Ranches Surf Break

Lat Long: 21.50° N 158.23° W

Ranches Surf Forecast and Surf Report

Issued: 7 am 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ranches sea temperature is
27.1°C
0.1° 

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


Ranches surf forecast from 6 Sep 2026:

  • Best quality surf: Monday 7 Sep, 2PM (local time) - 5ft (1.6m), 12s period, SW swell with cross-offshore winds.
  • Most powerful swell: Monday 7 Sep, 2PM (local time) - 5ft (1.6m), 12s period, SW swell with 706 kJ wave energy.
  • Next surfable swell (1★+): Monday 7 Sep, 2AM (local time) - 3ft (0.9m), 7s period with NE 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 (Sep 07) at 2AM. The primary swell is predicted to be 0.9m and 7s 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 1.6m 12s and forecast to arrive on Monday (Sep 07) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 13s period and expected on Tuesday (Sep 08) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 7th Sep)3ft (0.9m) 7s
Best Surf 2PM (Mon 7th Sep)5ft (1.6m) 12s
Most Powerful 2PM (Mon 7th Sep)5ft (1.6m) 12s

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


The Lowdown

Alright, let’s get into it. The outlook for Ranches starts off pretty grim – there’s nothing worth paddling out for during the first few days. Sunday the 6th and Monday the 7th are a write-off, with next to no swell and just messy conditions. Tuesday the 8th sees a jump in size up to 6ft from the WSW, but that’s paired with a strong cross-shore wind and lumpy chop – it’s more of a kite-surfing kind of scene than a clean paddle session. The combined energy ramps up to 637 (moderate to strong), but the quality just isn’t there.

We get a little glimmer of hope on Wednesday the 9th afternoon, when the wind drops to glassy and there’s a small 3ft NW swell with a 10-second period – it’s surfable but honestly very ordinary. That glassy calm returns Thursday morning the 10th, with 3ft from the NE, but the period is a short 7-seconds, so the waves are weak and disorganised. The water’s 81°, which is about average for this time of year.

The first real standout peeks through on Saturday the 12th afternoon – a sneaky 2ft swell from the SW but with a long 16-second period, pushing the combined energy to 209 (moderate). The wind is light and clean, so it’ll be tidy. For a reef break like Ranches, those long-period SW swells can line up nicely, especially with the optimum direction being NW – this is a bit off-angle but still promising. Sunday the 13th morning is another decent window: 3ft from the NE, clean offshore winds, and moderate energy (219). It’s not big, but it’ll be fun for the advanced crew.

The real highlight though, looks like Monday the 14th afternoon. We’ve got a tiny 2ft swell again, but the period is a very long 22 seconds – that’s proper groundswell. The combination of that long-period energy and moderate offshore wind means the reef will focus the swell into clean, lined-up waves. The combined energy sits at 301 (moderate to strong) despite the small height. This is the best on offer in the whole outlook, but it’s only for the experienced.

Looking into the second week, there’s a similar little window on Friday the 18th morning – another 2ft SW swell with an 18-second period, clean offshore wind, and combined energy of 219. It’s a carbon copy of the earlier good windows, so keep an eye out. Then Sunday the 20th morning offers a 3ft W swell with 13-second period, glassy conditions, and higher energy at 290 – could be a nice way to wrap things up, but by the afternoon the wind turns cross-shore and it gets choppy.

Overall, Ranches is mostly on the smaller side, with a couple of those sneaky long-period groundswell windows that really deliver for a reef. Don’t expect big waves – just well-shaped, clean, and quiet if you pick the right hours.

Rusty

Short Range Forecast

Moderate rain (total 13mm), heaviest on Sun night. Warm (max 29°C on Sun afternoon, min 25°C on Sun night). Winds decreasing (fresh winds from the SE on Mon night, calm by Tue night).

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Wed afternoon. Warm (max 29°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light.

Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
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
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SSW
12
0.6
N
6
0.9
NE
7
1.5
SSW
12
1
NE
7
4.5
SSW
13
1.8
WSW
10
1.2
W
9
0.8
WNW
8
0.9
WNW
10
0.9
NW
10
0.8
NW
9
0.8
NE
7
0.8
NE
7
0.7
NE
7
0.7
NE
8
0.8
NE
7
0.7
NE
7
0.8
NE
7
0.5
SW
16
0.9
NE
8
Wave Graph
Metric surfscale
Energy kJ
0
25
82
0
107
0
637
219
90
192
160
91
62
59
47
63
65
49
60
124
91
Wind (km/h)
15
ENE
15
E
10
NE
20
E
25
SE
35
SE
30
S
20
S
5
SSE
10
WNW
0
SSE
10
E
5
ENE
20
NE
15
E
5
NE
15
ENE
15
ENE
15
ENE
10
NE
15
ENE
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-on
glassy
cross-off
glassy
off
off
off
off
off
off
cross-off
off
High Tide
1:20PM0.69m
1:41AM0.23m
2:07PM0.70m
2:29AM0.29m
2:48PM0.69m
3:11AM0.36m
3:25PM0.66m
3:52AM0.42m
3:59PM0.61m
4:31AM0.47m
4:32PM0.54m
5:11AM0.51m
5:02PM0.47m
Low Tide
8:49PM0.10m
6:43AM0.07m
9:15PM0.08m
7:44AM0.06m
9:40PM0.06m
8:39AM0.06m
10:04PM0.05m
9:30AM0.07m
10:28PM0.04m
10:20AM0.10m
10:51PM0.04m
11:10AM0.13m
11:14PM0.05m
part cloud
part cloud
thunderstorm
rain showers
thunderstorm
rain showers
rain showers
clear
thunderstorm
clear
rain showers
rain showers
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:18
6:18
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:43
6:42
6:40
6:39
6:39
6:38
 mm
4
2
2
3
1
1
3
1
Temp °C
28
29
26
27
29
27
27
27
27
27
28
27
28
29
25
27
28
25
27
28
25
Feels °C
29
30
27
27
31
25
26
27
30
31
33
30
31
32
23
28
29
25
28
29
25
  • 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
How to use the Wavefinder 
submit an eyeball surf report

Quick surf report for Ranches:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ranches surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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.

Nearest locationNearest