Water Temperature of Delaware Bay in Lewes, DE

Current Water Temperature

74.1°F

Measurement Time: Wednesday, July 15, 2026, 9:48 AM EDT

Today's Tides

Low: July 15, 3:57 AM, -0.2 ft
 High: July 15, 10:07 AM, 4.1 ft
Low: July 15, 3:48 PM, -0.3 ft
 High: July 15, 10:28 PM, 5.5 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

81°F
Sunny
Sunny
84.7°F
84.7°F
67%
W 12.3 mph
17.8 mph
81°F
69.2°F
0 in
0%
9 mi
1016 mbar
3

Five Day Weather Forecast

Sunny
Wed
H: 101°F
L: 72°F
Sunny
Thu
H: 89°F
L: 77°F
Sunny
Fri
H: 84°F
L: 73°F
Light rain shower
Sat
H: 76°F
L: 72°F
Partly Cloudy
Sun
H: 88°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 9.1 μg/m3
PM10: 9.9 μg/m3
Carbon Monoxide: 150 μg/m3
Nitrogen Dioxide: 4.2 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 104 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:06 PM
Sunset: 8:25 PM
Daylight: 14 hrs 37 mins
Moonrise: 7:01 AM
Moon Transit: 2:26 PM
Moonset: 9:39 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
1:56 PM - 4:26 PM

Minor Periods

9:09 PM - 10:39 PM
6:31 AM - 8:01 AM

Action Rating: 4 out of 5

Air Quality Alert issued July 14 at 3:45PM EDT by NWS Mount Holly NJ

Effective: Tue July 14, 2026, 3:45 PM
Expires: Thu July 16, 2026, 12:00 AM

The Delaware Department of Natural Resources and Environmental Control has issued a code orange air quality alert Wednesday for Sussex County Delaware. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.dnrec.delaware.gov
Wednesday, July 15, 2026

Weather Forecast

Sunny
100.9°F
72°F
85.3°F
61%
0 in
3%
0%
14.1 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 8.45 μg/m3
PM10: 9.32 μg/m3
Carbon Monoxide: 144.33 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 128.08 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:06 PM
Sunset: 8:25 PM
Daylight: 14 hrs 37 mins
Moonrise: 7:01 AM
Moon Transit: 2:26 PM
Moonset: 9:39 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
1:56 PM - 4:26 PM

Minor Periods

9:09 PM - 10:39 PM
6:31 AM - 8:01 AM

Action Rating: 4 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
88.6°F
77°F
82.6°F
65%
0.01 in
17%
0%
11 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 11.61 μg/m3
PM10: 13.58 μg/m3
Carbon Monoxide: 145.88 μg/m3
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 119.33 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:06 PM
Sunset: 8:24 PM
Daylight: 14 hrs 36 mins
Moonrise: 8:18 AM
Moon Transit: 3:19 PM
Moonset: 10:09 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:27 AM - 6:57 AM
2:49 PM - 5:19 PM

Minor Periods

9:39 PM - 11:09 PM
7:48 AM - 9:18 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
84.4°F
72.6°F
78.6°F
67%
0.18 in
58%
0%
14.1 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 12.31 μg/m3
PM10: 14.8 μg/m3
Carbon Monoxide: 159.25 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 108.96 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:06 PM
Sunset: 8:24 PM
Daylight: 14 hrs 35 mins
Moonrise: 9:30 AM
Moon Transit: 4:08 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
3:38 PM - 6:08 PM

Minor Periods

10:05 PM - 11:35 PM
9:00 AM - 10:30 AM

Action Rating: 2 out of 5

Saturday, July 18, 2026

Weather Forecast

Light rain shower
75.7°F
72.1°F
73.7°F
88%
0.95 in
87%
0%
12.3 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 7.51 μg/m3
PM10: 9.06 μg/m3
Carbon Monoxide: 146.01 μg/m3
Nitrogen Dioxide: 2.88 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 108.38 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:06 PM
Sunset: 8:23 PM
Daylight: 14 hrs 33 mins
Moonrise: 10:39 AM
Moon Transit: 4:53 PM
Moonset: 10:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
4:23 PM - 6:53 PM

Minor Periods

10:28 PM - 11:58 PM
10:09 AM - 11:39 AM

Action Rating: 3 out of 5

Sunday, July 19, 2026

Weather Forecast

Partly Cloudy
88.3°F
72.2°F
78.4°F
82%
0.12 in
70%
0%
15.4 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 4.41 μg/m3
Carbon Monoxide: 203.89 μg/m3
Nitrogen Dioxide: 2.84 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:06 PM
Sunset: 8:23 PM
Daylight: 14 hrs 32 mins
Moonrise: 11:44 AM
Moon Transit: 5:37 PM
Moonset: 11:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

6:48 AM - 9:18 AM
5:07 PM - 7:37 PM

Minor Periods

12:00 AM - 12:00 AM
11:14 AM - 12:44 AM

Action Rating: 2 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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