Water Temperature of Delaware Bay in Lewes, DE

Current Water Temperature

68.4°F

Measurement Time: Tuesday, June 30, 2026, 3:42 AM EDT

Today's Tides

Low: June 30, 3:49 AM, 0.4 ft
 High: June 30, 9:48 AM, 3.4 ft
Low: June 30, 3:25 PM, 0.5 ft
 High: June 30, 10:02 PM, 4.8 ft

Temperature Locations

View Nearby Locations     View All Delaware Locations     View Locations Near Me

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

64.9°F
Partly cloudy
Partly cloudy
64.9°F
64.9°F
93%
S 5.4 mph
10.7 mph
64.9°F
61.7°F
0 in
75%
9 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 86°F
L: 63°F
Sunny
Wed
H: 89°F
L: 69°F
Sunny
Thu
H: 90°F
L: 76°F
Sunny
Fri
H: 92°F
L: 77°F
Sunny
Sat
H: 90°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 9.7 μg/m3
PM10: 13.2 μg/m3
Carbon Monoxide: 114 μg/m3
Nitrogen Dioxide: 10.1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:04 PM
Sunset: 8:30 PM
Daylight: 14 hrs 51 mins
Moonrise: 9:26 PM
Moon Transit: 1:16 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
3:14 PM - 5:44 PM

Minor Periods

8:56 PM - 10:26 PM
5:20 AM - 6:50 AM

Action Rating: 5 out of 5

Extreme Heat Watch issued June 29 at 2:10PM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Mon June 29, 2026, 2:10 PM
Expires: Tue June 30, 2026, 6:00 AM

* WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From Thursday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Watch issued June 29 at 5:17PM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Mon June 29, 2026, 5:17 PM
Expires: Tue June 30, 2026, 6:00 AM

* WHAT...Dangerously hot conditions with heat index values up to 110 degrees possible. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From Thursday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the 70s 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.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Watch issued June 29 at 2:10PM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Mon June 29, 2026, 2:10 PM
Expires: Tue June 30, 2026, 6:00 AM

* WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean Counties. * WHEN...From Thursday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

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.


Extreme Heat Watch issued June 29 at 5:17PM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Mon June 29, 2026, 5:17 PM
Expires: Tue June 30, 2026, 6:00 AM

* WHAT...Dangerously hot conditions with heat index values up to 108 degrees possible. * WHERE...Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean Counties. * WHEN...From Thursday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the low to mid 70s at night will not offer any relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity.

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.
Tuesday, June 30, 2026

Weather Forecast

Sunny
85.8°F
63.3°F
74.2°F
72%
0.04 in
39%
0%
16.1 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 9.48 μg/m3
PM10: 12.22 μg/m3
Carbon Monoxide: 113.92 μg/m3
Nitrogen Dioxide: 6.02 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 84.42 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:04 PM
Sunset: 8:30 PM
Daylight: 14 hrs 51 mins
Moonrise: 9:26 PM
Moon Transit: 1:16 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
3:14 PM - 5:44 PM

Minor Periods

8:56 PM - 10:26 PM
5:20 AM - 6:50 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
89.2°F
68.9°F
78.9°F
69%
0 in
6%
0%
15 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 8.59 μg/m3
PM10: 10.93 μg/m3
Carbon Monoxide: 109.5 μg/m3
Nitrogen Dioxide: 2.49 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 90.71 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:04 PM
Sunset: 8:30 PM
Daylight: 14 hrs 51 mins
Moonrise: 10:00 PM
Moon Transit: 2:05 AM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
4:03 PM - 6:33 PM

Minor Periods

9:30 PM - 11:00 PM
6:21 AM - 7:51 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
90°F
75.6°F
82.5°F
68%
0 in
5%
0%
13 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 9.83 μg/m3
PM10: 12.65 μg/m3
Carbon Monoxide: 122.42 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 94.67 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:04 PM
Sunset: 8:30 PM
Daylight: 14 hrs 50 mins
Moonrise: 10:29 PM
Moon Transit: 2:53 AM
Moonset: 7:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:23 AM - 4:53 AM
4:49 PM - 7:19 PM

Minor Periods

9:59 PM - 11:29 PM
7:24 AM - 8:54 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
91.5°F
77.4°F
83.1°F
67%
0.15 in
57%
0%
16.6 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 10.7 μg/m3
PM10: 13.76 μg/m3
Carbon Monoxide: 153.1 μg/m3
Nitrogen Dioxide: 3.24 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 110.04 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
90.3°F
73.2°F
81.1°F
69%
0.01 in
36%
0%
11.6 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.47 μg/m3
PM10: 10.08 μg/m3
Carbon Monoxide: 211.89 μg/m3
Nitrogen Dioxide: 4.08 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 78.22 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

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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