Number Threes surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Friday 17 Oct 2025 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
27.1° C
(Which is normal for this time of year)


How big are the waves at Number Threes today?

The current surf forecast for Number Threes at 11AM is: 1.6m 8s primary swell from a East-northeast direction and 0.5m 16s secondary swell from a Southwest direction (forecast issued at 07:00am October 17). An open ocean swell of 0.8m 16s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (17 Oct)5ft (1.6m)8s
Afternoon (17 Oct)5ft (1.5m)7s
Evening (17 Oct)5ft (1.5m)7s

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

Updates in  hr  min  s Forecast update imminent
Friday
17
Saturday
18
Sunday
19
Mon
20
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.5
ENE
1.6
ENE
1.6
ENE
1.5
ENE
1.5
ENE
1.4
ENE
1.6
ENE
1.7
ENE
1.6
ENE
1.9
ENE
1.9
ENE
1.8
ENE
1.7
ENE
1.9
ENE
2.1
ENE
1.9
ENE
1.7
ENE
1.7
ENE
1.7
ENE
1.7
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.5
ENE
Period(s) (?)788877777777777788888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)225276288244237197244265244348356344294390469400336345336302270294294247
Wind
(km/h)
20
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
1:32PM
0.55
2:29AM
0.48
2:05PM
0.50
2:58AM
0.54
2:35PM
0.45
Low Tide
/ height (m)
7:22AM
0.17
8:10PM
0.05
8:14AM
0.16
8:27PM
0.04
9:01AM
0.16
8:45PM
0.04
Friday
17
Saturday
18
Sunday
19
Mon
20
Sunrise-6:26-------6:28-------6:28------
Sunset----6:05-------6:04-------6:02---
thunderstorm
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
1-----------------------
Temp. °C252526262625252525252626262525252525252626252525
Feels °C (?)252224242423232323222323232323222222232424242425
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Oahu

  1. weather stationWind Update Continuing clean conditions at Number Threes (calm at Saint Louis Heights wx 3 km from Number Threes). 0.7m 10s swell from the SE with a 0.4m 13s groundswell from the S. 2 swells combining to make bigger set waves.

    Number Threes
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1 h 3 min ago

5 km/h
SE
Clean
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