Water Temperature of Delaware Bay in Greenwich, NJ

Current Water Temperature

Current temperature data is
not available at this time.

Today's Tides

High: August 26, 12:23 AM, 6.23 ft
 Low: August 26, 6:57 AM, 0.41 ft
High: August 26, 12:51 PM, 6.03 ft
 Low: August 26, 7:14 PM, 0.74 ft

Temperature Locations

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Local Points of Interest

Ship John Shoal Lighthouse; Bombay Hook National Wildlife Refuge; Bridgeton, NJ; Sea Breeze, NJ; Smyrna, DE; Dover, DE

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Delaware Bay

Station Name: Ship John Shoal
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet / 0 meters

Sensor Depth: -2.2 feet / -0.7 meters

Nearest Address:
Ship John Shoal Lighthouse
Greenwich, NJ 08323
Cumberland County

GPS Coordinates: 39.30500, -75.37500

Nearby Water Temperatures

St. Jones River, Dover, DE (12.4 mi)
Appoquinimink River, Odessa, DE (16.9 mi)
Delaware River, Middletown, DE (17.0 mi)
Silver Lake Tributary, Townsend, DE (19.9 mi)
Chesapeake & Delaware Canal, Port Penn, DE (20.4 mi)
Murderkill River, Frederica, DE (20.8 mi)
Chesapeake and Delaware Canal, Delaware City, DE (21.6 mi)
Delaware River, New Castle, DE (27.7 mi)
Chesapeake & Delaware Canal, Chesapeake City, MD (27.8 mi)
Beaverdam Branch, Houston, DE (28.6 mi)
Christina River, Newark, DE (29.7 mi)
Christina River, Newport, DE (30.7 mi)
Christina River, Wilmington, DE (31.1 mi)
White Clay Creek, Stanton, DE (31.2 mi)
White Clay Creek, Newark, DE (31.6 mi)

Weather for Greenwich, New Jersey

Current Weather

72.7°F
Overcast
Conditions: Overcast
Humidity: 58%
Feels Like: 76.6°F
Wind: NW 6.5 mph
Wind Gusts: 11.3 mph
Pressure: 29.93 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Tue
H: 82°F
L: 59°F
Sunny
Wed
H: 75°F
L: 59°F
Overcast
Thu
H: 77°F
L: 60°F
Patchy rain nearby
Fri
H: 75°F
L: 60°F
Sunny
Sat
H: 74°F
L: 52°F

Air Quality

PM2.5: 9.62 μg/m3
PM10: 9.62 μg/m3
Carbon Monoxide: 377.4 μg/m3
Nitrogen Dioxide: 22.39 μg/m3
Sulphur Dioxide: 11.84 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:03 PM
Sunset: 7:41 PM
Daylight: 13 hrs 16 mins
Moonrise: 9:45 AM
Moon Transit: 3:31 PM
Moonset: 9:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
3:01 PM - 5:31 PM

Minor Periods

8:39 PM - 10:09 PM
9:15 AM - 10:45 AM

Action Rating: 2 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70.9°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 11.46 μg/m3
PM10: 11.54 μg/m3
Carbon Monoxide: 343.29 μg/m3
Nitrogen Dioxide: 21.01 μg/m3
Sulphur Dioxide: 8.74 μg/m3
Ozone: 78.68 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:03 PM
Sunset: 7:41 PM
Daylight: 13 hrs 16 mins
Moonrise: 9:45 AM
Moon Transit: 3:31 PM
Moonset: 9:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
3:01 PM - 5:31 PM

Minor Periods

8:39 PM - 10:09 PM
9:15 AM - 10:45 AM

Action Rating: 2 out of 5

Wednesday, August 27, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 15.2 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 11.53 μg/m3
PM10: 11.63 μg/m3
Carbon Monoxide: 370.81 μg/m3
Nitrogen Dioxide: 20.81 μg/m3
Sulphur Dioxide: 9 μg/m3
Ozone: 76.12 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:02 PM
Sunset: 7:39 PM
Daylight: 13 hrs 13 mins
Moonrise: 10:46 AM
Moon Transit: 4:12 PM
Moonset: 9:31 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
3:42 PM - 6:12 PM

Minor Periods

9:01 PM - 10:31 PM
10:16 AM - 11:46 AM

Action Rating: 2 out of 5

Thursday, August 28, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 69°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 16.8 mph
UV Index: 1.7

Air Quality

AQI: 2 - Moderate
PM2.5: 20.46 μg/m3
PM10: 20.59 μg/m3
Carbon Monoxide: 379.1 μg/m3
Nitrogen Dioxide: 41.97 μg/m3
Sulphur Dioxide: 7.89 μg/m3
Ozone: 75.76 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:02 PM
Sunset: 7:38 PM
Daylight: 13 hrs 11 mins
Moonrise: 11:47 AM
Moon Transit: 4:55 PM
Moonset: 9:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
4:25 PM - 6:55 PM

Minor Periods

9:26 PM - 10:56 PM
11:17 AM - 12:47 AM

Action Rating: 3 out of 5

Friday, August 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 66.8°F
Average Humidity: 64%
Chance of Rain: 87%
Wind: 15.2 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 23.54 μg/m3
PM10: 23.75 μg/m3
Carbon Monoxide: 365.87 μg/m3
Nitrogen Dioxide: 11.68 μg/m3
Sulphur Dioxide: 7.1 μg/m3
Ozone: 104.08 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:02 PM
Sunset: 7:36 PM
Daylight: 13 hrs 8 mins
Moonrise: 12:50 AM
Moon Transit: 5:40 PM
Moonset: 10:26 PM
Moon Phase: Waxing Crescent
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

6:48 AM - 9:18 AM
5:10 PM - 7:40 PM

Minor Periods

9:56 PM - 11:26 PM
12:20 AM - 1:50 PM

Action Rating: 4 out of 5

Saturday, August 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 59.8°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 0.1

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:02 PM
Sunset: 7:35 PM
Daylight: 13 hrs 6 mins
Moonrise: 1:52 PM
Moon Transit: 6:28 PM
Moonset: 11:01 PM
Moon Phase: First Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

7:35 AM - 10:05 AM
5:58 PM - 8:28 PM

Minor Periods

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

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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