Number Fours surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Saturday 28 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
24.4° C
(Which is normal for this time of year)

How big are the waves at Number Fours today?

The current surf forecast for Number Fours at 5AM is: 0.4m 15s primary swell from a Southwest direction and 0.5m 5s secondary swell from a East direction (forecast issued at 01:00am February 28). An open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (28 Feb)1.5ft (0.4m)14s
Afternoon (28 Feb)1.5ft (0.4m)14s
Evening (28 Feb)2.5ft (0.8m)6s

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


Updates in  hr  min  s Forecast update imminent
Saturday
28
Sunday
01
Monday
02
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.8
E
0.8
E
0.7
E
0.7
E
0.8
E
0.8
E
0.8
E
0.8
E
0.8
E
0.4
SSE
0.4
SSE
0.4
SSE
0.4
SSE
0.4
SSE
0.4
SSE
1
ENE
0.3
SSE
Period(s) (?)15151514141414666666666766101010910
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5554545453494743433333444446464815141336363616818
Wind
(km/h)
15
ENE
15
ENE
5
ENE
5
ENE
10
ESE
10
SE
10
SE
10
ENE
10
ENE
5
ENE
5
ENE
5
NNE
0
E
5
WNW
10
N
20
NNE
15
NNE
10
NNE
15
NNE
15
NNE
15
NNE
15
NE
20
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
glasscross-
on
cross-
on
cross-
on
cross-
off
cross-
off
glasscross-
off
offglasscross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:18AM
0.67
2:36PM
0.24
2:57AM
0.66
3:16PM
0.30
3:31AM
0.63
3:55PM
0.35
Low Tide
/ height (m)
9:29AM
0.01
7:52PM
-0.02
9:53AM
-0.01
8:42PM
-0.02
10:16AM
-0.02
Saturday
28
Sunday
01
Monday
02
Sunrise---6:52-------6:52-------6:50----
Sunset------6:35-------6:35-------6:36-
clear
clear
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
rain showers
light rain
light rain
cloud
cloud
light rain
light rain
cloud
light rain
cloud
light rain
light rain
Rain (mm)
------------111--11-1-11
Temp. °C222222222323232323232222242324222221212121222122
Feels °C (?)222224242424242424252424272425212322222221222122
  • 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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