Number Threes surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 pm Tuesday 18 Nov 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 normal for this time of year)


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 Saturday (Nov 22) at 8PM. The primary swell is predicted to be 1.2m and 8s period. 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 2.5m 8s and forecast to arrive on Thursday (Nov 20) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Wednesday (Nov 19) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sat 22nd Nov)4ft (1.2m) 8s
Best Surf 8PM (Sat 22nd Nov)4ft (1.2m) 8s
Most Powerful 2AM (Thu 20th Nov)8ft (2.5m) 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 Some drizzle, heaviest during Wed morning. Warm (max 25°C on Tue night, min 24°C on Tue night). Mainly strong winds.

Days 3-6 Weather Summary Some drizzle, heaviest during Sat night. Warm (max 25°C on Fri night, min 24°C on Fri night). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tue
25
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
1
0
1
0
1
0
0
1
1
1
1
0
0
0
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SW
2.1
E
2
E
2.5
E
2.3
ENE
2.2
ENE
2.1
ENE
1.6
E
1.5
E
1.4
E
1.3
ENE
1.2
ENE
1.1
E
1
E
0.9
ENE
1
E
0.7
E
0.7
E
0.6
E
0.4
SSE
0.5
E
Period(s) (?)12778888888888888888108
Wave
Graph
(?)Metric surfscale
Energy kJ (?)374024477565615855333413092772462121771431201476866453728
Wind
(km/h)
35
ENE
45
ENE
35
ENE
35
ENE
35
ENE
40
ENE
30
ENE
30
ENE
25
ENE
20
ENE
15
NE
20
ENE
15
NE
25
ENE
25
ENE
20
ENE
20
ENE
25
ENE
15
ENE
10
ENE
10
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
High Tide
/ height (m)
3:39AM
0.67
3:01PM
0.25
4:11AM
0.69
3:36PM
0.23
4:46AM
0.69
4:12PM
0.20
5:24AM
0.69
4:53PM
0.19
6:05AM
0.68
5:45PM
0.17
6:48AM
0.66
6:58PM
0.16
7:33AM
0.63
Low Tide
/ height (m)
8:13PM
0.01
10:49AM
0.14
8:37PM
0.01
11:34AM
0.13
9:04PM
0.02
12:22PM
0.13
9:33PM
0.02
1:14PM
0.13
10:04PM
0.04
2:09PM
0.12
10:38PM
0.06
3:03PM
0.11
11:17PM
0.10
3:49PM
0.09
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tue
25
Sunrise-6:43--6:45--6:45--6:46--6:46--6:47--6:48-
Sunset--5:47--5:47--5:47--5:47--5:47--5:47--5:47
part cloud
rain showers
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
clear
clear
part cloud
clear
clear
part cloud
clear
clear
Rain (mm)
-1----------1--------
Temp. °C252424242524242525252525242525242525252525
Feels °C (?)242120202320212323242524252423242424252626
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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