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Surf Forecasts:

Number Threes surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Thursday 19 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
Number Threes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Number Threes sea temperature is
24.7° C
 (Which is slightly warmer than usual)

How big are the waves at Number Threes today?

The current surf forecast for Number Threes at 7AM is: 0.9m 14s primary swell from a South direction (forecast issued at 01:00am March 19). An open ocean swell of 1.1m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

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 (0.8m)13s

Table - waves today at Number Threes. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
19
Friday
20
Saturday
21
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)
2
1
1
1
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
0.9
S
0.9
S
0.9
S
0.9
S
0.8
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
0.6
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
Period(s) (?)151514141414141413131313131313191919191818181818
Wave
Graph
(?)Metric surfscale
Energy kJ (?)343343338333333257246232173171171168168162117146246246170216211276319316
Wind
(km/h)
5
E
5
ESE
10
ESE
10
E
15
ESE
20
SSE
15
SSE
20
SSE
20
SE
15
S
15
SSW
20
S
25
S
25
SSW
20
SSW
15
S
20
SSW
15
SSW
10
SSW
15
SW
15
SW
20
S
25
S
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		cross-
on		crosscrossonononcross-
on		ononononononononcross-
on		oncross-
on		cross-
on		ononon
High Tide
/ height (m)
4:07AM
0.46
4:49PM
0.51
4:40AM
0.40
5:34PM
0.55
5:14AM
0.32
6:25PM
0.57
Low Tide
/ height (m)
10:06PM
0.01
10:22AM
-0.06
11:00PM
0.03
10:49AM
-0.07
12:00AM
0.06
11:18AM
-0.07
Thursday
19
Friday
20
Saturday
21
Sunrise---6:35-------6:35-------6:33----
Sunset------6:42-------6:42-------6:42-
cloud
cloud
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
heavy rain
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
--22-111323223223431733132
Temp. °C232423242424242323232323232424242424232221232222
Feels °C (?)262725262424252323242423222424252526252321232121
  • 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 Number Threes 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 Number Threes at:
surf-forecast.com

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