Water Temperature of Delaware Bay in Lewes, DE

Current Water Temperature

67.6°F

Measurement Time: Friday, July 3, 2026, 5:48 AM EDT

Today's Tides

Low: July 3, 5:33 AM, 0.4 ft
 High: July 3, 11:44 AM, 3.6 ft
Low: July 3, 5:24 PM, 0.5 ft
 High: July 3, 11:56 PM, 4.6 ft

Temperature Locations

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Local Points of Interest

Breakwater Harbor; Lewes Beach; Cape Henlopen State Park

Delaware Bay

Station Name: Lewes
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 10 feet

Sensor Depth: -8 feet

Nearest Address:
41 Cape Henlopen Dr
Lewes, DE 19958
Sussex County

GPS Coordinates: 38.781700, -75.120003

Nearby Water Temperatures

Broadkill River, Milton, DE (7.1 mi)
Indian River Bay, Millsboro, DE (10.9 mi)
Cape May Canal, North Cape May, NJ (15.5 mi)
Millsboro Pond, Millsboro, DE (15.9 mi)
Beaverdam Branch, Houston, DE (22.8 mi)
Murderkill River, Frederica, DE (24.1 mi)
Ocean City Inlet, Ocean City, MD (31.4 mi)
St. Jones River, Dover, DE (34 mi)
Delaware Bay, Greenwich, NJ (38.7 mi)
Choptank River, Cambridge, MD (52.8 mi)
Appoquinimink River, Odessa, DE (54.2 mi)
Atlantic Ocean, Atlantic City, NJ (54.7 mi)
Silver Lake Tributary, Townsend, DE (54.9 mi)
Delaware River, Middletown, DE (55.2 mi)
Chesapeake & Delaware Canal, Port Penn, DE (58.9 mi)

Weather for Lewes, Delaware

Current Weather

79°F
Clear
Clear
84.7°F
82°F
90%
WSW 6.9 mph
14.6 mph
77.4°F
72.8°F
0 in
0%
8 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 101°F
L: 77°F
Sunny
Sat
H: 90°F
L: 72°F
Patchy rain nearby
Sun
H: 83°F
L: 73°F
Patchy rain nearby
Mon
H: 79°F
L: 72°F
Partly Cloudy
Tue
H: 84°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 10.7 μg/m3
PM10: 12.1 μg/m3
Carbon Monoxide: 136 μg/m3
Nitrogen Dioxide: 6.3 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:04 PM
Sunset: 8:29 PM
Daylight: 14 hrs 49 mins
Moonrise: 10:55 PM
Moon Transit: 3:39 AM
Moonset: 8:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
5:33 PM - 8:03 PM

Minor Periods

10:25 PM - 11:55 PM
8:27 AM - 9:57 AM

Action Rating: 4 out of 5

Extreme Heat Warning issued July 2 at 1:30PM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Thu July 2, 2026, 1:30 PM
Expires: Sat July 4, 2026, 8:00 PM

* WHAT...Dangerously hot conditions with heat index values between 105 and 115 degrees expected each day. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the mid 70s to near 80 degrees at night will not offer much relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity. The hottest conditions are expected to occur on Friday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit your county or state health department website for assistance locating appropriate shelter from the heat.
Friday, July 3, 2026

Weather Forecast

Sunny
100.6°F
77°F
85.6°F
67%
0 in
4%
0%
10.7 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 12.78 μg/m3
PM10: 15.37 μg/m3
Carbon Monoxide: 144.46 μg/m3
Nitrogen Dioxide: 4.49 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 133.04 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:04 PM
Sunset: 8:29 PM
Daylight: 14 hrs 49 mins
Moonrise: 10:55 PM
Moon Transit: 3:39 AM
Moonset: 8:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
5:33 PM - 8:03 PM

Minor Periods

10:25 PM - 11:55 PM
8:27 AM - 9:57 AM

Action Rating: 4 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
90.2°F
71.9°F
80.4°F
75%
1.2 in
73%
0%
21.5 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 12.48 μg/m3
PM10: 14.49 μg/m3
Carbon Monoxide: 148.42 μg/m3
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 127.63 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:05 PM
Sunset: 8:29 PM
Daylight: 14 hrs 49 mins
Moonrise: 11:18 PM
Moon Transit: 4:22 AM
Moonset: 10:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
6:16 PM - 8:46 PM

Minor Periods

12:00 AM - 12:00 AM
9:30 AM - 11:00 AM

Action Rating: 3 out of 5

Sunday, July 5, 2026

Weather Forecast

Patchy rain nearby
82.9°F
72.7°F
76.5°F
84%
0.36 in
80%
0%
14.1 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 10.76 μg/m3
PM10: 13.28 μg/m3
Carbon Monoxide: 137.67 μg/m3
Nitrogen Dioxide: 6.42 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 105.42 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:05 PM
Sunset: 8:29 PM
Daylight: 14 hrs 48 mins
Moonrise: 12:18 AM
Moon Transit: 5:05 AM
Moonset: 11:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
6:59 PM - 9:29 PM

Minor Periods

10:33 AM - 12:03 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 6, 2026

Weather Forecast

Patchy rain nearby
78.7°F
72.4°F
75.2°F
90%
0.41 in
87%
0%
12.3 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 6.67 μg/m3
PM10: 9.95 μg/m3
Carbon Monoxide: 111.72 μg/m3
Nitrogen Dioxide: 3.08 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 62.04 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:05 PM
Sunset: 8:29 PM
Daylight: 14 hrs 47 mins
Moonrise: 12:40 AM
Moon Transit: 5:48 AM
Moonset: 12:07 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

5:18 AM - 7:48 AM
12:45 AM - 3:15 PM

Minor Periods

11:37 AM - 1:07 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 7, 2026

Weather Forecast

Partly Cloudy
83.8°F
70.8°F
75.3°F
86%
0.17 in
79%
0%
16.6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 7.57 μg/m3
PM10: 11.48 μg/m3
Carbon Monoxide: 140.56 μg/m3
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:05 PM
Sunset: 8:28 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:04 AM
Moon Transit: 6:32 AM
Moonset: 1:13 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
8:28 PM - 10:58 PM

Minor Periods

12:43 AM - 2:13 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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