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Surf Forecasts:

Derrs surf break

Derrs surfForecast / WA – Perth City / Australia

information circle48hr Weather and Surf, issued 1 am Friday 21 Nov 2025 AWST
Forecast update in hr  min  s Forecast update imminent
Derrs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Derrs sea temperature is
20.7° C
 (Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Derrs today?

The current surf forecast for Derrs at 9AM is: 0.8m 12s primary swell from a West-southwest direction and 0.3m 16s secondary swell from a West-southwest direction (forecast issued at 01:00am November 21). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (AWST) & DateWave HeightWave Period
Morning (21 Nov)2.5ft (0.8m)12s
Afternoon (21 Nov)2.5ft (0.7m)11s
Evening (21 Nov)2ft (0.6m)14s

Table - waves today at Derrs. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
21
Saturday
22
Sunday
23
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
1
1
2
1
1
0
0
0
1
2
1
2
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
WSW
0.8
WSW
0.8
WSW
0.8
WSW
0.7
SW
0.7
WSW
0.7
WSW
0.6
WSW
0.6
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.9
WSW
0.8
WSW
0.8
WSW
0.8
WSW
0.8
WSW
0.8
WSW
1.7
WSW
1.7
WSW
1.9
WSW
1.8
SW
1.9
SW
Period(s) (?)13121212121211141413131313131212121212126788
Wave
Graph
(?)Metric surfscale
Energy kJ (?)277190187180142123121163152253249246242227169164161161158756231332358473
Wind
(km/h)
15
E
20
E
20
E
15
E
15
S
20
SSW
20
SSW
20
S
10
SSE
5
SSE
10
S
5
N
20
W
25
W
25
WSW
25
SW
30
SW
25
SW
30
SW
30
SW
30
SW
35
WSW
35
WSW
30
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offcross-
off		crosscross-
on		cross-
on		crosscrossglasscrosscross-
off		cross-
on		onononcross-
on		cross-
on		oncross-
on		onononon
High Tide
/ height (m)
8:39PM
0.68
9:02PM
0.69
9:27PM
0.69
Low Tide
/ height (m)
5:49AM
0.08
6:25AM
0.08
7:06AM
0.09
Friday
21
Saturday
22
Sunday
23
Sunrise---5:07-------5:07-------5:05----
Sunset------6:58-------6:59-------7:00-
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
thunderstorm
light rain
rain showers
rain showers
clear
part cloud
part cloud
cloud
Rain (mm)
----------------2121----
Temp. °C222018202424232020212021222220191818171818181817
Feels °C (?)191615172221201820212021201917161413121211111110
  • 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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View detailed surf forecast for Derrs at:
surf-forecast.com

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