE
1.5
NNE
Period(s) (?)6777777777888898816161514141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5362656210610610610610686909344355983107291387498789837767744
Wind
(km/h)
15
E
15
ESE
10
E
5
ESE
5
SE
5
SE
15
E
15
ESE
10
ESE
10
ESE
10
SE
10
SSE
10
S
10
SE
15
ESE
15
ESE
10
E
5
ESE
5
ESE
5
ESE
5
SSE
5
SE
10
E
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross
High Tide
/ height (m)
5:15PM
0.86
4:15AM
0.37
6:12PM
0.82
4:56AM
0.30
7:19PM
0.77
5:58AM
0.25
Low Tide
/ height (m)
11:56PM
0.19
10:35AM
-0.15
1:16AM
0.22
11:21AM
-0.09
3:02AM
0.22
12:21PM
-0.02
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Sunrise-----5:58-------5:58-------5:56--
Sunset6:38-------6:38-------6:39-------
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
rain showers
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
11------11-----111------
Temp. °C242423232323242524242423232424242424242323242424
Feels °C (?)262625262625252626272625252725262727272626272525
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Hilo Breakwall surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest