USGS · 01598500

NORTH BRANCH

USGS · 01598500LIVE

NORTH BRANCH POTOMAC RIVER AT LUKE, MD

LUKE, MD39.4790°N, -79.0638°W Updated 18 hr ago

FLOW RATE

387cfs

AIR TEMP

97°F

WIND

8mph W

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

387cfs 36.0% vs avg

Optimal band: 256–346 cfs

PERIOD HIGH

4,908cfs

PERIOD LOW

185cfs

RUNNABLE

42%

last 1 year in band

Precipitation History

Your History · NORTH BRANCH POTOMAC RIVER AT LUKE, MD

Track your history

Sign in to track your sessions at NORTH BRANCH POTOMAC RIVER AT LUKE, MD — best days, monthly trends, and time on the water.

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

97°

74°

SAT

100°

75°

SUN

95°

70°

MON

90°

69°

TUE

91°

67°

WED

85°

66°

THU

81°

68°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

96°

mild

96°

95°

93°

89°

86°

84°

83°

81°

80°

79°

78°

77°

78°

83°

87°

91°

95°

97°

98°

99°

100°

98°

91°

80°

81°

75°

76°

74°

73°

72°

73°

74°

78°

82°

87°

91°

94°

95°

75°

73°

75°

71°

72°

71°

70°

69°

70°

69°

71°

76°

79°

85°

88°

89°

90°

88°

84°

80°

77°

71°

70°

69°

68°

67°

69°

73°

78°

82°

86°

87°

89°

91°

89°

81°

78°

74°

72°

69°

68°

67°

66°

67°

69°

72°

75°

78°

82°

WIND

mph · gust · dir

8mph WNW

G 11 mph

G11

WNW

G11

G13

WSW

SSW

WSW

G13

WSW

G15

WSW

G16

WSW

G18

WSW

G20

WSW

G19

WSW

G28

SSE

G11

G27

WSW

G21

WNW

G11

WSW

G33

G20

ESE

NNW

ESE

NNE

G26

G23

ESE

G22

NNW

G12

SSW

SSE

ENE

ESE

ENE

ESE

SSE

WSW

WNW

WSW

WNW

G13

WNW

G12

WNW

G12

WNW

G11

WNW

G10

G15

G17

WNW

G17

G18

NNE

ENE

ESE

PRECIP

chance %

11%

15%

17%

14%

24%

19%

13%

10%

23%

21%

82%

68%

29%

37%

82%

52%

19%

33%

52%

33%

13%

18%

CLOUDS

cover %

clear

100%

85%

94%

82%

66%

23%

13%

100%

99%

100%

99%

100%

79%

57%

59%

100%

95%

83%

100%

72%

99%

15%

36%

100%

54%

82%

100%

12%

66%

87%

100%

98%

84%

66%

PRESSURE

hPa · trend

982

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:54 AM

SUNSET

08:47 PM

14H 53M OF DAYLIGHT2H 29M REMAINING

MOON PHASE

Waning Gibbous

85% illuminated

Station Location

39.4790, -79.0638

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-03 18:18 UTC

Site #01598500·USGS

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