Ripps Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 am Wednesday 20 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Ripps Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ripps Reef sea temperature is
25.6° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Ripps Reef this week:

The most powerful waves expected at Ripps Reef in the next 16 days are 3.0m 8s and forecast to arrive on Thursday (May 21) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 16s period and expected on Thursday (May 21) 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 Ripps Reef over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

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

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Sat morning. Warm (max 24°C on Sun morning, min 22°C on Sat night). Mainly strong winds.

Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
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
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
Wave
Height (m)
Direction
Period (s)
2
E
8
2.3
ENE
8
2.5
ENE
8
2.5
ENE
8
3
ENE
8
3
ENE
8
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.5
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.3
ENE
8
2.2
ENE
8
2
ENE
8
2.1
ENE
8
1.8
ENE
8
1.6
ENE
8
1.8
ENE
8
1.9
ENE
8
Wave Graph
Metric surfscale
Energy kJ
522
702
871
933
1071
1072
891
808
857
956
1068
869
817
731
634
500
506
372
294
372
389
Wind (km/h)
35
ENE
35
ENE
40
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
30
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
High Tide
6:54PM0.74m
7:52PM0.69m
6:59AM0.23m
8:44PM0.64m
9:50AM0.28m
9:28PM0.59m
11:24AM0.37m
10:04PM0.53m
12:20PM0.47m
10:32PM0.48m
1:00PM0.55m
10:56PM0.44m
Low Tide
10:28AM-0.07m
11:22AM0.02m
4:22AM0.22m
12:29PM0.12m
4:38AM0.16m
2:02PM0.22m
4:59AM0.11m
3:49PM0.29m
5:20AM0.06m
5:22PM0.32m
5:39AM0.01m
6:39PM0.34m
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
rain showers
part cloud
rain showers
part cloud
clear
part cloud
part cloud
part cloud
rain showers
rain showers
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:50
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:05
7:05
7:05
7:06
7:06
7:07
1
1
3
1
Temp °C
24
24
23
24
23
23
23
23
23
23
23
23
24
24
23
24
23
23
24
24
23
21
21
19
20
18
18
18
18
19
19
18
19
20
20
19
21
20
20
21
21
19
Swell 1
Height (m)
Direction
Period (s)
0.5
NNW
10
0.5
NNW
11
0.4
NNW
10
0.3
NNW
10
0.2
NNW
10
0.3
SSW
15
0.4
NW
10
0.4
NW
11
0.4
NW
11
0.4
NW
16
0.6
NNW
15
0.6
NNW
13
0.6
NNW
12
0.6
NNW
12
0.5
NW
11
0.4
NW
11
0.4
NW
11
0.3
NW
10
0.2
S
13
0.2
S
12
0.3
S
14
Energy kJ
62
65
42
19
9
42
27
30
30
67
148
120
101
96
61
30
29
16
13
12
37
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
15
0.2
SSW
14
0.2
S
17
0.2
S
16
0.3
SSW
16
0.2
NNW
10
0.2
S
14
0.2
S
14
0.3
S
16
0.4
NW
10
0.3
S
15
0.3
S
15
0.3
S
13
0.3
S
13
0.3
S
14
0.3
S
14
0.3
S
13
0.3
S
13
0.2
NNW
10
0.2
NNW
10
0.2
NNW
14
Energy kJ
21
19
22
20
48
10
16
14
47
27
39
38
32
32
37
36
32
31
9
9
20
Swell 3
Height (m)
Direction
Period (s)
0.1
S
18
0.2
S
18
0.2
SSW
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
S
18
0.2
S
18
0.2
S
13
0.3
S
16
0.4
NW
10
0.2
NNW
10
0.2
S
16
0.2
S
16
0.1
S
21
0.1
S
20
0.1
S
20
0.1
S
17
0.2
S
16
0.2
S
16
0.2
NNW
9
Energy kJ
6
24
17
17
17
16
25
25
14
45
26
9
21
20
8
7
7
5
21
20
8
Wind waves
Height (m)
Direction
Period (s)
2
E
8
2.3
ENE
8
2.5
ENE
8
2.5
ENE
8
3
ENE
8
3
ENE
8
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.5
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.3
ENE
8
2.2
ENE
8
2
ENE
8
2.1
ENE
8
1.8
ENE
8
1.6
ENE
8
1.8
ENE
8
1.9
ENE
8
Energy kJ
522
702
871
933
1071
1072
891
808
857
956
1068
869
817
731
634
500
506
372
294
372
389
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
3
3
1
1
1
3
1
2
1
1
1
1
1
1
1
Distance (km)
42
45
130
134
132
129
199
199
42
132
160
41
151
46
41
41
45
37
44
46
41
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
3
2
2
2
2
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
2
3
3
2
3
3
3
2
1
2
3
2
2
3
2
2
4
1
1
4
Header Global
Rating
(10 max)
4
5
5
5
7
6
5
5
9
6
5
5
4
4
4
5
4
4
4
4
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 Ripps Reef Surf forecast

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

Ripps Reef is 4 km (2 miles) from Kane'ohe. If you plan a vacation in Oahu, look for hotels and other accommodation in Kane'ohe. Kane'ohe has rooms for a wide range of budgets as well as car hire and transport links.

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