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Surf Forecasts:

Big Lefts surf break

Big Lefts surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 20 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
24.8° C
 (Which is slightly warmer than usual)

How big are the waves at Big Lefts today?

The current surf forecast for Big Lefts at 12AM is: 0.8m 7s primary swell from a East direction (forecast issued at 07:00pm January 20). An open ocean swell of 0.6m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (21 Jan)--
Afternoon (21 Jan)3ft (0.9m)7s
Evening (21 Jan)3ft (0.9m)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
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
E
0.9
E
0.9
E
0.8
E
0.8
E
0.7
E
0.7
E
0.6
E
0.2
SSW
0.7
E
0.6
E
0.3
SW
0.3
SW
0.8
ENE
1
ENE
1
ENE
0.9
ENE
0.8
ENE
0.7
ENE
0.7
ENE
0.8
ENE
0.9
ENE
0.9
ENE
0.8
ENE
Period(s) (?)777788881677151577778888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)868688707254544025543938346799967875586066858985
Wind
(km/h)
15
SSW
10
SSW
10
SSW
10
W
30
N
25
N
20
NE
20
NE
20
NE
25
NE
25
NNE
15
NNE
15
NNE
15
NNE
20
ENE
10
ENE
10
NE
15
NNE
15
NNE
10
NNE
15
NE
15
NNE
20
NE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
off		offoffcross-
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
High Tide
/ height (m)
5:27PM
0.27
5:45AM
0.64
6:18PM
0.30
6:15AM
0.58
7:15PM
0.34
6:47AM
0.50
Low Tide
/ height (m)
10:41PM
0.03
12:47PM
0.03
11:28PM
0.08
1:15PM
0.02
12:25AM
0.14
1:45PM
0.01
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise-----7:11-------7:11-------7:09--
Sunset6:13-------6:14-------6:14-------
clear
clear
clear
part cloud
rain showers
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
Rain (mm)
----1-------------------
Temp. °C242424232021222322222222212122222221212121212223
Feels °C (?)232525241717192020191920192021222221212121202122
  • 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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