Number Threes surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 am Sunday 07 Dec 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
26.0° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Number Threes this week:

The surf forecast for Number Threes over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 09) at 8AM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.7m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Number Threes in the next 12 days are 1.4m 8s and forecast to arrive on Sunday (Dec 07) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 16s period and expected on Wednesday (Dec 10) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Tue 9th Dec)2ft (0.6m) 8s
Best Surf 8AM (Tue 9th Dec)2ft (0.6m) 8s
Most Powerful 2PM (Sun 7th Dec)4.5ft (1.4m) 8s

Table - best surf conditions forecast for Number Threes over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 25°C on Sun afternoon, min 22°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Thu afternoon. Warm (max 24°C on Wed morning, min 22°C on Wed morning). Wind will be generally light.

Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
0
0
0
1
1
1
0
0
0
1
1
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
ENE
1.3
ENE
1.2
ENE
1.1
ENE
0.9
ENE
0.6
ENE
0.9
ENE
0.8
ENE
0.7
ENE
0.8
E
0.8
E
0.4
SSW
0.5
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.7
E
0.6
E
0.6
E
0.6
E
0.5
E
Period(s) (?)88888888888151414131388888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)163206178147102458377617485721207459576348454530
Wind
(km/h)
15
E
25
ENE
20
ENE
25
ENE
30
ENE
15
ENE
10
ENE
10
NNE
5
ENE
10
WSW
15
W
10
W
5
WSW
5
N
10
NE
10
ESE
10
SSE
10
SSE
20
S
25
SSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offglasscrosscrosscrossglassoffcross-
off
crossoncross-
on
ononcross-
on
High Tide
/ height (m)
6:16PM
0.16
6:54AM
0.74
7:38PM
0.18
7:42AM
0.67
9:10PM
0.22
8:30AM
0.59
10:38PM
0.29
9:17AM
0.51
11:45PM
0.37
10:05AM
0.43
12:34AM
0.44
10:54AM
0.36
1:13AM
0.51
Low Tide
/ height (m)
1:56PM
0.05
11:02PM
0.02
2:46PM
0.04
11:56PM
0.09
3:32PM
0.04
1:03AM
0.16
4:13PM
0.03
2:35AM
0.23
4:48PM
0.03
4:29AM
0.27
5:18PM
0.03
6:19AM
0.26
5:46PM
0.02
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunrise6:56--6:56--6:56--6:56--6:58--6:58--6:58--
Sunset-5:49--5:49--5:49--5:50--5:50--5:50--5:51-
part cloud
thunderstorm
clear
clear
clear
clear
part cloud
rain showers
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
clear
clear
clear
part cloud
thunderstorm
Rain (mm)
-1-----2-----241----6
Temp. °C242524242524242423242423242423232424242524
Feels °C (?)242423222223252624242324262624242425232423
  • 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

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Information about the Number Threes Surf forecast

The above surf forecast table for Number Threes provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Number Threes can be found by selecting the local surf guide option on the grey menu. Our Number Threes surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Number Threes) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Number Threes may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Number Threes is 5 km (3 miles) from Honolulu. If you plan a vacation in Oahu, look for hotels and other accommodation in Honolulu. Honolulu has rooms for a wide range of budgets as well as car hire and transport links.

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