Ranches Surf Break

Lat Long: 21.50° N 158.23° W

Issued: 7 am 06 Jul 2026 (local time)

Forecast update in  hr  min

Today's Ranches sea temperature is
26.6° C

Slightly warmer than usual

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


Ranches surf forecast from 7 Jul 2026:

  • Best quality surf: Sunday 12 Jul, 2AM (local time) - 3ft (0.9m), 17s period, SW swell with offshore winds.
  • Most powerful swell: Sunday 12 Jul, 2AM (local time) - 3ft (0.9m), 17s period, SW swell with 439 kJ wave energy.
  • Next surfable swell (1★+): Monday 6 Jul, 11PM (local time) - 4.5ft (1.4m), 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 06) at 11PM. The primary swell is predicted to be 1.4m 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 0.9m 17s and forecast to arrive on Sunday (Jul 12) 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 1.6m 7s period and expected on Wednesday (Jul 08) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 6th Jul)4.5ft (1.4m) 7s
Best Surf 2AM (Sun 12th Jul)3ft (0.9m) 17s
Most Powerful 2AM (Sun 12th Jul)3ft (0.9m) 17s

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


Updates in  hr  min  s Forecast update imminent

Alright, folks, Rusty here with a look at what’s on the table for Ranches. This reef set-up is an advanced-only kind of spot, exposed to the NW swell, but we’ve got a solid run of offshore winds blowing. Water temp is sitting at a comfy 80°, which is pretty much average for this time of year.

Right off the bat, from Monday the 6th through to Friday the 10th, it’s a bit of a slow starter. Swell is hanging around 4ft to 5ft from the NE, with periods around 7 seconds – that’s weak, short-period windswell. The energy is moderate at best (219-205 on the scale), and the conditions are clean with offshore winds, but the waves are just ordinary. Not much to get excited about, just small, crumbly lines. Saturday the 11th sees a slight bump to 5ft, still NE, and the winds hold offshore, but the energy is still moderate (261) and the wave quality is only "good". Nothing special.

Then things start to get interesting. On Sunday the 12th, we see a shift. Swell drops to a modest 3ft, but it swings around to the SW and the period jumps to a massive 16 seconds. That’s a proper groundswell, and for a reef like Ranches, that’s where it shines. The energy ramps way up into the strong range (632), and with moderate offshore winds from the NE, the surface will stay clean. This is the standout session of the whole run. Monday the 13th is very similar – 3ft of SW groundswell at 15 seconds (energy at 525) and gentle offshore winds. The waves will be longer-lined, more powerful, and less frequent, which makes paddling out easier. Crowds are possible at Ranches, but with that quality, expect company. This is the best on offer.

After that, the swell fades and shifts. Tuesday the 14th through to Thursday the 16th sees small west swell (2ft to 2ft) with periods still around 14-16 seconds, so the energy remains moderate (462 down to 226). Winds stay offshore, so it’ll be clean and fun for an advanced reef break, but the size is small. From Friday the 17th onwards, it gets ordinary again – small NE windswell (2ft to 3ft), short periods (6-7 seconds), and the energy drops away (179 down to 26 by the 20th). By Monday the 20th and Tuesday the 21st, it’s poor, with barely any energy and cross-off winds. That’s the end of the run.

So to wrap it up: the first week is mostly small and average, but Sunday the 12th and Monday the 13th are the real highlights – a long-period SW groundswell hitting a reef with clean offshore wind. That’s your window. After that, it’s a slow fade out.

Rusty.

