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Surf Forecasts:

Big Lefts surf break

Big Lefts surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Thursday 19 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
24.5° C
 (Which is normal for this time of year)

How big are the waves at Big Lefts today?

The current surf forecast for Big Lefts at 2AM is: 0.7m 13s primary swell from a South direction and 0.7m 5s secondary swell from a South direction (forecast issued at 07:00pm March 19). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (20 Mar)2.5ft (0.7m)13s
Afternoon (20 Mar)2.5ft (0.7m)13s
Evening (20 Mar)1.5ft (0.4m)19s

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
19
Friday
20
Saturday
21
Sunday
22
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
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 (?)
0.8
S
0.8
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.6
S
0.4
SSW
0.6
SSW
0.6
SSW
0.5
SW
0.6
SSW
0.6
SSW
0.7
SSW
0.7
SW
0.7
SW
0.7
SW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
SSW
Period(s) (?)141413131313131313191919191818181818181717161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)246232173171171168165162117146246246170216211276319316312267255234229226
Wind
(km/h)
15
SSE
25
SSE
25
S
20
S
20
S
20
S
25
S
25
SSW
25
SSW
20
SSW
20
SSW
15
SSW
20
SSW
20
SSW
20
SW
25
SSW
20
SW
15
S
20
SSE
25
S
25
SSW
20
SSW
25
SSW
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		ononononononononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononononononcross-
on
High Tide
/ height (m)
4:49PM
0.51
4:40AM
0.40
5:34PM
0.55
5:14AM
0.32
6:25PM
0.57
5:50AM
0.24
Low Tide
/ height (m)
11:00PM
0.03
10:49AM
-0.07
12:00AM
0.06
11:18AM
-0.07
1:13AM
0.10
11:50AM
-0.06
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-----6:35-------6:33-------6:33--
Sunset6:42-------6:42-------6:42-------
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
Rain (mm)
122123221354224212113410125
Temp. °C232323232424252525242424242423232323222323222322
Feels °C (?)242322232424242425252525242423232423222222222221
  • 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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