Ripps Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Sunday 17 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
25.3° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Ripps Reef this week:

The most powerful waves expected at Ripps Reef in the next 16 days are 2.5m 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 0.3m 15s period and expected on Sunday (May 17) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Thu 21st May)8ft (2.5m) 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

Some drizzle, heaviest during Mon night. Warm (max 25°C on Sun morning, min 23°C on Tue night). Winds increasing (light winds from the E on Sun morning, fresh winds from the ENE by Tue night).

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 24°C on Wed morning, min 23°C on Wed morning). Mainly strong winds.

Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
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)
1.4
ENE
8
1.4
ENE
8
2.1
ENE
8
1.8
ENE
8
1.8
ENE
8
1.6
ENE
8
1.6
E
7
1.7
ENE
6
1.9
ENE
8
2.1
ENE
8
2.4
ENE
8
2.3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.4
ENE
8
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.4
ENE
8
Wave Graph
Metric surfscale
Energy kJ
256
256
533
437
427
333
269
253
449
534
707
686
804
803
844
745
727
836
759
817
789
Wind (km/h)
15
E
20
ENE
25
E
25
ENE
25
ENE
25
E
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
40
ENE
35
ENE
35
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
cross-on
on
on
cross-on
cross-on
on
cross-on
High Tide
4:08PM0.84m
1:51AM0.35m
5:00PM0.83m
2:16AM0.33m
5:56PM0.79m
6:54PM0.74m
7:52PM0.69m
6:59AM0.23m
8:44PM0.64m
9:50AM0.28m
9:28PM0.59m
Low Tide
8:15AM-0.21m
11:07PM0.31m
8:56AM-0.19m
00:30AM0.32m
9:40AM-0.14m
10:28AM-0.07m
11:22AM0.02m
4:22AM0.22m
12:29PM0.12m
4:38AM0.16m
2:02PM0.22m
4:59AM0.11m
clear
clear
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
rain showers
rain showers
clear
clear
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>
7:02
7:02
7:04
7:04
7:05
7:05
7:05
1
1
2
Temp °C
25
25
24
24
24
24
24
24
24
24
24
23
24
24
23
23
23
23
24
24
23
28
26
24
23
23
24
23
23
22
22
21
19
20
20
18
18
19
18
20
19
18
Swell 1
Height (m)
Direction
Period (s)
1.4
ENE
8
1.4
ENE
8
0.3
NNW
9
0.2
SSW
14
0.3
SSW
16
0.3
NW
11
0.4
NNW
12
0.4
NNW
11
0.4
NNW
11
0.4
NNW
10
0.5
NNW
11
0.4
NNW
10
0.3
NNW
10
0.3
NNW
10
0.3
SSW
15
0.4
NW
12
0.4
NNW
11
0.4
NNW
11
0.4
NW
10
0.4
NW
10
0.4
NW
14
Energy kJ
256
256
17
20
48
19
54
47
45
42
65
43
19
19
42
36
49
47
28
27
52
Swell 2
Height (m)
Direction
Period (s)
0.4
NNW
10
0.4
NNW
10
0.2
SSW
15
0.2
NNW
13
0.2
NNW
12
0.2
SSW
14
0.3
SSW
14
0.3
SSW
17
0.3
NNW
12
0.2
SSW
14
0.2
SSW
14
0.2
S
16
0.2
S
16
0.2
SSW
16
0.2
NNW
9
0.2
S
14
0.2
S
14
0.3
S
16
0.3
S
16
0.3
S
15
0.4
NW
10
Energy kJ
41
38
21
18
15
18
40
59
30
21
19
21
20
24
8
16
14
47
45
39
25
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
6
0.3
SSE
7
0.2
NNW
15
0.2
NNW
9
0.2
NNW
9
0.2
NNW
13
0.2
SSW
18
0.1
SE
10
0.3
SSW
15
0.3
NNW
12
0.2
S
18
0.2
SSW
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
12
0.2
S
18
0.2
S
13
0.2
S
13
0.1
SE
12
0.3
S
15
Energy kJ
8
10
22
8
8
17
30
4
42
29
24
17
17
17
16
14
25
14
13
5
38
Wind waves
Height (m)
Direction
Period (s)
2.1
ENE
8
1.8
ENE
8
1.8
ENE
8
1.6
ENE
8
1.6
E
7
1.7
ENE
6
1.9
ENE
8
2.1
ENE
8
2.4
ENE
8
2.3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.4
ENE
8
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.4
ENE
8
Energy kJ
533
437
427
333
269
253
449
534
707
686
804
803
844
745
727
836
759
817
789
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
2
1
2
2
2
2
2
1
2
3
1
1
2
2
1
1
1
Distance (km)
19
36
36
37
37
36
37
41
37
41
44
46
45
208
44
134
199
46
129
130
130
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
1
2
2
1
2
2
2
2
2
1
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
4
5
4
3
4
3
3
5
4
3
3
3
4
3
3
2
2
1
2
3
Header Global
Rating
(10 max)
6
4
5
4
4
4
4
4
4
5
4
5
5
4
4
5
6
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)
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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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