Short Range Forecast

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

Days 4-6 Weather Summary

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

Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
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)
1
1
2
1
1
1
1
1
1
1
1
1
1
2
2
2
2
3
3
3
3
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
NE
7
1.4
NE
8
1.3
NE
8
1.6
NE
8
1.4
NE
7
1.3
NE
7
1.2
NE
7
1.3
NE
7
1.1
NE
7
1.2
NE
7
1.2
NE
7
1.1
NE
7
1.1
NE
7
1.4
NE
7
1.3
NE
7
1.4
NE
7
1.3
NE
7
0.9
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
Wave Graph
Metric surfscale
Energy kJ
209
221
200
267
209
171
156
171
130
151
151
105
136
205
179
198
189
439
376
367
353
Wind (km/h)
30
ENE
30
NE
20
ENE
25
NE
25
ENE
20
ENE
15
ENE
25
ENE
20
ENE
15
ENE
20
ENE
15
ENE
20
ENE
25
ENE
20
ENE
20
ENE
25
NE
20
ENE
20
NE
25
NE
15
ENE
Wind State
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
10:02AM0.32m
8:37PM0.38m
11:10AM0.40m
9:21PM0.30m
12:11PM0.49m
10:20PM0.23m
1:05PM0.58m
11:38PM0.17m
1:56PM0.66m
1:00AM0.14m
2:44PM0.73m
2:10AM0.13m
3:31PM0.77m
3:12AM0.14m
Low Tide
2:53PM0.23m
3:47AM-0.00m
4:53PM0.25m
4:24AM-0.02m
7:01PM0.23m
5:06AM-0.04m
8:35PM0.17m
5:54AM-0.06m
9:36PM0.12m
6:46AM-0.08m
10:22PM0.07m
7:39AM-0.09m
11:03PM0.04m
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:56
5:56
5:56
5:56
5:56
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:19
7:19
7:19
7:19
7:19
7:19
7:17
 mm
Temp °C
26
26
25
25
26
24
27
27
24
27
28
25
27
27
25
25
26
25
26
27
25
Feels °C
23
23
23
22
23
23
27
25
23
27
27
25
28
26
25
24
25
25
26
25
25
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
13
0.7
S
13
0.6
S
12
0.6
S
12
0.5
S
12
0.5
S
12
0.4
SSW
11
0.6
SSW
19
0.6
SSW
18
0.7
SW
18
0.9
SW
17
0.9
SW
16
0.9
SW
16
1.2
NE
8
Energy kJ
446
402
355
350
273
254
243
187
168
112
110
75
70
40
251
218
316
439
376
367
164
Swell 2
Height (m)
Direction
Period (s)
0.3
SSE
9
0.2
SSE
9
0.2
SSE
9
0.3
SE
6
0.2
SSE
8
0.2
SSE
9
0.1
SE
9
0.3
SSE
8
0.2
SSE
5
0.1
SE
8
0.2
SSE
6
0.2
SSE
8
0.3
W
14
0.4
SW
21
0.5
S
11
0.4
S
12
0.4
S
12
0.4
W
13
0.3
S
11
0.4
SSE
12
0.9
SW
16
Energy kJ
17
7
7
5
7
7
3
13
3
2
3
6
36
108
63
44
44
54
22
47
353
Swell 3
Height (m)
Direction
Period (s)
0.2
NNW
10
0.2
S
20
0.1
NW
9
0.2
SSE
8
0.1
S
10
0.1
N
8
0.1
S
18
0.2
W
15
0.2
W
14
0.2
W
14
0.2
W
13
0.2
SSW
21
0.3
S
13
0.4
W
13
0.4
W
14
0.4
W
13
0.4
S
11
0.3
W
12
0.3
W
12
0.4
SSE
12
Energy kJ
10
30
3
7
2
1
6
17
16
15
13
45
29
55
63
54
39
27
26
47
Wind waves
Height (m)
Direction
Period (s)
1.4
NE
7
1.4
NE
8
1.3
NE
8
1.6
NE
8
1.4
NE
7
1.3
NE
7
1.2
NE
7
1.3
NE
7
1.1
NE
7
1.2
NE
7
1.2
NE
7
1.1
NE
7
1.1
NE
7
1.4
NE
7
1.3
NE
7
1.4
NE
7
1.3
NE
7
1.3
NE
7
1.4
NE
8
1.4
NE
8
1.4
E
8
Energy kJ
209
221
200
267
209
171
156
171
130
151
151
105
136
205
179
198
189
171
229
232
251
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
3
1
1
1
1
1
1
1
1
2
2
2
2
3
3
3
3
Distance (km)
156
154
0
156
153
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Oahu
Rating
(10 max)
2
1
1
1
1
1
1
1
1
2
2
2
2
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
3
4
1
2
4
1
2
1
1
2
3
3
2
3
3
3
3
Header Global
Rating
(10 max)
7
5
5
9
8
9
7
7
6
6
6
5
5
4
5
5
4
9
7
5
7
  • 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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