Water Temperature of Delaware Bay in Lewes, DE

Current Water Temperature

63.3°F

Measurement Time: Monday, May 18, 2026, 4:48 PM EDT

Today's Tides

Low: May 18, 4:23 AM, -0.4 ft
 High: May 18, 10:33 AM, 4.0 ft
Low: May 18, 4:14 PM, -0.3 ft
 High: May 18, 10:53 PM, 5.6 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

93.9°F
Sunny
Sunny
101.2°F
94.2°F
33%
S 14.1 mph
29.6 mph
90.4°F
66.3°F
0 in
0%
9 mi
1020 mbar
4.5

Five Day Weather Forecast

Sunny
Mon
H: 91°F
L: 62°F
Sunny
Tue
H: 83°F
L: 69°F
Patchy rain nearby
Wed
H: 82°F
L: 66°F
Moderate rain
Thu
H: 63°F
L: 55°F
Heavy rain
Fri
H: 54°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 8.25 μg/m3
PM10: 10.35 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 119 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:56 AM
Sunset: 8:09 PM
Daylight: 14 hrs 23 mins
Moonrise: 6:53 AM
Moon Transit: 2:54 PM
Moonset: 10:56 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:55 AM - 6:25 AM
2:24 PM - 4:54 PM

Minor Periods

10:26 PM - 11:56 PM
6:23 AM - 7:53 AM

Action Rating: 3 out of 5

Air Quality Alert issued May 18 at 9:58AM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 9:58 AM
Expires: Tue May 19, 2026, 10:00 AM

The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Advisory means that air quality within the region may approach or exceed unhealthy standards. For more information on current and forecast concentrations of ground-level ozone and fine particulates, visit www.airnow.gov or www.state.nj.us/dep/airmon/ or call the New Jersey Bureau of Air Monitoring at 609-292-0138


Monday, May 18, 2026

Weather Forecast

Sunny
91°F
62.4°F
77°F
64%
0 in
0%
0%
16.1 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 9.24 μg/m3
PM10: 11.14 μg/m3
Carbon Monoxide: 163.21 μg/m3
Nitrogen Dioxide: 4.57 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 107.96 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:56 AM
Sunset: 8:09 PM
Daylight: 14 hrs 23 mins
Moonrise: 6:53 AM
Moon Transit: 2:54 PM
Moonset: 10:56 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:55 AM - 6:25 AM
2:24 PM - 4:54 PM

Minor Periods

10:26 PM - 11:56 PM
6:23 AM - 7:53 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Sunny
82.5°F
68.8°F
74.7°F
70%
0 in
0%
0%
16.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 7.66 μg/m3
PM10: 9.39 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 98.12 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 12:57 AM
Sunset: 8:10 PM
Daylight: 14 hrs 25 mins
Moonrise: 8:02 AM
Moon Transit: 4:01 PM
Moonset: 11:53 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
3:31 PM - 6:01 PM

Minor Periods

12:00 AM - 12:00 AM
7:32 AM - 9:02 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Patchy rain nearby
82.3°F
66.4°F
74.6°F
68%
0.05 in
87%
0%
15.9 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 8.63 μg/m3
PM10: 10.66 μg/m3
Carbon Monoxide: 144.97 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 104.12 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:57 AM
Sunset: 8:11 PM
Daylight: 14 hrs 27 mins
Moonrise: 9:17 AM
Moon Transit: 5:03 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
4:33 PM - 7:03 PM

Minor Periods

8:47 AM - 10:17 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 21, 2026

Weather Forecast

Moderate rain
62.7°F
54.8°F
59.9°F
82%
0.28 in
84%
0%
18.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 5.48 μg/m3
PM10: 6.31 μg/m3
Carbon Monoxide: 148.41 μg/m3
Nitrogen Dioxide: 7.5 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 68.04 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:57 AM
Sunset: 8:11 PM
Daylight: 14 hrs 28 mins
Moonrise: 10:33 AM
Moon Transit: 6:00 PM
Moonset: 12:39 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
5:30 PM - 8:00 PM

Minor Periods

10:03 AM - 11:33 AM
12:09 AM - 1:39 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Heavy rain
54.4°F
53.1°F
54.1°F
92%
1.29 in
69%
0%
18.1 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 8.6 μg/m3
PM10: 12.7 μg/m3
Carbon Monoxide: 141.85 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 68.08 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:57 AM
Sunset: 8:12 PM
Daylight: 14 hrs 30 mins
Moonrise: 11:45 AM
Moon Transit: 6:50 PM
Moonset: 1:14 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
6:20 PM - 8:50 PM

Minor Periods

11:15 AM - 12:45 AM
12:44 AM - 2:14 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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