Sandy Beach Surf Break

Lat Long: 21.29° N 157.67° W

Issued: 7 pm 03 Jul 2026 (local time)

Forecast update in  hr  min

Today's Sandy Beach sea temperature is
26.4° C

Normal for this time of year

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


Sandy Beach surf forecast from 4 Jul 2026:

  • Most powerful swell: Monday 6 Jul, 5AM (local time) - 7.5ft (2.3m), 7s period, ENE swell with 560 kJ wave energy.

Best Forecast Surf Conditions for Sandy Beach this week:

The most powerful waves expected at Sandy Beach in the next 16 days are 2.3m 7s and forecast to arrive on Monday (Jul 06) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 15s period and expected on Saturday (Jul 04) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5AM (Mon 6th Jul)7.5ft (2.3m) 7s

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


Updates in  hr  min  s Forecast update imminent

Hey folks, Rusty here, talking about Sandy Beach over the next 16 days. I’m not gonna sugarcoat it—this whole period looks rough. The wind’s stuck out of the ENE, blowing cross-shore at 20-25 mph most days, and that’s just wrecking any chance of clean surf. The forecast reads “poor surf conditions” the whole way through, and I don’t see a single window where it turns on. No standout days here.

Let’s break it down. Starting Saturday, July 4th, clear skies but a 19 mph cross-wind from the ENE. Swell is 6 ft from the ENE, short 8-second period, combined energy around 899—moderate, but that wind’s making a mess. Saturday afternoon drops to 2 ft from the south with a long 20-second period, energy 872, but the wind picks up to 22 mph and it’s lumpy chop. No good.

Sunday the 5th, same: 25 mph cross-winds, 3 ft swell from the SSW at 18 seconds, energy around 900. Total chop. Monday the 6th through Thursday the 9th, the swell bumps up to 7-8 ft from the ENE, but with a short 7-second period—weak, crumbly under 22-25 mph cross-winds. Energy readings in the 400-900 range, but quality is zero.

By Friday the 10th, energy dips to 299—weak. Still cross-winds. The pattern holds all the way to Saturday, July 18th, with swell between 2 ft and 6 ft, periods either short (7-8 seconds) or long (15-18 seconds), but that constant ENE cross-wind never lets up. Water temp anomaly isn’t given, so I can’t say if it’s warm or cold for July.

There’s no day to recommend. Sandy Beach (Sandy’s) is a fairly consistent spot exposed to ESE swell, but the wind direction is just awful for the entire 16 days. This is a total blank run—sometimes the forecast just locks you into a bad wind pattern. With combined swell energy never topping 1000 (moderate at best, often weak), and the wind never blowing offshore or going light, it’s a bust. For paddle surfing, leave the board at home. If you’ve got a kite, those 22-25 mph cross-winds might be fun at a beach setup, but for a surfboard, forget it.

Rusty, out.

Short Range Forecast

Mostly dry. Warm (max 25°C on Sat afternoon, min 24°C on Fri night). Mainly strong winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Thu morning, min 24°C on Mon night). Mainly strong winds.

Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Fri
10
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
ENE
8
1.7
ENE
8
0.7
S
20
0.8
SSW
19
0.8
SSW
18
0.8
SSW
18
2.2
ENE
7
2.1
ENE
7
2.2
ENE
8
2
ENE
8
2.3
ENE
7
1.9
ENE
8
2.2
ENE
7
1.8
ENE
7
1.7
ENE
7
1.8
ENE
7
1.8
ENE
7
1.7
ENE
7
1.5
ENE
7
1.3
ENE
7
1.5
ENE
7
Wave Graph
Metric surfscale
Energy kJ
345
336
377
486
418
408
475
456
551
428
560
411
526
363
310
312
325
302
228
183
228
Wind (km/h)
35
ENE
30
ENE
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
40
ENE
35
ENE
30
ENE
35
ENE
35
ENE
35
ENE
40
ENE
35
NE
Wind State
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
cross
High Tide
6:20AM0.24m
6:04PM0.58m
7:31AM0.29m
6:38PM0.51m
8:45AM0.37m
7:16PM0.44m
9:53AM0.45m
8:03PM0.36m
10:53AM0.55m
9:06PM0.28m
11:46AM0.64m
10:28PM0.22m
12:36PM0.72m
Low Tide
1:11AM0.05m
11:08AM0.12m
1:41AM0.04m
12:14PM0.19m
2:11AM0.02m
1:48PM0.25m
2:44AM0.01m
3:55PM0.27m
3:22AM-0.01m
6:02PM0.24m
4:05AM-0.03m
7:30PM0.18m
4:54AM-0.05m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:54
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
7:15
7:15
7:15
7:15
 mm
Temp °C
24
24
25
24
24
24
24
24
25
24
24
24
24
24
24
24
25
25
24
25
25
Feels °C
21
21
22
21
21
20
20
20
21
20
19
20
20
20
20
21
22
22
21
21
22
Swell 1
Height (m)
Direction
Period (s)
0.5
SSW
16
0.7
SSW
16
0.7
S
20
0.8
SSW
19
0.8
SSW
18
0.8
SSW
18
0.9
SSW
16
0.8
SSW
16
0.9
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
13
0.6
S
13
0.6
S
12
0.6
S
12
0.5
S
12
0.5
S
12
0.4
W
14
Energy kJ
146
212
377
486
418
408
371
337
402
284
280
273
250
189
187
125
112
112
75
71
65
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
12
0.6
S
21
0.6
SSW
16
0.4
SSW
14
0.6
SSW
14
0.4
SSW
14
0.3
SSW
13
0.2
SSE
9
0.2
SSE
9
0.2
SSE
9
0.2
SSE
8
0.1
SE
8
0.2
SSE
8
0.2
SSE
8
0.3
SSE
8
0.2
W
15
0.2
W
15
0.2
W
14
0.2
W
13
0.4
W
14
0.4
SSW
11
Energy kJ
59
326
162
69
138
79
34
8
8
8
7
3
7
7
13
17
17
14
14
64
42
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
22
0.2
SSW
16
0.3
SSW
11
0.4
SW
15
0.2
SSE
11
0.2
SSE
11
0.2
SSE
10
0.2
SSW
13
0.1
W
10
0.1
SW
9
0.1
SE
10
0.1
S
10
0.1
W
18
0.1
S
18
0.1
SE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSW
21
0.4
SW
21
Energy kJ
164
25
23
54
11
11
9
17
2
3
4
2
6
6
3
6
6
6
45
110
Wind waves
Height (m)
Direction
Period (s)
1.7
ENE
8
1.7
ENE
8
1.6
ENE
8
1.6
ENE
7
1.8
ENE
8
2
ENE
7
2.2
ENE
7
2.1
ENE
7
2.2
ENE
8
2
ENE
8
2.3
ENE
7
1.9
ENE
8
2.2
ENE
7
1.8
ENE
7
1.7
ENE
7
1.8
ENE
7
1.8
ENE
7
1.7
ENE
7
1.5
ENE
7
1.3
ENE
7
1.5
ENE
7
Energy kJ
345
336
310
279
362
405
475
456
551
428
560
411
526
363
310
312
325
302
228
183
228
Nearest Offshore or Glassy
Rating
(10 max)
2
3
1
3
3
3
3
2
1
1
2
2
2
2
1
1
1
1
1
1
1
Distance (km)
47
48
55
47
55
61
48
59
111
110
55
57
47
55
55
47
48
61
55
55
110
Best forecast wave conditions in Oahu
Rating
(10 max)
2
3
3
3
3
3
3
2
2
2
2
2
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
3
3
2
2
3
2
2
4
2
2
4
1
1
4
1
3
Header Global
Rating
(10 max)
5
5
5
9
6
5
6
8
7
5
5
9
8
9
9
5
7
5
4
8
4
  • 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 Sandy Beach Surf forecast

The above surf forecast table for Sandy Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sandy Beach can be found by selecting the local surf guide option on the grey menu. Our Sandy Beach 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 (Sandy Beach) 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 Sandy Beach 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.

Sandy's Beach is 15 km (9 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.

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