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Surf Forecasts:

Big Lefts surf break

Big Lefts surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Thursday 12 Mar 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 7AM is: 0.9m 8s primary swell from a East-northeast direction and 0.7m 5s secondary swell from a South direction (forecast issued at 01:00am March 12). An open ocean swell of 1.0m 11s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (12 Mar)3ft (0.9m)8s
Afternoon (12 Mar)3ft (0.9m)8s
Evening (12 Mar)2.5ft (0.7m)8s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
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
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.8
ENE
0.4
SW
0.4
SW
1.5
S
1.8
S
2.3
S
2.5
S
3
S
3
SSW
3
SSW
3
SSW
3
SW
3
SW
3
SW
3
SW
2.5
SW
2.5
SW
Period(s) (?)88888888181756777888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)122999994928987817977119229453763869111111451151121711351055979708817
Wind
(km/h)
20
SSW
15
SSW
15
SSW
15
S
25
S
30
SSW
20
SSE
20
S
15
SE
25
S
40
S
40
S
45
S
50
S
45
S
45
S
50
SSW
50
SSW
50
SSW
50
SSW
50
SSW
50
SSW
50
SW
45
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		ononononcross-
on		cross-
on		oncross-
on		ononononononononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
11:56PM
0.51
12:13PM
0.14
12:47AM
0.53
1:03PM
0.17
1:27AM
0.56
1:41PM
0.22
Low Tide
/ height (m)
8:14AM
0.09
4:45PM
0.07
8:27AM
0.07
5:57PM
0.05
8:42AM
0.05
6:53PM
0.03
Thursday
12
Friday
13
Saturday
14
Sunrise---6:41-------6:41-------6:41----
Sunset------6:38-------6:39-------6:39-
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
cloud
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
1121273-137510612173314441219174
Temp. °C242424242421222323222222222222222323232423232324
Feels °C (?)242524242318212324201818171617181817171918181719
  • 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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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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