Number Fours surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Sunday 04 Jan 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
25.3° C
(Which is slightly warmer than usual)


How big are the waves at Number Fours today?

The current surf forecast for Number Fours at 11PM is: 1.5m 8s primary swell from a East direction (forecast issued at 07:00pm January 04). An open ocean swell of 1.3m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (04 Jan)--
Afternoon (04 Jan)3.5ft (1.0m)7s
Evening (04 Jan)4ft (1.2m)8s

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

Updates in  hr  min  s Forecast update imminent
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
1
2
3
0
2
0
0
0
0
1
3
2
2
3
3
1
2
3
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1
E
1.2
E
1.5
E
1.6
E
2.1
E
1.8
E
1.8
E
1.6
ESE
2.4
E
3
ENE
2.1
E
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
2.5
ENE
2.5
ENE
2.3
ENE
2.5
ENE
2.2
ENE
2
E
1.9
ENE
1.7
ENE
Period(s) (?)788888889989999999988888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10316429534359343242834187913806101288146116181405122911191070899792614535485364
Wind
(km/h)
5
SW
5
WSW
5
SW
5
NNE
20
ENE
30
ESE
15
ENE
25
E
30
E
40
E
50
ENE
35
E
25
ENE
25
E
15
E
15
ENE
25
ENE
25
E
20
E
15
E
15
ENE
20
ENE
20
ENE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
crosscross-
off
crosscrosscrosscross-
off
crosscross-
off
crosscrosscross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
5:08PM
0.21
5:40AM
0.75
6:05PM
0.23
6:18AM
0.68
7:06PM
0.27
6:54AM
0.60
Low Tide
/ height (m)
10:14PM
-0.02
1:01PM
0.02
11:03PM
0.03
1:36PM
0.02
11:56PM
0.10
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Sunrise-----7:09-------7:09-------7:09--
Sunset6:01-------6:02-------6:04-------
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
mod rain
cloud
light rain
light rain
light rain
light rain
rain showers
light rain
cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
Rain (mm)
----121-26-123211--12---
Temp. °C212122222324232421212223212322232324232322232424
Feels °C (?)222324232222242218161519192122232222222322222324
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest