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Surf Forecasts:

Big Lefts surf break

Big Lefts surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 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
24.6° 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 10PM is: 0.7m 13s primary swell from a South direction and 1.1m 5s secondary swell from a South-southeast direction (forecast issued at 01:00pm March 19). An open ocean swell of 0.9m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (19 Mar)3ft (0.9m)14s
Afternoon (19 Mar)2.5ft (0.8m)14s
Evening (19 Mar)2.5ft (0.7m)13s

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
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
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
S
0.8
S
0.8
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
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
Period(s) (?)141414141313131313131319191919181818181818171716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)333257246179173171171168168162117146246246170216211276319316312267255234
Wind
(km/h)
10
SE
20
SSE
20
SSE
25
SSE
25
SSE
25
S
25
S
20
S
30
S
30
SSW
25
SSW
20
SSW
20
SSW
20
SSW
25
SW
20
SSW
20
SSW
30
S
30
S
25
S
25
S
25
SSW
25
S
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		oncross-
on		onononononononcross-
on		oncross-
on		cross-
on		cross-
on		onononononononon
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)
10:22AM
-0.06
11:00PM
0.03
10:49AM
-0.07
12:00AM
0.06
11:18AM
-0.07
1:13AM
0.10
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-------6:35-------6:33-------6:33
Sunset--6:42-------6:42-------6:42-----
thunderstorm
thunderstorm
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thunderstorm
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thunderstorm
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thunderstorm
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thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
112412221323344239313442
Temp. °C242424232323232424252524242423232322232223232323
Feels °C (?)262424222223222423242525242423242421212122222221
  • 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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