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 pm 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Bali Bay (Glen Reef) sea temperature is
13.4°C
2.3° 

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 1 Sep 2026:

  • Best quality surf: Tuesday 1 Sep, 8PM (local time) - 11ft (3.5m), 13s period, SW swell with cross-onshore winds.
  • Most powerful swell: Tuesday 1 Sep, 11PM (local time) - 11ft (3.5m), 14s period, SW swell with 3,949 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 1 Sep, 8PM (local time) - 11ft (3.5m), 13s 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 Tuesday (Sep 01) at 8PM. The primary swell is predicted to be 3.5m and 13s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Bali Bay (Glen Reef) in the next 16 days are 3.5m 14s and forecast to arrive on Tuesday (Sep 01) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Sep 08) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 1st Sep)11ft (3.5m) 13s
Best Surf 8PM (Tue 1st Sep)11ft (3.5m) 13s
Most Powerful11PM (Tue 1st Sep)11ft (3.5m) 14s

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


The Lowdown

G’day, I’m Rusty, and here’s the surf outlook for Bali Bay, the only break in the picture for the next stretch. There’s swell on the way, but the wind’s gonna mess with it some days, and other days it’ll be pure gold.

Starting off, Tuesday the 1st has a solid 10ft SW swell with a 13-second period, but the wind is cross-onshore from the SSW at 9 mph, leaving it choppy and messy. The wave energy is strong at 3415, but it’s not clean. Wednesday the 2nd is similar — 10ft SW swell, cross-onshore, and still a bit rough. Thursday the 3rd sees the swell drop to 8ft, but by the afternoon a 31 mph SE wind kicks in, turning it into near-gale conditions — that’s more of a kite-surfing day. Friday the 4th stays windy with 8ft swell, but the wind is cross-offshore, so the surface is clean, though the size and wind make it a tough paddle.

Saturday the 5th morning is a breath of fresh air. The swell drops to 6ft from the SSE with a short 8-second period. The wind is light and cross-offshore from the ESE at 9 mph, so the waves are clean and manageable. The wave energy is moderate at 550. It’s a fun size for intermediates, though the short period means it’s a bit crumbly — still a good session.

The real standout is Sunday the 6th morning. The swell picks up to 6ft from the SW with a very long 17-second period — that’s proper groundswell. The wind is almost glassy from the ESE at 3 mph, so it’s dead clean. The wave energy is 2647, packing plenty of punch. The reef at Bali Bay will handle this long-period swell well, giving you peeling waves. For experienced surfers, this is the pick of the lot. Crowds are sometimes a factor, so expect some company.

The rest of the first week and into the second fades out. Monday the 7th has smaller 4–4ft SW swell, with cross-shore breezes and a bit of chop. Wave energy is 852–933. Tuesday the 8th through Wednesday the 9th is small, with 2–3ft, and the wind shifts around — not great. Thursday the 10th morning gets a little lift: 6ft from the WSW with an 11-second period, light cross-offshore wind from the SE, and clean conditions. Wave energy is 686. It’s a decent session.

Friday the 11th and Saturday the 12th are small again, 4–5ft, with light cross-shore winds and marginal conditions. Sunday the 13th sees a bump to 6–7ft from the WSW, but it’s cross-onshore and choppy — wave energy is 2269, but it’s messy. Monday the 14th has clean cross-offshore wind but only 4–5ft of swell. The late call is for Wednesday the 16th: a big 8ft SW groundswell with a 15-second period, and the wind is very light from the S at 3 mph. The wave energy is 3051. That’s a powerful, glassy swell for experts only.

Water temperature is 56°F, which is 4°F colder than usual, so it’s properly chilly — bring the thick wetsuit.

Best windows: Sunday the 6th morning for clean, quality groundswell, and Wednesday the 16th morning for a big, clean swell if you’re an experienced surfer. The rest of the period is a mix of small, clean days and windy, choppy ones.

Rusty.

Short Range Forecast

Light rain (total 6mm), mostly falling on Thu morning. Very mild (max 16°C on Wed afternoon, min 12°C on Wed night). Winds increasing (calm on Wed night, near gales from the SSE by Thu afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Sun afternoon, min 11°C on Fri night). Winds decreasing (near gales from the SE on Fri afternoon, calm by Sun night).

Tue
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
!
3
1
4
3
0
1
1
0
2
3
2
4
4
2
3
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SW
13
3.5
SW
14
3
SW
13
3
SW
13
2.3
WSW
13
2.5
SW
12
3
S
9
3
S
9
2.5
SSE
9
2.3
SSE
8
2.2
SSE
8
1.7
SSE
8
1.7
SSE
8
1
SW
20
1.9
SW
17
1.5
SW
15
1.4
SW
14
1.1
WSW
13
1.3
SSW
13
1.4
SSW
12
Wave Graph
Metric surfscale
Energy kJ
3415
3844
3169
2682
1700
1829
1520
1314
994
672
532
347
337
753
1996
1033
742
434
534
522
Wind (km/h)
15
SSW
10
SSE
10
S
15
SSW
15
NNE
15
SSE
50
SE
40
SE
40
SE
50
SE
20
SE
15
ESE
20
SE
15
ESE
5
ESE
10
S
5
E
15
NNW
15
NNW
15
NNW
Wind State
cross-on
cross
cross-on
cross-on
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
glassy
cross
cross
cross-off
High Tide
5:44PM1.74m
6:07AM1.55m
6:26PM1.64m
6:55AM1.44m
7:19PM1.51m
8:01AM1.33m
8:36PM1.38m
9:45AM1.27m
10:31PM1.33m
11:38AM1.35m
00:11AM1.41m
12:50PM1.50m
1:14AM1.53m
Low Tide
11:59PM0.41m
12:04PM0.49m
00:44AM0.52m
12:52PM0.62m
1:46AM0.64m
2:06PM0.74m
3:24AM0.73m
4:12PM0.79m
5:18AM0.70m
6:02PM0.70m
6:35AM0.59m
7:09PM0.55m
clear
clear
clear
clear
clear
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
7:01
7:00
6:58
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:28
6:29
6:30
6:30
6:30
6:31
 mm
5
1
Temp °C
14
13
15
16
15
13
14
15
14
17
13
15
21
16
18
24
24
20
18
15
Feels °C
11
10
13
14
14
10
5
6
5
8
5
12
17
11
17
22
22
17
15
13
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  • 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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