Ranches Surf Break

Lat Long: 21.50° N 158.23° W

Ranches Surf Forecast and Surf Report

Issued: 1 am 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Ranches sea temperature is
26.5° 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 27 Jul 2026:

  • Best quality surf: Friday 31 Jul, 2AM (local time) - 2ft (0.6m), 16s period, SW swell with offshore winds.
  • Most powerful swell: Friday 31 Jul, 2AM (local time) - 2ft (0.6m), 16s period, SW swell with 211 kJ wave energy.
  • Next surfable swell (1★+): Monday 27 Jul, 11AM (local time) - 3.5ft (1.1m), 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 (Jul 27) at 11AM. The primary swell is predicted to be 1.1m and 7s 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 0.6m 16s and forecast to arrive on Friday (Jul 31) at 2AM. 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 7s period and expected on Saturday (Aug 01) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 27th Jul)3.5ft (1.1m) 7s
Best Surf 2AM (Fri 31st Jul)2ft (0.6m) 16s
Most Powerful 2AM (Fri 31st Jul)2ft (0.6m) 16s

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


The Lowdown

Alright folks, Rusty here. Let's get straight into it. We've got Ranches on the table, and the outlook is a mixed bag. It's a reef setup, exposed, so it needs a decent push from the right direction to fire. We're looking at a 16-day window, but let me tell you, patience is the name of the game here.

The first half of this period is a struggle. From Monday, July 27th, right through to Thursday morning, August 6th, it's pretty grim. There are small windows with a clean 4ft NE swell (7 sec period) on Monday morning and a similar pulse on the 1st of August, but the conditions are just "very ordinary." The rest of that stretch is plagued by poor surf, small waves, or flat spells. That’s a solid ten days of head-scratching.

Then things start to get interesting. A new, longer-period groundswell shows up on Thursday, August 6th. It's a small 2ft SW swell, but with a period of 16 seconds, that's a very long period groundswell. The wave energy is moderate at 121, jumping to 201 by the afternoon. What’s key here is that the wind is gentle offshore from the ENE, going moderate offshore. For a reef break, this long-period energy should wrap in with proper shape and make for some surprisingly fun waves. This is the standout of the outlook. The water temp is about 80°, which is bang on average for this time of year.

That Thursday afternoon and into Friday, August 7th, sees the energy peak, with a 2ft W swell at 14-16 sec. Combined energy readings of 203 and 293 are a sign of real grunt for the size. Gentle-to-moderate offshore wind will have it clean. Saturday, August 8th, has a bigger 4ft NE swell showing up with 7-second period and energy of 234, but that's a less refined windswell compared to the Thursday-Friday long-period groundswell. The long-period groundswell (in the 16-second range) will be best on the reef here, as it might break a bit straight at a beach break. The biggest caveat is that Ranches can be inconsistent, and the long period will mean longer lulls.

After that flurry, the last few days into August 11th see a return to smaller, cleaner but unremarkable conditions. Swell drops to 3ft with 7-second period, light winds, and even some glassy conditions on Monday morning, August 10th, and Tuesday afternoon, August 11th. Nice, but you won't be scoring any bombs.

So, if you’ve got the time, aim for Thursday the 6th and Friday the 7th of August. That’s the real promise. The earlier stuff is a write-off. Patience.

Rusty

Short Range Forecast

Light rain (total 6mm), mostly falling on Wed night. Warm (max 28°C on Wed afternoon, min 25°C on Mon morning). Winds decreasing (fresh winds from the NE on Mon afternoon, calm by Wed morning).

Days 4-6 Weather Summary

Mostly dry. Warm (max 29°C on Fri afternoon, min 25°C on Thu night). Winds increasing (light winds from the S on Thu afternoon, fresh winds from the ENE by Sat afternoon).

Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
AM
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
0
0
0
1
0
0
2
0
0
0
0
0
0
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
NE
7
1.2
NNE
7
1.2
NNE
7
1.1
NNE
7
0.7
SSW
13
1
N
6
0.9
NNE
8
0.9
NNE
8
0.9
NE
8
0.5
SW
18
0.2
N
9
0.6
SW
16
0.3
N
8
0.4
N
8
0.3
N
8
1.2
NE
7
1.6
ENE
7
0.3
N
10
1.3
NE
7
0.7
N
6
0.7
NNE
6
Wave Graph
Metric surfscale
Energy kJ
126
142
134
117
0
78
109
123
84
154
6
211
13
21
11
139
0
17
151
38
39
Wind (km/h)
20
NE
30
NE
20
NE
30
NNE
30
NNE
15
NNE
10
WSW
15
S
5
ESE
10
SSW
10
NNE
15
ENE
15
E
20
ENE
25
E
25
ENE
30
ENE
25
ENE
20
ENE
25
NE
15
ENE
Wind State
off
cross-off
cross-off
cross-off
cross-off
cross-off
on
cross
cross-off
cross-on
cross-off
off
off
off
off
off
off
off
off
off
off
High Tide
3:49PM0.67m
3:30AM0.20m
4:19PM0.67m
4:09AM0.22m
4:49PM0.67m
4:48AM0.25m
5:18PM0.65m
5:31AM0.28m
5:46PM0.61m
6:17AM0.31m
6:15PM0.55m
7:09AM0.35m
6:44PM0.49m
Low Tide
8:09AM0.01m
11:07PM0.10m
8:49AM0.01m
11:29PM0.09m
9:27AM0.01m
11:52PM0.08m
10:06AM0.03m
00:16AM0.07m
10:47AM0.06m
00:40AM0.06m
11:32AM0.11m
1:06AM0.05m
12:24PM0.16m
1:33AM0.04m
part cloud
clear
part cloud
clear
clear
part cloud
clear
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
6:05
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:14
7:14
7:13
7:13
7:12
7:12
7:10
 mm
1
5
Temp °C
26
27
25
27
27
25
26
28
27
28
28
26
28
29
26
27
27
25
26
27
25
Feels °C
26
25
24
26
26
25
29
30
29
30
30
27
28
28
26
25
25
24
25
25
24
  • 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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