Waterlands
Arroyo Trabuco A San Juan Capistrano Ca River
USGS · 11047300
ARROYO TRABUCO A SAN JUAN CAPISTRANO CA RIVER
USGS · 11047300LIVE

ARROYO TRABUCO A SAN JUAN CAPISTRANO CA

SAN JUAN CAPISTRANO, CA33.4984°N, -117.6659°W Updated 17 hr ago
FLOW RATE
3cfs
AIR TEMP
70°F
WIND
4mph SW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
3cfs 27.1% vs avg
Optimal band: 33 cfs
PERIOD HIGH
4cfs
PERIOD LOW
3cfs
RUNNABLE
81%
last 30 day in band
Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

5.7in

-36% vs normal

5.7 in of precipitation so far this year, 36% below the 30-year normal of 8.87 in for this point in the season.

YTD Total

5.7in

This year so far

Normal to Date

8.9in

30-yr average

Typical Range

3.0–17.4in

10th–90th pct YTD

Departure

-36%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 1.53" · normal 2.64" (0.3–6.2)
Jan
Feb: 2.63" · normal 3.18" (0.3–6.6)
Feb
Mar: 0.12" · normal 1.85" (0.2–4.8)
Mar
Apr: 0.77" · normal 0.78" (0.1–1.7)
Apr
May: 0.61" · normal 0.34" (0.0–1.1)
May
Jun: 0.03" (so far)· normal 0.08" (0.0–0.3)
Jun
Jul: normal 0.05" (0.0–0.1)
Jul
Aug: normal 0.03" (0.0–0.1)
Aug
Sep: normal 0.13" (0.0–0.5)
Sep
Oct: normal 0.59" (0.0–1.3)
Oct
Nov: normal 0.86" (0.1–2.3)
Nov
Dec: normal 1.89" (0.2–3.4)
Dec
Baseline 19912020 · Source: Open-Meteo05:22 PM
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
76°
62°
WED
74°
61°
THU
79°
62°
FRI
76°
60°
SAT
75°
61°
SUN
71°
61°
MON
73°
59°
TIME
TUE
5
NOW
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
TEMP
hourly forecast
71°
mild
71°
69°
68°
66°
64°
63°
63°
62°
61°
61°
63°
62°
62°
62°
62°
63°
66°
70°
72°
73°
74°
73°
73°
72°
70°
69°
67°
64°
63°
62°
62°
62°
62°
62°
62°
62°
62°
63°
67°
70°
73°
76°
78°
79°
79°
78°
78°
76°
74°
73°
71°
67°
64°
63°
63°
62°
62°
61°
60°
60°
60°
60°
65°
68°
71°
74°
76°
76°
76°
75°
75°
75°
73°
71°
69°
65°
64°
64°
63°
63°
62°
62°
62°
61°
61°
62°
65°
67°
69°
71°
72°
74°
75°
74°
73°
72°
71°
68°
66°
64°
64°
64°
63°
63°
63°
63°
62°
62°
62°
62°
63°
64°
66°
WIND
mph · gust · dir
6mph WSW
G 7 mph
6
G7
WSW
5
G6
WSW
5
G6
WSW
4
G5
W
3
G5
W
2
G6
W
2
G5
SW
1
G5
WSW
2
G5
WSW
2
G6
NW
3
G4
WNW
3
WNW
2
G3
W
2
W
2
W
2
WNW
3
W
4
G5
WSW
7
WSW
8
G9
WSW
9
G10
WSW
9
G10
WSW
9
G10
WSW
8
G9
W
8
G9
W
7
G9
W
7
G8
W
5
G7
W
4
G7
W
4
G6
W
4
G5
W
3
G4
WNW
3
G4
WNW
3
G4
WNW
3
W
2
WSW
2
WSW
1
SSE
1
G2
S
4
SSW
5
SW
6
SW
8
SW
9
SW
9
SW
9
SW
9
WSW
9
WSW
9
WSW
7
WSW
6
WSW
5
WSW
4
SW
3
SSW
2
S
3
SSE
4
SSE
4
SSE
3
SE
3
SE
3
SE
3
SE
3
SE
4
SSE
7
S
8
SSW
10
SSW
11
SSW
11
SSW
10
SSW
9
SSW
9
SSW
8
SSW
7
SSW
6
SSW
5
S
4
G5
S
4
G5
SSE
5
SE
7
SE
8
G9
SE
10
SE
10
ESE
10
ESE
9
ESE
8
G10
ESE
9
G11
ESE
12
SE
13
SE
14
SSE
14
SSE
15
S
15
S
13
SSW
11
SSW
9
SW
9
WSW
10
WSW
9
WSW
6
G7
SW
6
SW
6
SSW
5
SSW
5
S
6
SSE
8
SSE
8
SSE
9
SE
9
SE
10
SE
10
SE
10
SSE
10
SSE
PRECIP
chance %
4%
4%
3%
2%
2%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
14%
14%
14%
14%
14%
14%
2%
2%
2%
2%
CLOUDS
cover %
63%
mostly
63%
100%
11%
7%
9%
12%
13%
25%
32%
36%
100%
100%
100%
100%
100%
100%
100%
54%
22%
13%
11%
10%
9%
12%
14%
17%
18%
17%
45%
57%
92%
90%
100%
100%
75%
50%
25%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
7%
8%
8%
82%
73%
42%
29%
6%
22%
32%
56%
62%
81%
100%
82%
61%
75%
56%
30%
31%
38%
20%
22%
75%
100%
100%
92%
100%
100%
99%
98%
98%
99%
100%
100%
99%
97%
88%
66%
PRESSURE
hPa · trend
1012
1012101210121013101110111009100910081009100810091008100910081009100710091008
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
08:04 PM
14H 23M OF DAYLIGHT2H 41M REMAINING
MOON PHASE
First Quarter
61% illuminated

Station Location

33.4984, -117.6659
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-23 17:23 UTC
Site #11047300·USGS

Create a free account to save favorites, set flow alerts, and track conditions