Water Temperature of Delaware Bay in Lewes, DE

Current Water Temperature

73.6°F

Measurement Time: Tuesday, July 21, 2026, 11:48 AM EDT

Today's Tides

 High: July 21, 2:37 AM, 3.8 ft
Low: July 21, 8:47 AM, 0.5 ft
 High: July 21, 3:19 PM, 4.3 ft
Low: July 21, 9:34 PM, 0.9 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

82°F
Overcast
Overcast
87.1°F
90.9°F
77%
SSW 13.9 mph
21.5 mph
84°F
73.5°F
0 in
100%
9 mi
1010 mbar
7.2

Five Day Weather Forecast

Sunny
Tue
H: 91°F
L: 72°F
Patchy rain nearby
Wed
H: 81°F
L: 70°F
Sunny
Thu
H: 75°F
L: 69°F
Sunny
Fri
H: 76°F
L: 68°F
Sunny
Sat
H: 75°F
L: 69°F

Air Quality

AQI: 1 - Good
PM2.5: 6.6 μg/m3
PM10: 7.8 μg/m3
Carbon Monoxide: 123 μg/m3
Nitrogen Dioxide: 2.3 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:06 PM
Sunset: 8:21 PM
Daylight: 14 hrs 29 mins
Moonrise: 1:52 PM
Moon Transit: 7:05 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
6:35 PM - 9:05 PM

Minor Periods

1:22 PM - 2:52 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 21 at 3:09AM EDT until July 22 at 12:00AM EDT by NWS Mount Holly NJ

Effective: Tue July 21, 2026, 3:09 AM
Expires: Tue July 21, 2026, 5:00 PM

* WHAT...South winds 15 to 20 kt with gusts up to 30 kt and choppy waters expected. * WHERE...Delaware Bay. * WHEN...From noon today to midnight EDT tonight. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Tuesday, July 21, 2026

Weather Forecast

Sunny
90.5°F
71.8°F
80.6°F
76%
0.7 in
74%
0%
22.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 7.99 μg/m3
PM10: 9.58 μg/m3
Carbon Monoxide: 133.38 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 100.33 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:06 PM
Sunset: 8:21 PM
Daylight: 14 hrs 29 mins
Moonrise: 1:52 PM
Moon Transit: 7:05 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
6:35 PM - 9:05 PM

Minor Periods

1:22 PM - 2:52 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Patchy rain nearby
81°F
69.7°F
75.6°F
82%
1.07 in
83%
0%
18.6 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 4.85 μg/m3
PM10: 5.2 μg/m3
Carbon Monoxide: 123 μg/m3
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 77.42 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:07 PM
Sunset: 8:20 PM
Daylight: 14 hrs 27 mins
Moonrise: 2:55 PM
Moon Transit: 7:50 PM
Moonset: 12:11 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

9:00 AM - 11:30 AM
7:20 PM - 9:50 PM

Minor Periods

2:25 PM - 3:55 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
75.4°F
68.7°F
71.7°F
66%
0.01 in
17%
0%
16.6 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 3.96 μg/m3
PM10: 4.11 μg/m3
Carbon Monoxide: 136.63 μg/m3
Nitrogen Dioxide: 4.2 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 85.13 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:07 PM
Sunset: 8:20 PM
Daylight: 14 hrs 26 mins
Moonrise: 3:57 PM
Moon Transit: 8:38 PM
Moonset: 12:41 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:47 AM - 12:17 AM
8:08 PM - 10:38 PM

Minor Periods

3:27 PM - 4:57 PM
12:11 AM - 1:41 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
75.9°F
68.2°F
72.1°F
64%
0 in
5%
0%
15 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 8.1 μg/m3
PM10: 10.74 μg/m3
Carbon Monoxide: 113.93 μg/m3
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 93.25 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:07 PM
Sunset: 8:19 PM
Daylight: 14 hrs 24 mins
Moonrise: 4:57 PM
Moon Transit: 9:28 PM
Moonset: 1:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:36 AM - 1:06 PM
8:58 PM - 11:28 PM

Minor Periods

4:27 PM - 5:57 PM
12:46 AM - 2:16 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
75.1°F
68.7°F
72.3°F
70%
0 in
9%
0%
15 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 4.9 μg/m3
PM10: 7.22 μg/m3
Carbon Monoxide: 135.56 μg/m3
Nitrogen Dioxide: 2.43 μg/m3
Sulphur Dioxide: 0.21 μg/m3
Ozone: 78.44 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:07 PM
Sunset: 8:18 PM
Daylight: 14 hrs 22 mins
Moonrise: 5:53 PM
Moon Transit: 10:19 PM
Moonset: 1:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:27 AM - 1:57 PM
12:00 AM - 12:00 AM

Minor Periods

5:23 PM - 6:53 PM
1:28 AM - 2:58 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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