Water Temperature of Delaware Bay in Lewes, DE

Current Water Temperature

73.9°F

Measurement Time: Tuesday, August 5, 2025, 11:12 AM EDT

Today's Tides

 Low: August 5, 12:24 AM, 1.10 ft
High: August 5, 6:15 AM, 3.19 ft
 Low: August 5, 11:57 AM, 0.88 ft
High: August 5, 6:44 PM, 4.54 ft

Temperature Locations

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Local Points of Interest

Breakwater Harbor; Lewes Beach; Cape Henlopen State Park

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Delaware Bay

Station Name: Lewes
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 10 feet / 3 meters

Sensor Depth: -7.9 feet / -2.4 meters

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 (34.0 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

75.9°F
Cloudy
Conditions: Cloudy
Humidity: 69%
Feels Like: 79.3°F
Wind: ENE 3.8 mph
Wind Gusts: 5.1 mph
Pressure: 30.29 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 6.1

Five Day Weather Forecast

Overcast
Tue
H: 77°F
L: 71°F
Overcast
Wed
H: 75°F
L: 73°F
Partly Cloudy
Thu
H: 76°F
L: 72°F
Partly Cloudy
Fri
H: 75°F
L: 71°F
Sunny
Sat
H: 75°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 35.58 μg/m3
PM10: 37.39 μg/m3
Carbon Monoxide: 393.91 μg/m3
Nitrogen Dioxide: 4.18 μg/m3
Sulphur Dioxide: 4.9 μg/m3
Ozone: 138 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:06 PM
Sunset: 8:07 PM
Daylight: 14 hrs 1 mins
Moonrise: 5:57 PM
Moon Transit: 10:22 PM
Moonset: 1:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

11:30 AM - 2:00 PM
12:00 AM - 12:00 AM

Minor Periods

5:27 PM - 6:57 PM
1:24 AM - 2:54 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued August 5 at 6:46AM EDT until August 5 at 8:00PM EDT by NWS Wakefield VA

Effective: Tue August 5, 2025, 6:46 AM
Expires: Tue August 5, 2025, 3:00 PM

* WHAT...Breaking waves of 3 to 4 feet will result in rough surf conditions and a high risk of rip currents. * WHERE...In Maryland, Maryland Beaches County. In North Carolina, Eastern Currituck County. In Virginia, Virginia Beach, and Accomack and Northampton Counties. * WHEN...Through this evening. * IMPACTS...Dangerous swimming and surfing conditions.

Remain out of the water to avoid hazardous swimming conditions.


Air Quality Alert issued August 4 at 11:08AM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 11:08 AM
Expires: Tue August 5, 2025, 11:15 AM

The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone and Fine Particulates, until midnight EDT tonight. 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


Air Quality Alert issued August 4 at 9:39AM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 9:39 AM
Expires: Tue August 5, 2025, 9:45 AM

The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone and Fine Particulates, until midnight EDT tonight. 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.


Air Quality Alert issued August 4 at 4:48PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 4:48 PM
Expires: Wed August 6, 2025, 12:00 AM

The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone, until midnight EDT tonight. 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


Air Quality Alert issued August 4 at 11:08AM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 4, 2025, 11:08 AM
Expires: Tue August 5, 2025, 11:15 AM

The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone and Fine Particulates, until midnight EDT tonight. 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


Tuesday, August 5, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 73.1°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 25.56 μg/m3
PM10: 27.77 μg/m3
Carbon Monoxide: 433.19 μg/m3
Nitrogen Dioxide: 8.31 μg/m3
Sulphur Dioxide: 3 μg/m3
Ozone: 109.48 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:06 PM
Sunset: 8:07 PM
Daylight: 14 hrs 1 mins
Moonrise: 5:57 PM
Moon Transit: 10:22 PM
Moonset: 1:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

11:30 AM - 2:00 PM
12:00 AM - 12:00 AM

Minor Periods

5:27 PM - 6:57 PM
1:24 AM - 2:54 AM

Action Rating: 2 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 73.6°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 14.1 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 33.16 μg/m3
PM10: 40.11 μg/m3
Carbon Monoxide: 435.52 μg/m3
Nitrogen Dioxide: 4.76 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 97.48 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:06 PM
Sunset: 8:06 PM
Daylight: 13 hrs 59 mins
Moonrise: 6:46 PM
Moon Transit: 11:17 PM
Moonset: 2:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 PM
12:00 AM - 12:00 AM

Minor Periods

6:16 PM - 7:46 PM
2:20 AM - 3:50 AM

Action Rating: 3 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 73.9°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 16.1 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 34.73 μg/m3
PM10: 43.42 μg/m3
Carbon Monoxide: 401.1 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 89.08 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:06 PM
Sunset: 8:05 PM
Daylight: 13 hrs 57 mins
Moonrise: 7:27 PM
Moon Transit: 12:00 AM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:18 PM - 3:48 PM

Minor Periods

6:57 PM - 8:27 PM
3:24 AM - 4:54 AM

Action Rating: 3 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 73.1°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 13.99 μg/m3
PM10: 21.23 μg/m3
Carbon Monoxide: 245.93 μg/m3
Nitrogen Dioxide: 1.99 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 79.6 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:06 PM
Sunset: 8:03 PM
Daylight: 13 hrs 55 mins
Moonrise: 8:02 PM
Moon Transit: 12:11 AM
Moonset: 5:02 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:11 PM - 4:41 PM

Minor Periods

7:32 PM - 9:02 PM
4:32 AM - 6:02 AM

Action Rating: 4 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 72.9°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 13.67 μg/m3
PM10: 20.57 μg/m3
Carbon Monoxide: 252.46 μg/m3
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 76.54 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:05 PM
Sunset: 8:02 PM
Daylight: 13 hrs 53 mins
Moonrise: 8:32 PM
Moon Transit: 1:03 AM
Moonset: 6:13 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
3:01 PM - 5:31 PM

Minor Periods

8:02 PM - 9:32 PM
5:43 AM - 7:13 AM

Action Rating: 5 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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