Ranches Surf Break

Lat Long: 21.50° N 158.23° W

Ranches Surf Forecast and Surf Report

Issued: 7 pm 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Ranches sea temperature is
26.5° C
0.2° 

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


Ranches surf forecast from 20 Jul 2026:

  • Best quality surf: Saturday 25 Jul, 8PM (local time) - 6ft (1.8m), 8s period, NE swell with offshore winds.
  • Most powerful swell: Saturday 25 Jul, 8PM (local time) - 6ft (1.8m), 8s period, NE swell with 364 kJ wave energy.
  • Next surfable swell (1★+): Monday 20 Jul, 2AM (local time) - 3ft (0.9m), 6s 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 20) at 2AM. The primary swell is predicted to be 0.9m and 6s 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 1.8m 8s and forecast to arrive on Saturday (Jul 25) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Friday (Jul 24) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 20th Jul)3ft (0.9m) 6s
Best Surf 8PM (Sat 25th Jul)6ft (1.8m) 8s
Most Powerful 8PM (Sat 25th Jul)6ft (1.8m) 8s

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


The Lowdown

Alright, Rusty here. Let's break it down.

Alright, let's be straight with you – the next 16 days are a bit of a mixed bag, a real test of patience. There's no big, obvious standout that screams "drop everything and go," but there are a few windows where things get interesting. The first week is pretty quiet, with a lot of small, mushy days that are more about getting wet than getting shacked.

We start off on Monday, July 20th, with a small, weak little swell at the Ranches. It's a reef break, exposed to the NW, so it picks up what's out there. But the wave energy is weak, sitting at only 73 (combined energy), with a short period of 7 seconds. It's just not got any punch. The wind is a cross-offshore, which is fine, but the surf is poor. Not worth rushing out.

Tuesday, July 21st, is a bit of a different story. The swell is still tiny, only 3 feet from the NE, but the morning is glassy. I mean, dead flat calm. That's a huge positive. The wave energy is still low (54), but it's surfable. It's going to be clean, fun little waves for a log or a foamie. Afternoon brings some rain showers, but it stays glassy. This is the best of a bad bunch for the first few days.

Wednesday, July 22nd, throws a curveball. The swell height drops to 2 feet, but the period jumps to 17 seconds – that's a proper groundswell. The energy is actually moderate (195). But it's coming from the SW, which is not the optimum direction for this reef. It's a long-period swell, so it might be a bit too straight for a beach break, but on a reef, it could wrap in and offer some clean lines. The morning is offshore, so clean. It's a gamble, but a promising one.

Then we hit a real dry spell. From Thursday, July 23rd, all the way through to Friday, July 25th morning, there's no swell at all. The wave energy is zero. The wind is offshore, but with no waves, it's just a nice day for a walk on the beach.

Saturday, July 25th, we see a return of the swell. The morning brings 4 feet from the NE with a period of 8 seconds (moderate energy at 216), and the wind is offshore. The afternoon gets a bit bigger, 5 feet from the NE, but the wind picks up to 30 km/h. It's still offshore, but a fresh breeze. The surf is marginal, but it's the biggest we've seen.

Sunday, July 26th, is the pick of the weekend. The morning has 4 feet from the NE, 8-second period, and moderate energy (206). The wind is a moderate offshore. It's a 2-star day, the best score in the whole run. The swell direction is from the NE, which is the optimum for the break. This is the one to aim for. The afternoon, however, looks fresh and windy, so get out early.

After that, it's back to small and ordinary. Monday, July 27th, through to the end of the month, we have a lot of 3 feet or less, short-period swell, with a mix of cross-off and cross-on winds. Nothing to get excited about.

Thursday, July 30th, has a bit of a weird one. The swell is tiny (2 feet), but the period hits 18 seconds from the SW. The energy is actually strong (373). But the wind is a light cross-on, and it's a risk of thunderstorms. That's a lot of energy for a tiny wave, and the direction is wrong. A real tease.

Friday, July 31st, the morning is glassy with a 3 feet, 10-second period NE swell. The energy is moderate (110). It's surfable, but it's a one-star day. The afternoon gets cross-on again.

The first week of August is similar. Small, weak, and mostly onshore or cross-on. The only real glimmer is Tuesday, August 4th, where we get a 2 feet, 18-second period SW swell with an offshore wind. The energy is moderate (154). It's a classic long-period groundswell that might just do something on this reef, but it's a long way out, and it's tiny.

So, to wrap it up: the standout is Sunday, July 26th, morning at Ranches. Get out there early for the best conditions. The second best is Tuesday, July 21st, morning for the glassy, clean conditions on the small swell. The long-period swells on July 22nd and August 4th are a bit of a wildcard, but they're worth keeping an eye on.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Tue morning. Warm (max 28°C on Mon morning, min 24°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Thu morning, min 24°C on Fri night). Mainly fresh winds.

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
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
1
1
1
1
1
0
1
0
0
0
0
0
1
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
NE
6
0.9
NE
7
1.1
NE
7
0.9
NE
7
0.8
NE
7
0.8
NE
7
0.8
NE
7
0.5
SW
17
0.6
SSW
23
1
NE
6
0.8
SSW
20
0.7
SSW
20
1
SSW
18
0.7
SSW
18
0.9
SSW
17
1.3
NE
7
1.3
NE
8
1.6
NE
8
1.4
NE
8
Wave Graph
Metric surfscale
Energy kJ
59
73
109
75
54
55
55
143
0
83
0
0
0
0
0
176
216
284
253
Wind (km/h)
15
ENE
20
NE
25
NE
10
ENE
5
N
5
E
15
ENE
15
NE
10
NE
20
ENE
20
ENE
25
ENE
20
ENE
20
ENE
25
NE
25
ENE
25
NE
30
NE
20
NE
Wind State
off
cross-off
off
off
glassy
glassy
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
8:05PM0.40m
10:24AM0.40m
8:39PM0.31m
11:33AM0.46m
9:16PM0.24m
12:32PM0.51m
10:26PM0.19m
1:22PM0.55m
00:06AM0.16m
2:04PM0.59m
1:19AM0.15m
2:42PM0.62m
2:11AM0.16m
Low Tide
3:06AM0.03m
4:10PM0.27m
3:41AM0.04m
6:38PM0.26m
4:20AM0.05m
8:43PM0.21m
5:04AM0.05m
9:31PM0.17m
5:52AM0.05m
9:59PM0.14m
6:41AM0.04m
10:23PM0.12m
clear
part cloud
part cloud
clear
rain showers
rain showers
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
6:01
6:01
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:16
7:16
7:15
7:15
7:15
7:15
7:15
 mm
1
2
Temp °C
25
28
28
26
28
28
26
27
28
25
27
27
25
27
27
25
27
27
25
Feels °C
25
27
27
26
30
31
26
27
27
25
27
25
25
27
24
24
26
25
24
  • 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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