Avalanche surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Monday 23 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
24.7° C
(Which is slightly warmer than usual)

How big are the waves at Avalanche today?

The current surf forecast for Avalanche at 2AM is: 1.4m 7s primary swell from a North-northeast direction and 0.5m 12s secondary swell from a Northwest direction (forecast issued at 07:00pm March 23). An open ocean swell of 0.6m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (24 Mar)5ft (1.6m)11s
Afternoon (24 Mar)5.5ft (1.7m)10s
Evening (24 Mar)6ft (1.8m)8s

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


Updates in  hr  min  s Forecast update imminent
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
1
0
1
1
1
1
2
2
1
Swell
Height Map
Wave Height (m) & direction (?)
1.4
NNE
0.5
NW
1.2
NNE
1.4
NNE
1.1
N
1.6
NNE
1.6
NNE
1.6
NNE
1.7
NNE
1.8
NNE
1.7
NNE
1.8
NNE
1.7
NNE
1.6
NNE
1.7
NNE
1.4
NNE
1.4
NNE
1.5
NNE
1.4
NNE
1.3
NNE
1.3
NNE
0.8
NW
0.8
NW
1.3
NNE
Period(s) (?)9126781111101088888888898815159
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3087397158165541531588529439392402422370388248254294297243217262255248
Wind
(km/h)
25
NE
25
NE
25
NE
25
NE
25
NE
25
NE
25
NE
30
NE
30
NE
30
NE
30
NE
25
ENE
25
NE
25
NE
25
NE
25
NE
25
NE
25
NE
20
NE
20
NE
20
NE
20
NE
20
NE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross
High Tide
/ height (m)
7:25PM
0.45
6:34AM
0.08
8:43PM
0.44
8:52AM
0.07
10:00PM
0.44
10:48AM
0.09
Low Tide
/ height (m)
2:38AM
0.07
11:11AM
-0.02
4:14AM
0.04
12:32PM
0.01
5:02AM
0.01
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Sunrise-----6:33-------6:31-------6:31--
Sunset6:44-------6:44-------6:45-------
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C232222222222232323222222222223232222212221222323
Feels °C (?)212019191919201919181819191920201919182020212121
  • 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 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.


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