Ranches surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 pm Wednesday 22 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Ranches surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ranches sea temperature is
24.7° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Ranches this week:

The surf forecast for Ranches over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 22) at 5PM. The primary swell is predicted to be 1.2m and 13s period with a secondary swell of 1.1m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Ranches in the next 16 days are 1.2m 13s and forecast to arrive on Wednesday (Apr 22) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Tuesday (Apr 28) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Wed 22nd Apr)4ft (1.2m) 13s
Best Surf 5PM (Wed 22nd Apr)4ft (1.2m) 13s
Most Powerful 5PM (Wed 22nd Apr)4ft (1.2m) 13s

Table - best surf conditions forecast for Ranches over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 26°C on Thu afternoon, min 22°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light.

Wed
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
4
3
3
0
1
1
1
2
2
2
3
2
1
2
2
1
1
2
2
2
2
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.2
NNW
13
1.1
NW
13
0.9
NW
12
0.8
NNW
12
0.9
NNE
10
0.9
NNE
9
0.8
NNE
9
1
NNE
9
0.9
NW
13
0.9
NNW
13
0.9
NNW
12
0.9
NNW
12
0.9
NNW
11
0.9
NW
11
0.8
NNW
11
0.7
NW
10
0.5
SW
13
0.6
NW
15
0.9
NW
14
0.7
NNW
15
0.9
NNW
14
Wave Graph
Metric surfscale
Energy kJ
465
364
209
180
154
133
113
144
253
299
251
251
227
172
149
112
83
176
288
201
352
Wind (km/h)
10
N
10
ENE
15
NNE
25
NNE
20
NE
15
NE
20
NE
25
NE
10
NE
30
NE
15
ENE
5
NW
25
NE
10
ENE
5
WNW
5
ESE
10
E
5
NE
10
NE
15
E
15
ENE
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
glassy
off
off
glassy
cross-off
cross-off
glassy
cross-off
off
off
High Tide
9:41PM0.55m
11:06AM0.09m
10:47PM0.52m
12:26PM0.16m
11:47PM0.48m
1:18PM0.23m
00:37AM0.43m
1:58PM0.31m
1:21AM0.38m
2:34PM0.38m
1:59AM0.33m
3:06PM0.45m
2:34AM0.28m
Low Tide
5:52AM-0.01m
2:50PM0.07m
6:34AM-0.02m
4:38PM0.10m
7:07AM-0.04m
6:10PM0.11m
7:33AM-0.05m
7:23PM0.10m
7:57AM-0.06m
8:25PM0.09m
8:18AM-0.07m
9:19PM0.08m
8:38AM-0.07m
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
thunderstorm
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
6:05
6:05
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:54
6:54
6:55
6:55
6:55
6:57
6:57
2
Temp °C
25
25
25
26
23
25
26
24
25
26
24
25
26
24
25
26
25
25
26
24
25
27
26
25
25
22
24
25
23
25
25
23
26
27
23
27
27
26
26
26
24
24
Swell 1
Height (m)
Direction
Period (s)
1.2
NNW
13
1.1
NW
13
0.9
NNE
11
0.8
NNE
11
0.6
NNW
12
0.9
NNE
9
0.6
W
12
1
NNE
9
1
NNE
8
0.9
NNW
13
0.9
NNW
12
0.9
NNW
12
0.9
NNW
11
0.9
NW
11
0.8
NNW
11
0.8
NE
8
0.7
NE
7
0.6
NW
15
0.9
NW
14
0.7
NW
13
0.9
NNW
14
Energy kJ
465
364
183
128
88
133
113
144
128
299
251
251
227
172
149
69
47
176
288
161
352
Swell 2
Height (m)
Direction
Period (s)
1.1
NNE
12
1
NNE
12
0.9
NW
12
0.8
NNW
12
0.4
WNW
15
0.6
W
13
0.4
NW
11
0.6
NNW
12
0.9
NW
13
0.9
NNE
8
0.9
NNE
8
0.8
NNE
8
0.8
NNE
7
0.7
NE
7
0.7
NE
7
0.7
NW
10
0.6
NNW
10
0.5
NW
10
0.5
SW
12
0.7
NNW
15
0.8
NE
6
Energy kJ
383
260
209
180
71
126
29
94
253
103
95
72
68
53
53
112
69
49
71
201
49
Swell 3
Height (m)
Direction
Period (s)
0.7
W
13
0.6
W
13
0.6
W
13
0.5
W
12
0.5
W
12
0.4
NNW
11
0.4
NW
13
0.5
W
12
0.5
SW
15
0.6
SW
16
0.6
SW
15
0.7
SW
14
0.7
SW
14
0.6
SW
14
0.6
SSW
13
0.6
SSW
13
0.5
SW
13
0.5
SW
12
0.4
NW
10
0.4
SW
12
0.4
SW
12
Energy kJ
173
121
116
77
72
47
44
70
113
196
176
214
211
153
118
114
83
73
25
36
35
Wind waves
Height (m)
Direction
Period (s)
0.6
NE
4
0.9
NNE
10
0.5
E
5
0.8
NNE
9
0.4
ENE
4
0.5
E
4
0.5
E
4
0.5
E
4
0.5
E
5
0.3
E
2
0.9
NE
7
0.9
NE
6
0.8
NE
6
Energy kJ
10
154
11
90
6
8
6
10
11
1
63
61
54
Nearest Offshore or Glassy
Rating
(10 max)
4
4
3
3
2
2
2
2
2
3
3
3
2
2
2
1
1
2
1
2
2
Distance (km)
9
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Oahu
Rating
(10 max)
4
4
3
3
2
2
2
2
2
3
3
3
2
2
2
1
2
2
1
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
4
3
3
2
3
2
2
2
3
3
3
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
9
5
5
4
5
5
4
5
4
4
6
7
9
5
5
6
6
8
8
5
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 Ranches Surf forecast

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

Ranches is 22 km (14 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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