Number Threes surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 am Monday 11 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
25.6° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Number Threes this week:

The most powerful waves expected at Number Threes in the next 16 days are 2.1m 7s and forecast to arrive on Thursday (May 14) 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 1.7m 6s period and expected on Monday (May 11) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Thu 14th May)7ft (2.1m) 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 Mon morning, min 23°C on Mon morning). Mainly strong winds.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Fri night. Warm (max 25°C on Fri morning, min 23°C on Thu morning). Mainly fresh winds.

Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
1
1
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SSW
18
0.4
SSW
18
1.6
E
6
1.7
ENE
6
1.6
ENE
6
2.1
E
7
1.9
ENE
7
2
ENE
7
2.1
E
7
1.9
ENE
7
1.7
ENE
7
1.5
ENE
8
1.6
ENE
8
1.7
ENE
8
1.8
ENE
8
1.9
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
Wave Graph
Metric surfscale
Energy kJ
62
102
206
253
195
420
342
340
478
355
286
234
308
327
384
452
336
314
314
322
350
Wind (km/h)
35
ENE
35
ENE
35
ENE
40
ENE
40
ENE
35
ENE
40
ENE
40
ENE
35
ENE
35
ENE
30
ENE
25
ENE
15
E
35
ENE
25
ENE
35
ENE
25
ENE
20
ENE
25
ENE
40
ENE
30
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
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
12:52PM0.34m
00:03AM0.39m
1:30PM0.43m
00:49AM0.34m
2:09PM0.52m
1:34AM0.29m
2:50PM0.61m
2:19AM0.24m
3:34PM0.68m
3:06AM0.19m
4:19PM0.72m
3:56AM0.15m
5:08PM0.74m
4:50AM0.11m
Low Tide
6:17PM0.12m
6:44AM-0.06m
7:29PM0.10m
7:10AM-0.09m
8:34PM0.07m
7:40AM-0.12m
9:37PM0.04m
8:12AM-0.13m
10:38PM0.02m
8:47AM-0.15m
11:40PM0.00m
9:26AM-0.14m
00:43AM-0.00m
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
thunderstorm
thunderstorm
clear
part cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:52
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:00
7:00
7:01
7:01
7:02
2
2
Temp °C
24
24
24
24
24
23
24
24
23
24
24
24
25
24
24
24
25
24
25
25
24
21
21
20
19
19
18
20
20
18
20
20
22
25
23
21
21
22
23
24
25
21
Swell 1
Height (m)
Direction
Period (s)
0.4
NNW
11
0.4
NNW
11
0.8
N
7
0.5
S
16
0.5
S
16
0.4
NNW
10
0.4
S
14
0.4
SSW
14
0.4
SW
14
0.5
NW
15
0.6
NNW
15
1.5
ENE
8
0.6
NNW
13
0.5
SW
16
1.8
ENE
8
1.7
ENE
8
1.6
ENE
8
1.6
ENE
8
0.7
SSW
15
0.7
SSW
15
1.6
ENE
8
Energy kJ
47
45
57
127
124
37
66
82
54
109
142
234
106
124
384
353
336
314
204
193
350
Swell 2
Height (m)
Direction
Period (s)
0.3
SSW
18
0.4
SSW
18
0.4
SSW
17
0.4
NNW
11
0.4
NNW
10
0.3
S
15
0.4
SW
15
0.3
N
9
0.3
N
8
0.4
SW
14
0.3
N
8
0.6
NNW
14
0.5
SW
16
0.5
NW
12
0.4
SW
16
0.5
SW
15
0.5
SW
14
0.4
SSE
11
0.4
SSE
11
0.4
SSW
21
0.7
SSW
14
Energy kJ
62
102
97
40
33
39
57
16
13
53
12
121
124
71
64
104
102
43
47
180
186
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
10
0.2
S
12
0.3
NW
11
0.3
S
16
0.2
S
11
0.4
SW
16
0.2
NNW
9
0.2
S
14
0.3
NW
16
0.3
N
8
0.4
SW
14
0.4
SW
17
0.3
SSE
11
0.3
SSE
11
0.4
SW
13
0.3
SSE
6
0.4
SSW
16
0.4
SSW
17
0.3
SW
15
0.4
SSE
11
0.3
SSE
10
Energy kJ
10
11
18
47
9
65
9
14
42
12
47
70
24
24
45
6
89
112
33
45
20
Wind waves
Height (m)
Direction
Period (s)
1.3
ENE
5
1.5
ENE
5
1.6
E
6
1.7
ENE
6
1.6
ENE
6
2.1
E
7
1.9
ENE
7
2
ENE
7
2.1
E
7
1.9
ENE
7
1.7
ENE
7
1.6
ENE
8
1.7
ENE
8
1.9
ENE
8
1.6
ENE
8
1.6
ENE
8
Energy kJ
95
120
206
253
195
420
342
340
478
355
286
308
327
452
314
322
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
2
1
1
1
1
2
2
2
1
3
1
1
2
3
1
1
2
1
Distance (km)
32
126
32
39
48
39
39
45
32
32
126
2
33
31
31
39
1
31
31
33
31
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
1
1
1
1
2
3
3
3
2
2
2
3
2
2
2
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
3
2
1
3
1
1
4
3
2
3
3
2
5
2
3
4
4
4
7
Header Global
Rating
(10 max)
9
5
9
9
5
6
8
5
5
5
5
5
5
4
7
4
5
7
4
4
8
  • 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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