Ranches surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Friday 08 May 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
25.4° C
(Which is slightly warmer than usual)

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 Friday (May 08) at 8AM. The primary swell is predicted to be 1.7m and 12s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Ranches in the next 16 days are 1.7m 12s and forecast to arrive on Friday (May 08) at 8AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Saturday (May 09) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 8th May)5.5ft (1.7m) 12s
Best Surf 8AM (Fri 8th May)5.5ft (1.7m) 12s
Most Powerful 8AM (Fri 8th May)5.5ft (1.7m) 12s

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 27°C on Sun afternoon, min 23°C on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the NE by Sat afternoon).

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Mon morning, min 22°C on Tue night). Mainly fresh winds.

Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
2
2
1
0
2
2
1
2
2
2
2
1
0
2
2
2
2
2
2
3
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>
Wave
Height (m)
Direction
Period (s)
1.6
NW
12
1.5
NNW
12
1.3
NNW
11
0.9
NW
11
0.8
NW
11
0.8
NNW
11
1.1
NNW
10
1.3
N
10
1.3
NNW
12
1.3
N
11
0.8
NW
11
0.7
NW
11
1
NNE
7
1.1
NNE
7
1.3
NE
7
1.2
NNE
7
1.7
NNE
8
1.8
NE
8
1
NW
15
1
NW
14
1
NW
13
Wave Graph
Metric surfscale
Energy kJ
718
647
400
198
140
151
270
367
494
403
140
115
105
107
140
146
365
406
435
407
342
Wind (km/h)
5
NNW
20
NE
15
ENE
20
NE
30
NE
15
ENE
10
NE
25
NE
20
ENE
15
ENE
25
NE
15
ENE
25
ENE
30
NE
20
ENE
20
ENE
25
ENE
30
ENE
25
ENE
25
ENE
20
ENE
glassy
cross-off
off
cross-off
cross-off
off
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
10:32AM0.09m
9:57PM0.45m
11:45AM0.15m
10:49PM0.43m
12:32PM0.22m
11:37PM0.39m
1:12PM0.30m
00:23AM0.36m
1:50PM0.40m
1:09AM0.31m
2:29PM0.49m
1:54AM0.26m
3:10PM0.58m
2:39AM0.21m
Low Tide
1:48PM0.09m
5:50AM0.02m
3:32PM0.13m
6:15AM-0.01m
5:12PM0.14m
6:38AM-0.03m
6:35PM0.12m
7:02AM-0.06m
7:47PM0.10m
7:28AM-0.09m
8:52PM0.07m
7:58AM-0.12m
9:55PM0.04m
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:56
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:01
7:01
7:01
7:02
7:02
Temp °C
25
26
24
26
26
24
26
27
24
26
26
24
24
24
23
25
26
24
24
25
24
27
25
23
25
23
23
26
25
22
26
24
22
23
22
20
23
24
22
22
23
24
Swell 1
Height (m)
Direction
Period (s)
1.6
NW
12
1.5
NNW
12
1.3
NNW
11
0.9
NW
11
0.8
NW
11
1
N
6
1.1
NNW
10
1.3
N
10
1.3
NNW
12
1.3
N
11
0.8
NW
11
0.7
NW
11
0.5
SSW
16
0.6
NNW
10
0.7
NNW
10
0.6
NNW
9
0.4
SSW
14
0.6
NW
17
1
NW
15
1
NW
14
1
NW
13
Energy kJ
718
647
400
198
140
84
270
367
494
403
140
115
144
77
80
54
82
224
435
407
342
Swell 2
Height (m)
Direction
Period (s)
0.5
S
17
0.4
SSW
17
0.5
S
16
0.3
S
16
0.3
SSW
15
0.8
NNW
11
0.6
NE
6
0.5
NW
13
0.3
SSW
19
0.4
SSW
18
0.4
SSW
18
0.4
SSW
17
0.5
NW
10
0.5
S
16
0.3
S
15
0.4
S
14
0.3
NW
9
0.4
SSW
14
0.6
N
9
0.7
N
8
0.5
SW
16
Energy kJ
151
99
131
44
42
151
21
84
69
106
102
97
49
129
39
66
13
81
52
71
133
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
13
0.3
SSW
13
0.3
SSW
12
0.2
SSW
12
0.4
SW
14
0.4
NW
13
0.4
NW
13
0.4
SE
7
0.3
SSW
11
0.4
SE
6
0.4
SE
7
0.3
ESE
6
0.4
NNW
11
0.4
SE
6
0.3
SSW
15
0.4
SE
7
0.2
S
14
0.3
S
13
0.4
SSW
14
0.4
SW
14
0.4
N
9
Energy kJ
34
35
30
14
54
44
63
12
23
11
11
8
42
10
42
13
14
31
76
47
24
Wind waves
Height (m)
Direction
Period (s)
0.6
E
5
0.9
NNE
6
1.3
NNE
6
0.7
E
6
0.8
E
6
1.1
E
6
1.1
E
6
1
NNE
7
1
NNE
7
1
NNE
7
1.1
NNE
7
1.3
NE
7
1.2
NNE
7
1.7
NNE
8
1.8
NE
8
1.5
NE
7
1.4
NE
8
1.3
NE
8
Energy kJ
17
75
140
30
40
78
85
85
85
105
107
140
146
365
406
237
223
181
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
3
Distance (km)
0
2
0
2
5
0
0
8
0
0
0
0
0
154
0
0
0
154
154
156
0
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
2
2
2
2
2
2
2
2
2
2
1
2
2
2
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
4
2
2
4
2
2
3
3
3
3
1
2
2
2
2
3
2
2
3
Header Global
Rating
(10 max)
6
5
5
5
4
4
4
9
4
4
9
5
9
9
5
9
8
6
9
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 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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