Bali Bay (Glen Reef) Surf Break

Lat Long: 33.95° S 18.38° E

Bali Bay (Glen Reef) Surf Forecast and Surf Report

Issued: 1 am 24 Jul 2026 (local time)

Forecast update in  hr  min

Today's Bali Bay (Glen Reef) sea temperature is
14.8° C
0.7° 

Bali Bay (Glen Reef) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Bali Bay (Glen Reef) surf forecast from 24 Jul 2026:

  • Best quality surf: Friday 24 Jul, 8AM (local time) - 11ft (3.5m), 15s period, SW swell with cross-offshore winds.
  • Most powerful swell: Monday 27 Jul, 11PM (local time) - 11ft (3.5m), 16s period, SSW swell with 6,251 kJ wave energy.
  • Next surfable swell (1★+): Friday 24 Jul, 8AM (local time) - 11ft (3.5m), 15s period with SW swell.

Best Forecast Surf Conditions for Bali Bay (Glen Reef) this week:

The surf forecast for Bali Bay (Glen Reef) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 24) at 8AM. The primary swell is predicted to be 3.5m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bali Bay (Glen Reef) in the next 16 days are 3.5m 16s and forecast to arrive on Monday (Jul 27) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Thursday (Jul 30) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 24th Jul)11ft (3.5m) 15s
Best Surf 8AM (Fri 24th Jul)11ft (3.5m) 15s
Most Powerful11PM (Mon 27th Jul)11ft (3.5m) 16s

Table - best surf conditions forecast for Bali Bay (Glen Reef) over the next 16 days.


The Lowdown

Righto, let’s have a look at what’s cookin’ for Bali Bay (Glen Reef). This is a reef break, intermediate-level, and it’s very consistent. The water’s sittin’ at 59°, which is about average for this time of year—nothing wild there.

The first window of proper surf is Friday the 24th of July, and it’s a big one. We’re talkin’ a solid 12 ft SW groundswell with a 14-second period, pumping a massive 4757 units of energy. That’s serious juice. But here’s the thing—it’s too big for this break. The wind’s glassy in the morning, which is a dream, but the swell is just too much. It’ll be a spectacle, but only for the absolute guns with a death wish. Afternoon the wind picks up cross-on and the swell drops a touch, but it’s still heavy and messy.

Saturday the 25th brightens up. The swell drops to 8 ft SW, period 13 seconds, and the wind goes light cross-offshore. That’s clean, groomed, and powerful. Energy is still strong at 1943. This is a solid day for experienced surfers—the reef will be firing, but you’ll need your wits about you. Sunday the 26th is smaller, around 7 ft, with cross-shore wind, not as clean, and the energy drops to 1476. It’s okay, but nothing special.

Then Monday the 27th brings a spike: 8 ft SW with a very long 17-second period, energy 4137. That’s a groundswell of the highest order. But the wind is a moderate cross-shore, so it’ll be a bit choppy. Long period like that at a reef break can be epic, but the wind is the spoiler. Tuesday the 28th is clean with cross-offshore wind, same size, period 15 seconds—still solid and powerful. Good for advanced crew.

The standout in this whole run? I’d say Friday the 31st of July morning. You’ve got 8 ft SW with a 16-second period, energy 3122, and light cross-offshore wind. The conditions are clean, the reef will be holding that long-period swell beautifully. It’s a bit of a wait, but that morning is your best bet. Saturday the 1st of August morning is also glassy with 7 ft SW, 14 seconds—clean, powerful, and less intense. A close second.

There’s a gap from Sunday the 2nd through Tuesday the 4th where the wind is cross or cross-on, and the swell is inconsistent in quality. Wednesday the 5th is nothing special. But Thursday the 6th of August morning is another cracker: 10 ft SW, 13 seconds, glassy. Energy 3120. That’s a big, clean swell—but again, 10 ft at a reef is only for the brave. It’s a standout for the second week, but less certain that far out.

Overall, the first week is dominated by a huge swell that’s too big for the spot, then a few clean windows for experienced surfers. The long-period swells are a plus for this reef—they’ll wrap in nicely—but the wind is the key. If you’re a capable surfer, the 25th, 28th, 31st, and 1st August mornings are your windows. The 6th August is a wildcard if you’re into heavy, glassy reef waves.

Peace out,
Rusty

Short Range Forecast

Mostly dry. Warm (max 20°C on Sun afternoon, min 12°C on Fri morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Tue afternoon, min 12°C on Tue morning). Winds decreasing (strong winds from the SSE on Mon afternoon, calm by Wed afternoon).

Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
3
4
4
3
4
3
3
2
2
2
3
3
3
4
4
2
3
3
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
SW
14
3
SW
14
2.5
SW
13
2.3
SW
13
2.5
SW
12
2.4
SW
12
2.1
SW
12
1.8
SW
11
1.5
SW
13
2.5
SW
17
2.5
SW
16
2.5
SW
16
2.5
SW
15
2.5
SW
14
2.2
SW
14
1.7
SW
13
1.6
SW
13
1.4
SW
13
1.3
SW
12
1.3
SW
12
1.1
SW
13
Wave Graph
Metric surfscale
Energy kJ
4757
3657
2412
1626
1801
1638
1193
808
723
4137
3263
3499
3135
2667
1891
991
821
649
486
479
444
Wind (km/h)
0
S
15
S
15
SSE
10
SE
10
SSE
10
SE
5
SSE
15
S
25
S
25
SSE
45
SSE
30
SE
25
ESE
15
SE
10
ESE
5
E
5
S
10
ESE
5
ENE
10
S
5
SE
Wind State
glassy
cross-on
cross
cross-off
cross
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
glassy
cross-on
cross-off
High Tide
12:19PM1.24m
00:26AM1.34m
1:18PM1.32m
1:19AM1.39m
2:01PM1.41m
2:01AM1.46m
2:36PM1.50m
2:37AM1.51m
3:08PM1.58m
3:10AM1.57m
3:37PM1.64m
3:42AM1.61m
4:06PM1.69m
4:13AM1.63m
Low Tide
6:13PM0.82m
6:58AM0.67m
7:14PM0.76m
7:42AM0.60m
8:00PM0.69m
8:18AM0.53m
8:36PM0.62m
8:50AM0.46m
9:09PM0.55m
9:20AM0.41m
9:41PM0.49m
9:49AM0.37m
10:11PM0.45m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:45
7:43
7:43
7:43
7:41
7:41
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:01
6:02
6:02
6:04
6:05
 mm
Temp °C
13
14
13
14
17
17
18
20
15
16
14
14
14
17
14
13
16
16
18
20
17
Feels °C
13
12
9
11
14
15
16
18
12
11
6
7
9
14
11
11
15
14
15
16
13
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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 Bali Bay (Glen Reef) Surf forecast

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

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