Makapu'u surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Friday 15 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Makapu'u surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Makapu'u sea temperature is
25.4° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Makapu'u this week:

The most powerful waves expected at Makapu'u in the next 16 days are 3.0m 8s and forecast to arrive on Thursday (May 21) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 11s period and expected on Saturday (May 16) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Thu 21st May)10ft (3.0m) 8s

Table - best surf conditions forecast for Makapu'u over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Sat afternoon. Warm (max 25°C on Sat afternoon, min 24°C on Fri night). Winds increasing (light winds from the ENE on Sat night, fresh winds from the ENE by Mon afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Mon night, min 23°C on Mon night). Mainly strong winds.

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Fri
22
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
ENE
8
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.7
ENE
8
1.9
ENE
8
1.9
ENE
8
1.7
ENE
8
1.9
ENE
7
2.1
ENE
7
2.4
ENE
7
2.5
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
Wave Graph
Metric surfscale
Energy kJ
364
394
404
402
330
280
394
438
438
345
373
408
563
821
1085
1098
1020
995
1357
931
935
Wind (km/h)
15
E
25
ENE
20
ENE
15
ENE
30
ENE
30
ENE
25
E
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
45
ENE
45
ENE
45
ENE
45
ENE
40
ENE
40
ENE
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
00:53AM0.34m
3:26PM0.70m
1:23AM0.30m
4:15PM0.71m
1:53AM0.28m
5:08PM0.69m
2:17AM0.25m
6:04PM0.66m
7:03PM0.62m
8:01PM0.58m
7:00AM0.16m
Low Tide
8:52PM0.20m
7:42AM-0.18m
9:53PM0.20m
8:21AM-0.19m
11:00PM0.21m
9:03AM-0.17m
00:21AM0.21m
9:49AM-0.14m
10:37AM-0.08m
11:31AM-0.02m
5:02AM0.14m
part cloud
clear
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:50
5:50
5:50
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:01
7:01
7:01
7:02
7:02
7:04
7:04
1
1
Temp °C
24
24
25
24
24
24
24
24
24
24
23
23
23
23
24
23
23
23
23
23
23
23
25
25
26
24
23
23
23
21
21
18
19
18
20
21
18
18
18
18
17
17
Swell 1
Height (m)
Direction
Period (s)
1.7
ENE
8
0.5
SW
15
1.8
ENE
8
1.7
ENE
8
0.5
SSW
15
1.5
ENE
8
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.8
SSW
15
0.6
SSW
15
0.6
SSW
14
0.5
SSW
14
0.4
SSW
13
0.5
S
16
0.5
S
16
0.5
S
15
0.5
S
14
0.4
SSW
14
Energy kJ
364
109
404
402
133
280
186
180
168
161
178
246
172
163
107
68
132
126
110
107
62
Swell 2
Height (m)
Direction
Period (s)
0.6
NNW
11
0.5
NW
11
0.5
NW
11
0.7
SSE
11
0.5
SSE
7
0.7
SSW
15
0.4
SSE
7
0.6
SSW
19
0.5
SSW
19
0.4
SSW
16
0.6
SSW
18
0.4
NNW
12
0.4
NNW
11
0.5
NNW
10
0.5
NNW
11
0.4
NNW
10
0.4
SSW
13
0.3
NNW
10
0.3
SSE
13
0.4
S
18
0.4
S
18
Energy kJ
87
59
58
103
26
193
15
248
214
91
207
54
45
62
65
43
56
19
32
101
97
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
13
0.3
SSE
10
0.5
SW
14
0.4
SSW
17
0.4
NNW
10
0.4
SSE
6
0.3
NNW
9
0.4
SSE
10
0.3
SSW
16
0.4
NW
12
0.4
NNW
12
0.3
SSE
10
0.3
NNW
12
0.3
SSW
18
0.3
SSW
18
0.4
SSW
16
0.3
NNW
10
0.3
SSW
12
0.2
NNW
10
0.3
NNW
11
0.4
NW
11
Energy kJ
45
21
100
96
42
14
17
33
50
36
52
19
30
63
60
91
19
28
9
23
33
Wind waves
Height (m)
Direction
Period (s)
1.8
ENE
8
1.6
ENE
8
1.3
ENE
8
1.7
ENE
8
1.9
ENE
8
1.9
ENE
8
1.7
ENE
8
1.9
ENE
7
2.1
ENE
7
2.4
ENE
7
2.5
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
Energy kJ
394
330
207
394
438
438
345
373
408
563
821
1085
1098
1020
995
1357
931
935
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
3
Distance (km)
8
25
18
8
49
22
49
49
55
50
55
58
55
55
60
63
110
114
110
113
217
Best forecast wave conditions in Oahu
Rating
(10 max)
2
1
3
2
1
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
1
4
3
1
2
4
4
2
5
3
3
4
4
4
3
3
1
3
2
4
Header Global
Rating
(10 max)
5
5
5
6
7
4
7
4
4
4
4
7
4
9
9
9
9
9
5
6
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 Makapu'u Surf forecast

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

Makapu'u is 13 km (8 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.

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