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Surf Forecasts:

Avalanche surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Thursday 12 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
Avalanche surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avalanche sea temperature is
24.6° C
 (Which is normal for this time of year)

How big are the waves at Avalanche today?

The current surf forecast for Avalanche at 10PM is: 1.0m 10s primary swell from a West direction (forecast issued at 01:00pm March 12). An open ocean swell of 0.4m 18s is not directed at the surf break, a second open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (12 Mar)4ft (1.2m)10s
Afternoon (12 Mar)3.5ft (1.0m)10s
Evening (12 Mar)3.5ft (1.0m)10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
Sunday
15
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
W
1.1
W
0.9
WNW
1
W
1
W
0.8
WNW
0.8
WNW
0.7
WNW
0.7
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.8
WNW
0.9
WNW
1.3
WNW
2.5
SW
3
SW
3
SW
3
SW
1.8
WNW
1.9
WNW
1.9
W
3
WSW
3
WSW
Period(s) (?)10101010101010101010101010998888910101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2522491701981981311311021007775781051372648229321248134156472572517601758
Wind
(km/h)
20
SSE
25
S
20
SSE
15
SE
20
SSE
30
S
35
S
40
S
45
S
40
S
40
SSW
30
SSW
35
SW
40
SW
35
SW
35
SW
35
SW
35
SW
35
SW
35
SW
35
SW
35
SSW
40
SSW
40
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscrosscrosscrosscross-
on		crosscross-
on		crosscrosscrosscross
High Tide
/ height (m)
11:14AM
0.09
11:41PM
0.38
12:03PM
0.11
12:23AM
0.41
12:39PM
0.15
12:59AM
0.43
Low Tide
/ height (m)
2:41PM
0.03
6:16AM
0.03
3:53PM
0.02
6:34AM
0.01
4:48PM
-0.01
6:53AM
-0.00
Thursday
12
Friday
13
Saturday
14
Sunday
15
Sunrise-------6:43-------6:41-------6:41
Sunset--6:39-------6:40-------6:40-----
thunderstorm
thunderstorm
thunderstorm
light rain
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
mod rain
Rain (mm)
111413634419261725161014121117128226
Temp. °C232123222222222222222223232323232323232323232424
Feels °C (?)231922232120191717191922212020212120212121202121
  • 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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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 Avalanche 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.

View detailed surf forecast for Avalanche at:
surf-forecast.com

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