Backdoor surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Friday 27 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backdoor sea temperature is
24.4° C
(Which is normal for this time of year)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 12PM is: 1.8m 9s primary swell from a Northeast direction and 1.0m 13s secondary swell from a Northwest direction, 0.3m 10s secondary swell from a North direction (forecast issued at 07:00am March 27). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (27 Mar)6ft (1.8m)9s
Afternoon (27 Mar)6ft (1.8m)9s
Evening (27 Mar)5ft (1.6m)9s

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


Updates in  hr  min  s Forecast update imminent
Friday
27
Saturday
28
Sunday
29
Mon
30
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
1
1
1
1
1
0
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.9
NE
1.8
NE
1.8
NE
1.8
NE
1.7
NE
1.6
NE
1.6
NE
1.6
NE
1.1
NW
1.6
NE
1.9
NE
1.9
NNE
1.9
NNE
1.9
NNE
1.8
NE
1.8
NNE
1.7
NNE
2.2
NNE
2.5
N
2.4
N
2.5
N
2.5
N
2.5
NNE
2.5
NNE
Period(s) (?)99999999129677777811111111111212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5735035035034504083883793043792873233233232863624231121145913201439164218461979
Wind
(km/h)
20
NE
20
NE
20
NE
25
NNE
25
NNE
25
NE
20
NE
20
NNE
20
NE
25
NE
30
NNE
30
NNE
25
NE
30
NE
30
NE
25
NE
25
NE
25
NE
25
NE
25
NNE
30
NNE
25
NE
30
NE
25
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
11:27AM
0.30
12:18AM
0.71
12:22PM
0.37
12:50AM
0.70
1:03PM
0.45
1:16AM
0.67
Low Tide
/ height (m)
7:46AM
0.26
4:29PM
0.19
7:35AM
0.24
5:41PM
0.19
7:40AM
0.22
6:35PM
0.19
Friday
27
Saturday
28
Sunday
29
Mon
30
Sunrise-6:28-------6:28-------6:28------
Sunset----6:45-------6:45-------6:45---
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C212122222121212121212120202021212020212121202121
Feels °C (?)191920191818181919181715161516161515161616161716
  • 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 Backdoor 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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