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Surf Forecasts:

Big Lefts surf break

Big Lefts 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
Big Lefts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Lefts sea temperature is
25.0° C
 (Which is slightly warmer than usual)

How big are the waves at Big Lefts today?

The current surf forecast for Big Lefts at 7AM is: 1.8m 7s primary swell from a East direction (forecast issued at 01:00am January 18). An open ocean swell of 1.0m 12s is not directed at the surf break, a second open ocean swell of 0.7m 19s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (18 Jan)6ft (1.8m)7s
Afternoon (18 Jan)4.5ft (1.3m)7s
Evening (18 Jan)4.5ft (1.3m)7s

Table - waves today at Big Lefts. (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)
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
1
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
S
1.6
ENE
1.8
ENE
1.8
E
1.5
E
1.3
ENE
1.3
ENE
1.4
ENE
1.3
ENE
1.3
ENE
1.2
ENE
1.2
E
1.2
E
1.1
E
1.1
ENE
1.1
ENE
1.1
ENE
1.1
E
1.1
E
1.1
E
1.1
E
1
E
1
E
1
E
Period(s) (?)1866777777777777777777778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7205265293200152152163157152131130130104118118118113117117121106112115
Wind
(km/h)
35
ENE
35
ENE
30
E
20
ESE
15
ESE
15
E
25
NE
20
ENE
15
E
10
ESE
15
ENE
10
ESE
5
E
0
WSW
10
W
0
WSW
0
SW
5
NW
5
NE
5
NE
10
SSW
15
SSW
10
S
5
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscrosscross-
on		crosscross-
off		cross-
off		crosscross-
on		cross-
off		crossglassglasscrossglassglassglassglasscross-
off		cross-
on		ononon
High Tide
/ height (m)
4:13AM
0.71
4:00PM
0.22
4:44AM
0.70
4:42PM
0.24
5:14AM
0.68
5:27PM
0.27
Low Tide
/ height (m)
8:41PM
-0.03
11:29AM
0.07
9:20PM
-0.02
11:54AM
0.05
9:59PM
-0.01
12:20PM
0.04
Sunday
18
Monday
19
Tuesday
20
Sunrise---7:11-------7:11-------7:11----
Sunset------6:12-------6:12-------6:13-
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
Rain (mm)
------------------------
Temp. °C232222232323232323232223242424242323222224242423
Feels °C (?)171616202121192121222022252524252424232323232424
  • 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 Big Lefts 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 Big Lefts at:
surf-forecast.com

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