Number Fours Surf Break

Lat Long: 21.28° N 157.83° W

Number Fours Surf Forecast and Surf Report

Issued: 7 am 26 Jul 2026 (local time)

Forecast update in  hr  min

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

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


Number Fours surf forecast from 27 Jul 2026:

  • Best quality surf: Wednesday 29 Jul, 5AM (local time) - 8ft (2.5m), 11s period, ENE swell with offshore winds.
  • Most powerful swell: Tuesday 28 Jul, 8PM (local time) - 10ft (3.0m), 13s period, ENE swell with 2,578 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 29 Jul, 5AM (local time) - 8ft (2.5m), 11s period with ENE swell.

Best Forecast Surf Conditions for Number Fours this week:

The surf forecast for Number Fours over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 5AM. The primary swell is predicted to be 2.5m and 11s 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 Fours in the next 16 days are 3.0m 13s and forecast to arrive on Tuesday (Jul 28) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 10s period and expected on Wednesday (Jul 29) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 29th Jul)8ft (2.5m) 11s
Best Surf 5AM (Wed 29th Jul)8ft (2.5m) 11s
Most Powerful 8PM (Tue 28th Jul)10ft (3.0m) 13s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Sun night). Winds decreasing (fresh winds from the ENE on Sun afternoon, light winds from the N by Tue night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Wed morning, min 25°C on Wed morning). Winds increasing (calm on Wed afternoon, strong winds from the ENE by Fri night).

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
2
1
2
3
3
2
3
4
2
1
2
3
1
0
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
16
1.1
E
14
1.3
E
14
1.3
E
14
1.5
E
13
2.1
E
13
2.2
E
13
2.5
E
13
2.5
ENE
12
2.5
ENE
10
0.7
S
14
1.3
ENE
9
1.6
ENE
8
1.4
ENE
8
1.7
ENE
7
2
E
8
2.2
ENE
8
3
E
8
3
ENE
8
3
ENE
8
3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
469
499
697
631
792
1543
1667
2364
1928
1385
195
243
314
222
327
459
528
1102
1156
1051
1152
Wind (km/h)
35
ENE
35
ENE
30
ENE
30
ENE
30
NE
20
NE
20
NE
30
NE
15
NNE
5
NE
5
NW
10
SE
10
E
10
ENE
25
ENE
35
ENE
40
ENE
45
ENE
40
ENE
40
ENE
40
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
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
5:11AM0.31m
5:26PM0.64m
5:57AM0.34m
5:55PM0.59m
Low Tide
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
10:29AM0.06m
00:22AM0.06m
11:14AM0.11m
00:48AM0.05m
clear
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:03
6:03
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:12
7:12
7:10
7:10
7:09
7:09
 mm
Temp °C
25
25
25
25
26
25
26
27
25
27
27
26
27
27
26
26
26
25
25
26
25
Feels °C
22
21
22
22
24
24
27
26
25
31
31
30
30
29
26
25
22
22
21
22
21
  • 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 Fours Surf forecast

The above surf forecast table for Number Fours provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Number Fours can be found by selecting the local surf guide option on the grey menu. Our Number Fours 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 Fours) 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 Fours 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 Fours 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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