Surf Break

Lat Long: 21.50° N 158.23° W

Ranches Surf Forecast and Surf Report

Issued: 7 am 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Ranches sea temperature is
27.1°C
0.3° 

Ranches surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Ranches surf forecast from 17 Oct 2026:

  • Best quality surf: Sunday 18 Oct, 5AM (local time) - 2.5ft (0.7m), 13s period, N swell with offshore winds.
  • Most powerful swell: Saturday 17 Oct, 5PM (local time) - 5ft (1.5m), 11s period, N swell with 516 kJ wave energy.
  • Next surfable swell (1★+): Saturday 17 Oct, 8PM (local time) - 3.5ft (1.0m), 10s period with NNW swell.

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 Saturday (Oct 17) at 8PM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.5m and 16s. Another secondary swell of 1.0m and 7s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Ranches in the next 16 days are 1.5m 11s and forecast to arrive on Saturday (Oct 17) at 5PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Wednesday (Oct 21) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sat 17th Oct)3.5ft (1.0m) 10s
Best Surf 5AM (Sun 18th Oct)2.5ft (0.7m) 13s
Most Powerful 5PM (Sat 17th Oct)5ft (1.5m) 11s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Sat afternoon, min 25°C on Sat morning). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 28°C on Wed afternoon, min 24°C on Tue night). Wind will be generally light.

Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
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)
3
2
2
3
2
2
2
2
2
1
0
0
1
1
1
1
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
N
11
1.5
N
11
1.3
NE
7
1
N
12
1
N
12
0.8
NNW
11
0.7
N
11
1.2
NE
8
1.1
NE
7
0.5
N
10
0.4
NNW
10
0.4
N
10
0.9
NE
7
1
NE
7
0.8
NE
8
0.6
NE
8
0.6
NW
12
0.6
NW
12
0.6
NW
11
0.6
NW
11
0.6
NW
10
Wave Graph
Metric surfscale
Energy kJ
606
516
191
284
274
158
119
169
137
55
34
31
91
105
79
45
84
110
94
92
87
Wind (km/h)
25
NE
25
ENE
25
ENE
25
ENE
30
ENE
20
ENE
20
ENE
25
ENE
20
ENE
25
ENE
25
ENE
20
E
15
ENE
20
ENE
10
E
0
NNE
25
ENE
10
ENE
10
ENE
15
ENE
20
ENE
Wind State
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
glassy
off
off
off
off
off
High Tide
9:43AM0.55m
11:22PM0.18m
10:47AM0.54m
00:22AM0.22m
11:41AM0.53m
00:59AM0.28m
12:25PM0.52m
1:30AM0.34m
1:04PM0.51m
2:02AM0.42m
1:39PM0.48m
2:35AM0.49m
2:14PM0.45m
3:10AM0.57m
Low Tide
6:25PM0.15m
2:08AM0.19m
6:50PM0.13m
4:06AM0.21m
7:10PM0.11m
5:34AM0.20m
7:28PM0.09m
6:41AM0.19m
7:46PM0.07m
7:38AM0.16m
8:05PM0.04m
8:31AM0.15m
8:27PM0.02m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
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6:28
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6:30
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6:30
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6:30
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6:31
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6:31
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:06
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—
6:06
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6:05
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6:04
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6:02
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6:02
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6:01
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 mm
—
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—
—
—
—
—
—
—
—
—
—
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Temp °C
26
27
25
26
27
25
27
27
25
26
27
25
27
28
25
27
28
25
27
27
25
Feels °C
24
24
25
24
24
24
27
25
24
24
25
23
26
26
25
29
28
25
28
27
26
  • 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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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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