Avalanche surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Thursday 19 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
24.5° C
(Which is normal for this time of year)

How big are the waves at Avalanche today?

The current surf forecast for Avalanche at 6PM is: 1.2m 11s primary swell from a North direction (forecast issued at 01:00pm March 19). An open ocean swell of 0.8m 14s is not directed at the surf break, a second open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (19 Mar)4.5ft (1.4m)11s
Afternoon (19 Mar)4.5ft (1.3m)11s
Evening (19 Mar)3.5ft (1.1m)11s

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


Updates in  hr  min  s Forecast update imminent
Thursday
19
Friday
20
Saturday
21
Sunday
22
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
2
1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
1
0
1
1
2
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
N
1.3
N
1.2
N
1.1
N
1.1
N
1.1
N
1
N
1
N
1
N
1.2
N
1.2
N
1.3
N
1.3
N
1.3
N
1.3
N
1.3
N
1.3
N
1.3
N
1.4
N
1.5
N
1.4
NNE
1.3
NNE
0.9
N
0.7
NW
Period(s) (?)111111111010101010101211111111101011111110101115
Wave
Graph
(?)Metric surfscale
Energy kJ (?)467396332274264247200200200294383396382382375367346403492545443370188226
Wind
(km/h)
10
ESE
15
SSE
20
SSE
20
SSE
20
SSE
15
S
15
S
20
S
25
S
25
SSW
25
SSW
15
SSW
15
S
20
S
20
SSW
20
S
20
S
25
S
25
S
20
SSW
20
S
20
SSW
15
SSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
crosscrosscross
High Tide
/ height (m)
3:46PM
0.40
3:37AM
0.30
4:30PM
0.43
4:10AM
0.24
5:20PM
0.45
4:45AM
0.18
Low Tide
/ height (m)
8:16AM
-0.06
8:54PM
0.01
8:41AM
-0.07
9:54PM
0.04
9:09AM
-0.07
11:05PM
0.06
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-------6:35-------6:35-------6:33
Sunset--6:43-------6:43-------6:43-----
thunderstorm
thunderstorm
thunderstorm
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thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
11241211-112236245233312
Temp. °C242525232323232325252524242323232323232222232323
Feels °C (?)262625232324242325252525252324242322222222232423
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Latest Updates

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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