Number Threes surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 am Thursday 07 May 2026 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
25.2° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 08) at 5AM. The primary swell is predicted to be 0.4m and 18s period with a secondary swell of 0.5m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Number Threes in the next 16 days are 2.3m 7s and forecast to arrive on Wednesday (May 13) 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 2.2m 7s period and expected on Wednesday (May 13) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 8th May)1.5ft (0.4m) 18s
Best Surf 5AM (Fri 8th May)1.5ft (0.4m) 18s
Most Powerful 8PM (Wed 13th May)7.5ft (2.3m) 7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Thu morning, min 22°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Tue morning. Warm (max 24°C on Sun morning, min 23°C on Sun night). Mainly strong winds.

Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
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
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.5
S
15
0.5
E
8
0.5
E
8
0.5
S
17
0.4
SSW
17
0.4
SSW
16
0.3
SSW
15
0.4
SSW
15
0.4
SSW
14
0.4
SSW
13
0.3
SSW
13
0.3
SSW
13
0.4
SSW
18
0.4
SSW
18
1.4
ENE
6
1.5
ENE
6
0.5
S
16
1.9
ENE
7
2.2
ENE
7
2.2
ENE
7
2.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
112
33
31
151
99
85
46
71
69
58
34
33
106
102
160
181
124
313
513
513
522
Wind (km/h)
15
NE
15
NE
15
NE
15
NE
20
NE
20
NE
25
NE
25
NE
20
ENE
30
ENE
30
ENE
30
NE
35
ENE
35
ENE
30
ENE
35
ENE
40
NE
35
ENE
40
ENE
40
ENE
45
ENE
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
8:23AM0.09m
8:44PM0.51m
10:12AM0.12m
9:37PM0.48m
11:25AM0.18m
10:29PM0.46m
12:12PM0.25m
11:17PM0.42m
12:52PM0.34m
00:03AM0.39m
1:30PM0.43m
00:49AM0.34m
2:09PM0.52m
1:34AM0.29m
Low Tide
12:15PM0.05m
5:02AM0.03m
5:32AM0.02m
3:14PM0.13m
5:57AM-0.01m
4:54PM0.14m
6:20AM-0.03m
6:17PM0.12m
6:44AM-0.06m
7:29PM0.10m
7:10AM-0.09m
8:34PM0.07m
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
rain showers
rain showers
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:59
6:59
7:00
7:00
7:00
7:00
1
1
Temp °C
24
24
23
24
24
24
23
24
24
24
24
24
24
24
23
23
23
23
24
24
23
25
25
21
25
24
23
22
23
23
22
21
22
21
21
19
20
18
18
19
19
17
Swell 1
Height (m)
Direction
Period (s)
0.6
NW
15
0.9
NNW
12
0.7
NW
13
0.8
NNW
12
0.7
NW
12
0.5
NW
12
0.4
NW
11
0.4
NW
11
0.4
NNW
11
0.6
NNE
6
0.5
NNW
10
0.4
NW
12
0.5
NNW
11
0.5
N
7
0.4
SSW
17
0.4
SSW
16
0.5
S
16
0.3
S
15
0.4
S
14
0.4
SSW
14
0.4
SW
14
Energy kJ
186
193
175
190
147
67
42
30
50
24
59
50
70
27
97
83
124
39
66
82
54
Swell 2
Height (m)
Direction
Period (s)
0.5
NNW
12
0.6
NW
14
0.6
NNW
9
0.5
S
17
0.4
SSW
17
0.4
SSW
16
0.3
SSW
15
0.4
SSW
15
0.4
SSW
14
0.6
NNW
12
0.3
E
8
0.4
ESE
8
0.4
SSW
18
0.4
SSW
18
0.3
NW
11
0.4
NNW
12
0.4
NNW
10
0.3
NNW
10
0.4
SW
15
0.2
S
14
0.3
S
13
Energy kJ
78
167
62
151
99
85
46
71
69
90
11
21
106
102
18
46
35
18
58
14
31
Swell 3
Height (m)
Direction
Period (s)
0.5
S
15
0.5
E
8
0.5
E
8
0.3
SSW
13
0.3
SSW
13
0.3
SSW
12
0.2
SSW
12
0.2
SSW
14
0.2
SSE
9
0.4
SSW
13
0.3
SSW
13
0.3
SSW
13
0.2
SSW
10
0.4
NW
11
0.3
S
12
0.3
S
16
0.2
SSW
16
0.3
SW
16
0.2
S
11
0.2
S
11
0.2
SSW
18
Energy kJ
112
33
31
34
34
31
15
20
8
58
34
33
10
29
26
47
25
40
9
9
31
Wind waves
Height (m)
Direction
Period (s)
0.5
NE
4
0.6
NE
4
0.6
ENE
4
0.7
E
7
0.9
ENE
4
1.1
NE
5
1.4
NE
6
1.3
NE
6
1.1
NE
6
0.7
E
6
0.9
ENE
6
1.2
ENE
5
1.3
ENE
6
1.4
ENE
6
1.4
ENE
6
1.5
ENE
6
1.9
NE
6
1.9
ENE
7
2.2
ENE
7
2.2
ENE
7
2.2
ENE
7
Energy kJ
8
10
12
54
21
60
114
100
69
30
49
72
113
118
160
181
252
313
513
513
522
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
2
2
2
1
1
1
1
1
1
2
1
1
Distance (km)
0
7
7
1
1
1
1
1
1
33
33
33
32
126
31
126
155
32
42
155
155
Best forecast wave conditions in Oahu
Rating
(10 max)
4
1
4
3
3
3
1
2
2
2
2
3
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
3
4
3
3
4
3
2
4
2
2
3
2
1
3
3
2
2
2
2
3
Header Global
Rating
(10 max)
6
7
5
5
5
4
5
4
4
5
5
4
8
9
8
6
4
7
5
5
5
  • 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 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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