Acids surfForecast / NSW – Illawarra / Australia

information circle12 Day Weather and Surf, issued 4 am Saturday 17 Jan 2026 AEDT
Forecast update in hr  min  s Forecast update imminent
Acids surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Acids sea temperature is
22.2° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Acids this week:

The surf forecast for Acids over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 20) at 11PM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 0.1m and 14s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Acids in the next 12 days are 4.0m 10s and forecast to arrive on Saturday (Jan 17) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 20th Jan)10ft (3.0m) 10s
Best Surf11PM (Tue 20th Jan)10ft (3.0m) 10s
Most Powerful11AM (Sat 17th Jan)13ft (4.0m) 10s

Table - best surf conditions forecast for Acids over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 69mm), heaviest during Sun morning. Warm (max 22°C on Mon afternoon, min 18°C on Sat night). Mainly fresh winds.

Days 3-6 Weather Summary Moderate rain (total 14mm), heaviest on Tue morning. Warm (max 21°C on Tue afternoon, min 17°C on Thu night). Winds decreasing (fresh winds from the SSE on Tue afternoon, light winds from the SW by Thu night).

Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
!
!
!
2
2
1
3
2
1
3
Swell
Height Map
Wave Height (m) & direction (?)
4
ESE
4
ESE
3.5
ESE
3.5
ESE
3
ESE
2.1
SE
1.9
SE
1.8
SE
1.6
SE
2
SE
2.5
SE
3
ESE
3
ESE
3
ESE
2.5
ESE
2.3
ESE
2.2
ESE
2.1
ESE
2.1
ESE
2
E
1.8
E
Period(s) (?)101099989998910101010101010101111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)34062666223721511658625529486393517115117321904152611601024892880907934762
Wind
(km/h)
30
SE
30
SE
30
SE
25
SE
30
SE
25
SE
15
SE
20
SE
20
SSE
25
SSE
30
SSE
25
SSE
25
S
30
S
20
S
20
S
20
SSE
10
SW
5
E
15
E
5
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscrosscross-
off
ononglass
High Tide
/ height (m)
8:07AM
1.51
8:50PM
1.00
8:46AM
1.56
9:28PM
1.03
9:23AM
1.59
10:05PM
1.07
9:59AM
1.60
10:43PM
1.11
10:36AM
1.58
11:21PM
1.15
11:13AM
1.53
12:02AM
1.19
11:53AM
1.45
12:46AM
1.24
Low Tide
/ height (m)
3:00PM
0.22
2:12AM
0.38
3:36PM
0.17
2:52AM
0.35
4:11PM
0.13
3:31AM
0.33
4:45PM
0.11
4:12AM
0.33
5:18PM
0.10
4:54AM
0.34
5:53PM
0.10
5:41AM
0.37
6:29PM
0.13
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise6:00--6:01--6:01--6:03--6:03--6:05--6:05--
Sunset-8:10--8:09--8:09--8:08--8:08--8:08--8:07-
thunderstorm
mod rain
thunderstorm
heavy rain
mod rain
rain showers
part cloud
clear
rain showers
rain showers
thunderstorm
rain showers
light rain
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
Rain (mm)
108221664--35351--------
Temp. °C202019192019212220202119202119212119212219
Feels °C (?)171715161815192018171716161616171717212019
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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Information about the Acids Surf forecast

The above surf forecast table for Acids provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Acids can be found by selecting the local surf guide option on the grey menu. Our Acids 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 (Acids) 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 Acids 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.

Are you planning a holiday in Illawarra? If you are looking for accommodation near Acids, camping, hotels and holiday cottages in Illawarra, consider staying in Wollongong which is 3 km (2 miles) away. Other places in and around Illawarra where you can find information about places to rent, and car hire include Port Kembla which is 9 km (6 miles) away, Engadine, Caringbah and Cronulla.

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