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Surf Forecasts:

Backyards surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Sunday 18 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Backyards surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backyards sea temperature is
24.9° C
 (Which is slightly warmer than usual)

How big are the waves at Backyards today?

The current surf forecast for Backyards at 8AM is: 2.0m 18s primary swell from a Northwest direction and 1.3m 12s secondary swell from a North direction (forecast issued at 01:00am January 18). An open ocean swell of 1.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Jan)7ft (2.1m)18s
Afternoon (18 Jan)8ft (2.5m)16s
Evening (18 Jan)8ft (2.5m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
18
Monday
19
Tuesday
20
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
2
1
2
2
3
4
4
4
3
2
3
3
3
2
3
3
2
2
3
2
4
3
3
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
N
1.5
N
0.8
NW
2
NW
2.5
NW
2.5
NW
2.5
NW
2.5
NW
2.4
NW
2.2
NW
2.1
NW
1.9
NW
1.6
NW
1.5
NW
1.4
NW
1.3
NW
1.1
NW
1.1
NW
0.9
NW
1.1
NW
1.6
NW
1.6
NW
1.7
NW
1.7
NW
Period(s) (?)121120181716161615141414131313131212171616151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6785665022531366336343544328824241956168814239337556735293803304875741297103411961163
Wind
(km/h)
25
E
25
E
30
E
25
ESE
25
ESE
20
ESE
20
E
20
E
25
ESE
25
ESE
20
ESE
20
ESE
20
ESE
15
ESE
10
ESE
10
ESE
5
ESE
5
SSE
10
SE
15
ESE
5
SE
10
W
5
W
5
SSE
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		offcross-
off		cross-
off		glasscross-
on		cross-
on		glass
High Tide
/ height (m)
3:23AM
0.80
1:36PM
0.36
3:48AM
0.80
2:19PM
0.37
4:12AM
0.78
3:06PM
0.39
Low Tide
/ height (m)
10:33AM
0.32
8:03PM
0.01
10:49AM
0.31
8:35PM
0.04
11:08AM
0.29
Sunday
18
Monday
19
Tuesday
20
Sunrise---7:11-------7:11-------7:11----
Sunset------6:12-------6:13-------6:13-
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C222222222323232323232222242424232323222224242423
Feels °C (?)171717181919202120192020212224232323222125232424
  • 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 Backyards 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 Backyards at:
surf-forecast.com

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