Number Threes Surf Break

Lat Long: 21.28° N 157.83° W

Number Threes Surf Forecast and Surf Report

Issued: 7 am 24 Jul 2026 (local time)

Forecast update in  hr  min

Today's Number Threes sea temperature is
26.7° C
0.4° 

Number Threes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Number Threes surf forecast from 24 Jul 2026:

  • Best quality surf: Wednesday 29 Jul, 2AM (local time) - 10ft (3.0m), 12s period, ENE swell with offshore winds.
  • Most powerful swell: Tuesday 28 Jul, 11PM (local time) - 10ft (3.0m), 13s period, ENE swell with 2,752 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 29 Jul, 2AM (local time) - 10ft (3.0m), 12s period with ENE swell.

Best Forecast Surf Conditions for Number Threes this week:

The surf forecast for Number Threes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 2AM. The primary swell is predicted to be 3.0m and 12s period with a secondary swell of 0.7m and 14s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Number Threes in the next 16 days are 3.0m 13s and forecast to arrive on Tuesday (Jul 28) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 11s period and expected on Wednesday (Jul 29) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 29th Jul)10ft (3.0m) 12s
Best Surf 2AM (Wed 29th Jul)10ft (3.0m) 12s
Most Powerful11PM (Tue 28th Jul)10ft (3.0m) 13s

Table - best surf conditions forecast for Number Threes over the next 16 days.


The Lowdown

Alright, let me break down what’s happening at Number Threes for you.

The water’s sitting right around 80°F, which is dead on average for this time of year, so nothing weird there.

First few days – from Friday the 24th through Monday the 28th – it’s mostly a grind. You’ve got swell from 7 ft down to 5 ft, but it’s short-period windswell at 7-8 seconds, and the wind is blowing hard out of the ENE at 18-25 mph. The energy is moderate to strong, in the 1049 to 1273 range, but that short period and strong cross-off wind means messy, choppy conditions. Tuesday the 28th brings a bigger pulse – 7 ft to 8 ft from the east with period up to 13 seconds, and energy jumps to 1673 and 1934 – that’s serious energy – but wind is still fresh cross-off.

Now, Wednesday the 29th is where you need to be. Swell drops to 2 ft, but it’s from the south with a 14-second period, and the wind goes glassy – barely 3 mph out of the west. Energy is low at 217, but that’s a classic long-period groundswell and it’ll be glassy clean. That morning is the best session in this whole 16-day forecast. The reef at Number Threes is consistent and exposed, so with that period and zero wind, the waves will have shape. The afternoon goes onshore and junk, so get it early.

After that, it’s a long stretch of nothing special. Thursday the 30th through Wednesday the 6th of August is mostly 3 ft to 8 ft of east-northeast short-period swell with fresh cross-off winds 18-25 mph. Energy stays moderate to strong – 641 up to 1501 – but 7-8 second period won’t hold up well on a reef. On Saturday the 2nd of August, period jumps to 16 seconds with 4 ft from the east, energy at 1501, but wind is still cross-off at 18 mph. Clean but not glassy.

Into the second week, it fades. By August 7th and 8th, swell is down to 2 ft to 3 ft with very long 18-20 second periods from the south-southwest, but wind turns onshore with rain and storms, so it’s a washout.

The one true standout is Wednesday morning, July 29th. Glassy, long-period groundswell, clean reef. Crowds are often at Number Threes, but with that early glass and small size, you might get lucky with a few waves to yourself if you’re first in.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Sat afternoon, min 24°C on Fri night). Mainly strong winds.

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Warm (max 27°C on Tue afternoon, min 25°C on Mon morning). Winds decreasing (fresh winds from the NE on Mon afternoon, calm by Wed morning).

Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
2
2
2
2
2
2
2
2
1
3
2
2
4
2
0
0
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
ENE
7
2
ENE
7
2
ENE
7
1.8
ENE
8
0.9
SSW
18
2.1
ENE
8
0.9
SSW
16
1.1
E
14
1.3
E
15
1.4
E
14
1.4
E
13
2.3
ENE
13
2.1
E
13
2.3
E
13
3
ENE
12
0.7
S
14
0.7
S
14
1.8
ENE
8
1.9
ENE
8
1.6
ENE
8
1.6
ENE
8
Wave Graph
Metric surfscale
Energy kJ
484
428
415
392
572
547
469
499
706
764
680
1872
1520
1755
2555
200
195
460
449
316
266
Wind (km/h)
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
30
NE
20
NE
25
NE
30
NE
20
NNE
5
W
10
SSW
20
SE
35
ENE
30
ENE
40
ENE
Wind State
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
off
glassy
on
cross-on
cross-off
cross-off
cross-off
High Tide
1:44PM0.62m
00:59AM0.18m
2:22PM0.66m
1:51AM0.19m
2:56PM0.68m
2:32AM0.21m
3:29PM0.70m
3:10AM0.23m
3:59PM0.70m
3:49AM0.25m
4:29PM0.70m
4:28AM0.28m
4:58PM0.68m
Low Tide
9:41PM0.14m
6:23AM0.04m
10:05PM0.12m
7:08AM0.02m
10:27PM0.11m
7:51AM0.01m
10:49PM0.10m
8:31AM0.01m
11:11PM0.09m
9:09AM0.01m
11:34PM0.08m
9:48AM0.03m
11:58PM0.07m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
6:01
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:13
7:13
7:12
7:12
7:10
7:10
 mm
3
Temp °C
25
25
25
25
26
25
25
26
25
25
26
25
26
27
25
26
26
26
26
27
26
Feels °C
21
20
22
22
23
22
22
23
22
24
24
23
26
26
24
30
29
29
27
26
24
  • Map Icons:
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  • 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 16 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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