Ranches Surf Break

Lat Long: 21.50° N 158.23° W

Ranches Surf Forecast and Surf Report

Issued: 1 pm 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ranches sea temperature is
26.9° C
0.4° 

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


Ranches surf forecast from 4 Aug 2026:

  • Best quality surf: Saturday 8 Aug, 8AM (local time) - 1.5ft (0.5m), 19s period, SW swell with offshore winds.
  • Most powerful swell: Saturday 8 Aug, 8AM (local time) - 1.5ft (0.5m), 19s period, SW swell with 175 kJ wave energy.
  • Next surfable swell (1★+): Monday 3 Aug, 5PM (local time) - 2.5ft (0.8m), 6s period with NNE 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 Monday (Aug 03) at 5PM. The primary swell is predicted to be 0.8m and 6s period. 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 0.5m 19s and forecast to arrive on Saturday (Aug 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 1.3m 7s period and expected on Sunday (Aug 09) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Mon 3rd Aug)2.5ft (0.8m) 6s
Best Surf 8AM (Sat 8th Aug)1.5ft (0.5m) 19s
Most Powerful 8AM (Sat 8th Aug)1.5ft (0.5m) 19s

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


The Lowdown

Alright, let’s get into the goods for Ranches. This is a reef set-up, wide open to the swell, and it’s a spot that demands respect.

We’re looking at a slow start, no doubt. The first few days are slim pickings. Monday the 3rd has some tiny 3ft waves from the NNE, but a cross-off breeze messes it up. Tuesday and Wednesday are flat and not worth a second look. You’re looking at a few days of snoozeville.

Now, things get real around Saturday the 8th. A serious long-period groundswell is due in from the SW. The swell is small, only about 2ft, but the period is a massive 18 seconds, which is very long. The energy (combined energy of 205) brings proper, lined-up waves, and with a gentle offshore wind in the morning, it’ll be clean as a whistle. The water temp is sitting around 80°, which is about average for this time of year.

The absolute standout is Sunday the 9th. The morning session is the one. That long-period SW swell is still pumping with a 16-second period, carrying a combined energy of 219, and a light offshore wind from the ENE will have the surface looking like glass. The waves might be small, but on a reef like this, that’s the good stuff. It’s an advanced break, and crowds are possible, so you’ll want to be early.

The week after that mixes up smaller, shorter-period NE swells, and then a new run of longer-period W swells hits from Thursday the 13th. The morning of Friday the 14th shows a bump in swell to 4ft, but it’s short period at 7 seconds, so it won’t have the same grunt.

Looking further out, the weekend of the 15th and 16th has more W groundswell (periods of 14 to 16 seconds) with clean offshore winds, giving you moderate wave energy (combined energy around 370-395). Those are the ones to watch, but they’re a little further out, so keep an eye on the charts. For the best, that Sunday the 9th is your target. The swell direction is from the SW, right where this break wants it.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Wed afternoon. Warm (max 28°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

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

Mon
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
1
1
1
1
1
0
0
1
0
2
2
1
2
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)
0.8
NNE
6
0.7
NNE
6
0.5
NNE
6
0.4
SW
16
0.6
NNE
5
0.6
NE
10
0.6
NE
9
0.6
NE
9
0.6
NE
8
0.6
NE
8
0.4
NNW
7
0.5
NE
7
0.5
SW
14
0.4
SSW
19
0.5
SW
18
0.5
SW
18
1
NE
7
0.5
SW
16
0.9
NE
7
0.8
NE
7
Wave Graph
Metric surfscale
Energy kJ
44
28
18
0
19
79
55
50
54
41
18
27
91
0
162
154
91
130
89
73
Wind (km/h)
15
NNE
15
ENE
0
W
5
SW
10
ENE
0
NW
5
NE
10
ENE
5
NE
10
NE
15
ENE
5
NE
15
NE
10
ENE
15
ENE
20
NE
20
ENE
15
ENE
20
NE
15
E
Wind State
cross-off
off
glassy
glassy
off
glassy
cross-off
off
glassy
cross-off
off
glassy
cross-off
off
off
off
off
off
off
off
High Tide
7:15PM0.41m
9:16AM0.44m
7:47PM0.33m
10:31AM0.50m
8:27PM0.26m
11:44AM0.57m
9:50PM0.19m
12:47PM0.64m
11:52PM0.16m
1:42PM0.70m
1:19AM0.16m
2:30PM0.75m
2:22AM0.19m
Low Tide
2:04AM0.04m
3:10PM0.27m
2:41AM0.03m
5:37PM0.27m
3:28AM0.03m
7:57PM0.21m
4:26AM0.02m
8:52PM0.16m
5:32AM0.01m
9:27PM0.12m
6:38AM-0.01m
9:58PM0.08m
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:07
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:09
7:09
7:08
7:07
7:07
7:07
 mm
1
1
Temp °C
28
25
27
26
26
27
27
26
27
27
26
27
28
26
27
28
25
26
27
25
Feels °C
28
25
30
28
28
30
29
27
30
31
27
30
29
27
27
27
26
28
27
25
  • Map Icons:
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  • 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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