Number Threes surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Saturday 19 Jul 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
26.2° 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 7AM is: 0.6m 16s primary swell from a Southwest direction (forecast issued at 01:00am July 19). An open ocean swell of 1.4m 9s is not directed at the surf break, a second open ocean swell of 1.7m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (19 Jul)2ft (0.6m)16s
Afternoon (19 Jul)2ft (0.6m)16s
Evening (19 Jul)2ft (0.6m)15s

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

Updates in  hr  min  s Forecast update imminent
Saturday
19
Sunday
20
Monday
21
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
ENE
1.5
ENE
1.5
ENE
0.6
SW
0.6
SSW
0.6
SSW
0.6
SW
0.6
SW
0.6
SW
1.5
ENE
1.5
ENE
1.4
ENE
1.4
ENE
1.3
ENE
1.3
ENE
1.3
ENE
1.5
ENE
1.5
ENE
1.4
ENE
1.4
ENE
1.4
ENE
0.5
SW
1.3
ENE
1.5
ENE
Period(s) (?)9991616161515158888888877771376
Wave
Graph
(?)Metric surfscale
Energy (?)432573565224219213201213208477440423426372356377374358318314317176291298
Wind
(km/h)
30
ENE
25
ENE
20
ENE
20
ENE
25
ENE
30
ENE
25
ENE
25
ENE
20
ENE
15
ENE
15
ENE
20
ENE
30
ENE
30
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
30
ENE
35
ENE
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)
9:43PM
0.26
12:35PM
0.63
11:07PM
0.20
1:28PM
0.70
12:36AM
0.17
2:17PM
0.76
Low Tide
/ height (m)
4:31AM
-0.03
8:24PM
0.17
5:22AM
-0.04
9:21PM
0.12
6:16AM
-0.04
Saturday
19
Sunday
20
Monday
21
Sunrise---5:58-------6:00-------6:00----
Sunset------7:15-------7:15-------7:14-
rain showersrain showersrain showerspart cloudclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudcloudcloudpart cloud
Rain (mm)
111---------------------
Temp. °C252524252626262525252525262626252525252525252525
Feels °C (?)232424252524242425262625242425242424232323242323
  • 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). 1.2m 5s windswell from the ENE with a 0.3m 9s swell from the SSE and a 0.3m 8s swell, also from the SSE. Swells combining to make to make bigger set waves.

    Number Threes
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1 h 43 min ago

3 km/h
NNE
Clean
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