Number Fours surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Friday 13 Feb 2026 HST
Forecast update in hr  min  s Forecast update imminent
Number Fours surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Number Fours sea temperature is
24.6° C
(Which is slightly warmer than usual)


How big are the waves at Number Fours today?

The current surf forecast for Number Fours at 11AM is: 1.6m 8s primary swell from a East-northeast direction and 0.4m 7s secondary swell from a South-southeast direction (forecast issued at 07:00am February 13). An open ocean swell of 0.6m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (13 Feb)5.5ft (1.7m)8s
Afternoon (13 Feb)5.5ft (1.7m)8s
Evening (13 Feb)5.5ft (1.7m)7s

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

Updates in  hr  min  s Forecast update imminent
Friday
13
Saturday
14
Sunday
15
Mon
16
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
1
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.8
ENE
1.7
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.8
ENE
1.9
ENE
2.1
ENE
2.3
ENE
2.3
ENE
2.4
ENE
2.3
ENE
2.2
ENE
2.3
ENE
2.4
ENE
2.4
ENE
2.4
ENE
2.5
ENE
3
ENE
3
ENE
3.5
ENE
3.5
ENE
3
ENE
Period(s) (?)888877788888889991010109999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4063553083002682683283975607397227827227087859139711035112514351750177416851553
Wind
(km/h)
25
ENE
20
E
20
E
30
ENE
30
ENE
35
ENE
25
E
25
E
35
E
30
E
35
E
35
E
35
ENE
35
ENE
35
ENE
30
E
35
ENE
35
ENE
40
E
50
ENE
45
ENE
45
ENE
45
ENE
45
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:09AM
0.62
1:54PM
0.19
2:42AM
0.64
2:32PM
0.22
3:13AM
0.66
3:09PM
0.25
Low Tide
/ height (m)
9:39AM
0.09
7:09PM
0.00
9:57AM
0.07
7:54PM
-0.02
10:16AM
0.05
8:36PM
-0.03
Friday
13
Saturday
14
Sunday
15
Mon
16
Sunrise-7:03-------7:01-------7:01------
Sunset----6:28-------6:28-------6:29---
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
Rain (mm)
------------------------
Temp. °C232323242323232323232323232322232323232222222222
Feels °C (?)212221212019212120201818181918211919181515151515
  • 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

Latest Updates

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 Fours 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.


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