Makapu'u surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Monday 18 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
25.5° C
(Which is normal for this time of year)

How big are the waves at Makapu'u today?

The current surf forecast for Makapu'u at 12AM is: 1.6m 8s primary swell from a East-northeast direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 18). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (19 May)--
Afternoon (19 May)6ft (1.9m)8s
Evening (19 May)5.5ft (1.7m)8s

Table - waves today at Makapu'u. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

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

Mon
18
Tuesday
19
Wednesday
20
Thu
21
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 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
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.9
ENE
8
1.8
ENE
8
1.7
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
2
ENE
8
2.2
ENE
8
2.4
ENE
8
2.4
ENE
8
2.4
ENE
8
2.5
ENE
8
2.5
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
438
394
344
295
295
295
266
308
324
356
384
404
497
570
695
730
782
865
939
1055
1221
1173
1173
1271
Wind (km/h)
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
40
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
5:08PM0.69m
2:17AM0.25m
6:04PM0.66m
7:03PM0.62m
Low Tide
00:21AM0.21m
9:49AM-0.14m
10:37AM-0.08m
11:31AM-0.02m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
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>
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:02
7:02
7:04
Temp °C
24
24
24
24
24
24
24
24
24
24
24
24
23
23
24
23
23
23
23
23
23
23
23
23
21
22
22
22
23
22
22
22
21
21
21
21
20
19
20
18
18
18
18
17
17
17
17
17
Swell 1
Height (m)
Direction
Period (s)
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.6
SSW
14
0.8
SSW
15
0.8
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.5
SSW
14
0.5
SSW
14
0.5
SSW
13
0.4
SSW
13
0.5
S
16
0.5
S
16
0.5
S
16
0.4
SSW
16
Energy kJ
168
163
161
161
166
175
178
163
246
249
167
172
167
163
163
158
107
105
101
68
134
132
132
85
Swell 2
Height (m)
Direction
Period (s)
0.5
SSW
19
0.3
SSW
16
0.4
NW
12
0.4
SSW
16
0.4
SSW
17
0.6
SSW
18
0.6
SSW
18
0.4
NNW
12
0.4
NNW
12
0.4
NNW
11
0.4
NNW
11
0.4
NNW
11
0.5
NNW
12
0.5
NNW
12
0.5
NNW
10
0.5
NNW
11
0.5
NNW
11
0.5
NNW
11
0.4
NNW
11
0.4
NNW
10
0.4
NNW
10
0.3
NNW
10
0.4
SSW
13
0.3
SSW
12
Energy kJ
214
51
37
91
96
207
207
55
54
46
47
45
77
78
62
65
65
65
44
43
39
19
56
30
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
16
0.3
NW
12
0.3
SSW
16
0.3
SSE
10
0.4
SW
18
0.4
NW
11
0.4
NNW
12
0.4
SSW
18
0.3
SSE
10
0.3
SSE
10
0.3
SSE
10
0.3
NNW
12
0.3
SW
16
0.3
SW
16
0.3
SSW
18
0.3
SSW
18
0.4
SSW
18
0.3
SSW
18
0.4
SSW
17
0.4
SSW
16
0.3
SSW
13
0.3
SSW
13
0.3
NNW
10
0.3
NNW
10
Energy kJ
50
23
51
18
80
31
52
102
18
18
18
30
41
41
63
62
102
61
100
91
34
33
19
19
Wind waves
Height (m)
Direction
Period (s)
1.9
ENE
8
1.8
ENE
8
1.7
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
2
ENE
8
2.2
ENE
8
2.4
ENE
8
2.4
ENE
8
2.4
ENE
8
2.5
ENE
8
2.5
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
Energy kJ
438
394
344
295
295
295
266
308
324
356
384
404
497
570
695
730
782
865
939
1055
1221
1173
1173
1271
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
2
2
2
1
2
2
2
2
1
2
2
2
2
1
1
1
1
1
2
1
Distance (km)
55
49
49
49
49
49
49
49
55
49
49
49
49
55
56
60
60
63
63
63
110
113
62
114
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
2
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
4
3
2
4
4
4
5
3
3
2
2
3
4
3
3
3
3
3
4
3
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
5
5
5
4
4
4
5
5
5
4
5
4
4
4
5
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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