Water Temperature of Delaware Bay in Lewes, DE

Current Water Temperature

69.8°F

Measurement Time: Thursday, June 18, 2026, 1:12 AM EDT

Today's Tides

Low: June 18, 5:59 AM, -0.2 ft
 High: June 18, 12:14 PM, 4.0 ft
Low: June 18, 5:53 PM, 0.0 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

71.1°F
Clear
Clear
71.1°F
69°F
90%
S 14.1 mph
26 mph
68.9°F
64.9°F
0 in
0%
9 mi
1010 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 94°F
L: 68°F
Moderate rain
Fri
H: 76°F
L: 63°F
Sunny
Sat
H: 77°F
L: 63°F
Partly Cloudy
Sun
H: 79°F
L: 65°F
Patchy rain nearby
Mon
H: 85°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 13.6 μg/m3
PM10: 16.2 μg/m3
Carbon Monoxide: 122 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:01 PM
Sunset: 8:29 PM
Daylight: 14 hrs 54 mins
Moonrise: 9:27 AM
Moon Transit: 4:41 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
4:11 PM - 6:41 PM

Minor Periods

8:57 AM - 10:27 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Small Craft Advisory issued June 17 at 2:12PM EDT until June 19 at 12:00AM EDT by NWS Mount Holly NJ

Effective: Wed June 17, 2026, 2:12 PM
Expires: Thu June 18, 2026, 4:00 AM

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and choppy waters expected. * WHERE...Delaware Bay waters north of East Point NJ to Slaughter Beach DE and Delaware Bay waters south of East Point NJ to Slaughter Beach DE. * WHEN...From 6 AM Thursday to midnight EDT Thursday night. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Brief gale force wind gusts near 35 kt are possible across Delaware Bay during the afternoon hours. Scattered thunderstorms could also produce brief gale force wind gusts during the afternoon and evening hours.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Thursday, June 18, 2026

Weather Forecast

Patchy rain nearby
94.1°F
68.2°F
80.2°F
67%
0.01 in
17%
0%
21 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 5.68 μg/m3
PM10: 6.3 μg/m3
Carbon Monoxide: 123.88 μg/m3
Nitrogen Dioxide: 2.71 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 97.67 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:01 PM
Sunset: 8:29 PM
Daylight: 14 hrs 54 mins
Moonrise: 9:27 AM
Moon Transit: 4:41 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
4:11 PM - 6:41 PM

Minor Periods

8:57 AM - 10:27 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, June 19, 2026

Weather Forecast

Moderate rain
75.9°F
63°F
70.1°F
73%
0.47 in
75%
0%
15 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 3.77 μg/m3
PM10: 4 μg/m3
Carbon Monoxide: 135.67 μg/m3
Nitrogen Dioxide: 5.06 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 74.29 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:01 PM
Sunset: 8:29 PM
Daylight: 14 hrs 54 mins
Moonrise: 10:41 AM
Moon Transit: 5:30 PM
Moonset: 12:42 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
5:00 PM - 7:30 PM

Minor Periods

10:11 AM - 11:41 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
77.4°F
63.4°F
70.7°F
58%
0 in
4%
0%
16.6 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 3.45 μg/m3
PM10: 3.54 μg/m3
Carbon Monoxide: 119.88 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 84.79 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:02 PM
Sunset: 8:29 PM
Daylight: 14 hrs 54 mins
Moonrise: 11:49 AM
Moon Transit: 6:16 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
5:46 PM - 8:16 PM

Minor Periods

11:19 AM - 12:49 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Partly Cloudy
78.6°F
64.6°F
72°F
63%
0 in
8%
0%
21.3 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 5.15 μg/m3
PM10: 6.24 μg/m3
Carbon Monoxide: 121.9 μg/m3
Nitrogen Dioxide: 5.39 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 80.83 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:02 PM
Sunset: 8:29 PM
Daylight: 14 hrs 54 mins
Moonrise: 12:54 AM
Moon Transit: 7:00 PM
Moonset: 12:34 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
6:30 PM - 9:00 PM

Minor Periods

12:24 AM - 1:54 PM
12:04 AM - 1:34 AM

Action Rating: 2 out of 5

Monday, June 22, 2026

Weather Forecast

Patchy rain nearby
84.5°F
71.8°F
77.5°F
71%
0.01 in
20%
0%
23.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.5 μg/m3
PM10: 5.24 μg/m3
Carbon Monoxide: 164.11 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:02 PM
Sunset: 8:29 PM
Daylight: 14 hrs 54 mins
Moonrise: 1:57 PM
Moon Transit: 7:42 PM
Moonset: 12:56 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
7:12 PM - 9:42 PM

Minor Periods

1:27 PM - 2:57 PM
12:26 AM - 1:56 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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