Water Temperature of Delaware Bay in Lewes, DE

Current Water Temperature

71.2°F

Measurement Time: Friday, September 12, 2025, 11:18 AM EDT

Today's Tides

High: September 12, 12:23 AM, 4.42 ft
 Low: September 12, 6:16 AM, 0.18 ft
High: September 12, 12:50 PM, 5.28 ft
 Low: September 12, 7:10 PM, 0.45 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°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 54%
Feels Like: 78.7°F
Wind: ENE 6.7 mph
Wind Gusts: 8.6 mph
Pressure: 30.2 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 4.8

Five Day Weather Forecast

Partly Cloudy
Fri
H: 75°F
L: 63°F
Sunny
Sat
H: 75°F
L: 66°F
Partly Cloudy
Sun
H: 76°F
L: 64°F
Sunny
Mon
H: 73°F
L: 64°F
Sunny
Tue
H: 72°F
L: 67°F

Air Quality

AQI: 2 - Moderate
PM2.5: 22.33 μg/m3
PM10: 25.96 μg/m3
Carbon Monoxide: 408.43 μg/m3
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 5.63 μg/m3
Ozone: 172 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:56 AM
Sunset: 7:13 PM
Daylight: 12 hrs 33 mins
Moonrise: 9:59 PM
Moon Transit: 4:48 AM
Moonset: 12:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
6:51 PM - 9:21 PM

Minor Periods

9:29 PM - 10:59 PM
12:01 AM - 1:31 PM

Action Rating: 4 out of 5

Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued September 12 at 6:57AM EDT until September 12 at 8:00PM EDT by NWS Wakefield VA

Effective: Fri September 12, 2025, 6:57 AM
Expires: Fri September 12, 2025, 3:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Dorchester, Wicomico and Somerset Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Friday, September 12, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 68°F
Average Humidity: 90%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 1.6

Air Quality

AQI: 2 - Moderate
PM2.5: 22.94 μg/m3
PM10: 24.48 μg/m3
Carbon Monoxide: 408.29 μg/m3
Nitrogen Dioxide: 19.7 μg/m3
Sulphur Dioxide: 4.83 μg/m3
Ozone: 110.8 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:56 AM
Sunset: 7:13 PM
Daylight: 12 hrs 33 mins
Moonrise: 9:59 PM
Moon Transit: 4:48 AM
Moonset: 12:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
6:51 PM - 9:21 PM

Minor Periods

9:29 PM - 10:59 PM
12:01 AM - 1:31 PM

Action Rating: 4 out of 5

Saturday, September 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.3°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 20.05 μg/m3
PM10: 24.63 μg/m3
Carbon Monoxide: 328.13 μg/m3
Nitrogen Dioxide: 8.5 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 126.92 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:56 AM
Sunset: 7:11 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:49 PM
Moon Transit: 5:47 AM
Moonset: 1:45 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
7:52 PM - 10:22 PM

Minor Periods

10:19 PM - 11:49 PM
1:15 PM - 2:45 PM

Action Rating: 2 out of 5

Sunday, September 14, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 69.4°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 12.55 μg/m3
PM10: 15.52 μg/m3
Carbon Monoxide: 322.24 μg/m3
Nitrogen Dioxide: 5.59 μg/m3
Sulphur Dioxide: 3.04 μg/m3
Ozone: 111.92 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:55 AM
Sunset: 7:10 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:49 PM
Moon Transit: 6:49 AM
Moonset: 2:53 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

6:19 AM - 8:49 AM
8:54 PM - 11:24 PM

Minor Periods

12:00 AM - 12:00 AM
2:23 PM - 3:53 PM

Action Rating: 3 out of 5

Monday, September 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.8°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 18.06 μg/m3
PM10: 21.54 μg/m3
Carbon Monoxide: 319.05 μg/m3
Nitrogen Dioxide: 7.65 μg/m3
Sulphur Dioxide: 3.27 μg/m3
Ozone: 110.72 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:55 AM
Sunset: 7:08 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:49 AM
Moon Transit: 7:51 AM
Moonset: 3:50 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:21 AM - 9:51 AM
12:00 AM - 12:00 AM

Minor Periods

3:20 PM - 4:50 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.5°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 6

Air Quality

AQI: 2 - Moderate
PM2.5: 20.39 μg/m3
PM10: 27.13 μg/m3
Carbon Monoxide: 328.56 μg/m3
Nitrogen Dioxide: 5.92 μg/m3
Sulphur Dioxide: 2.51 μg/m3
Ozone: 107.77 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:55 AM
Sunset: 7:06 PM
Daylight: 12 hrs 23 mins
Moonrise: 12:56 AM
Moon Transit: 8:50 AM
Moonset: 4:37 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:20 AM - 10:50 AM
12:00 AM - 12:00 AM

Minor Periods

4:07 PM - 5:37 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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