Water Temperature of Delaware Bay in Greenwich, NJ

Current Water Temperature

34.0°F

Measurement Time: Monday, February 23, 2026, 11:30 PM EST

Today's Tides

 High: February 23, 1:39 AM, 5.8 ft
Low: February 23, 8:36 AM, 0.0 ft
 High: February 23, 2:12 PM, 4.8 ft
Low: February 23, 8:39 PM, -0.1 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

Delaware Bay

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

Elevation Above Sea Level: 0 feet

Sensor Depth: -2 feet

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 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

32°F
Overcast
Overcast
20.8°F
29.6°F
66%
NW 17.2 mph
27.5 mph
20.2°F
23.2°F
0 in
0%
9 mi
1011 mbar
0

Five Day Weather Forecast

Patchy moderate snow
Mon
H: 38°F
L: 28°F
Sunny
Tue
H: 38°F
L: 22°F
Moderate rain
Wed
H: 51°F
L: 29°F
Moderate rain
Thu
H: 40°F
L: 25°F
Sunny
Fri
H: 37°F
L: 21°F

Air Quality

AQI: 1 - Good
PM2.5: 4.05 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 173.85 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 3.45 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:14 AM
Sunset: 5:47 PM
Daylight: 11 hrs 4 mins
Moonrise: 9:42 AM
Moon Transit: 5:22 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
4:52 PM - 7:22 PM

Minor Periods

9:12 AM - 10:42 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Special Weather Statement issued February 23 at 6:34PM EST by NWS Mount Holly NJ

Effective: Mon February 23, 2026, 6:34 PM
Expires: Mon February 23, 2026, 11:00 PM

With a fresh snowpack and cold air advection behind the departing storm, a cold night is on tap for the region with lows bottoming out in the teens to low 20s. There may be some areas where winds can become light enough for radiational cooling, and then even colder temperatures are possible. These cold temperatures will allow for any standing water to freeze, especially on untreated roadways. Black ice is difficult to see and makes roads very slippery.


Monday, February 23, 2026

Weather Forecast

Patchy moderate snow
38.3°F
27.7°F
31.9°F
83%
0.89 in
81%
51%
26.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.03 μg/m3
PM10: 7.46 μg/m3
Carbon Monoxide: 177.89 μg/m3
Nitrogen Dioxide: 8.96 μg/m3
Sulphur Dioxide: 3.21 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:14 AM
Sunset: 5:47 PM
Daylight: 11 hrs 4 mins
Moonrise: 9:42 AM
Moon Transit: 5:22 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
4:52 PM - 7:22 PM

Minor Periods

9:12 AM - 10:42 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, February 24, 2026

Weather Forecast

Sunny
37.9°F
22.3°F
28.3°F
67%
0 in
0%
0%
17 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 5.43 μg/m3
PM10: 5.87 μg/m3
Carbon Monoxide: 177.81 μg/m3
Nitrogen Dioxide: 8.66 μg/m3
Sulphur Dioxide: 3.71 μg/m3
Ozone: 76.32 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:14 AM
Sunset: 5:48 PM
Daylight: 11 hrs 7 mins
Moonrise: 10:26 AM
Moon Transit: 6:22 PM
Moonset: 1:13 AM
Moon Phase: First Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

7:23 AM - 9:53 AM
5:52 PM - 8:22 PM

Minor Periods

9:56 AM - 11:26 AM
12:43 AM - 2:13 AM

Action Rating: 3 out of 5

Wednesday, February 25, 2026

Weather Forecast

Moderate rain
50.5°F
28.8°F
37.4°F
76%
0.24 in
84%
0%
16.1 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 11.49 μg/m3
PM10: 12.03 μg/m3
Carbon Monoxide: 196.29 μg/m3
Nitrogen Dioxide: 12.4 μg/m3
Sulphur Dioxide: 4.08 μg/m3
Ozone: 74.4 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:14 AM
Sunset: 5:50 PM
Daylight: 11 hrs 9 mins
Moonrise: 11:20 AM
Moon Transit: 7:24 PM
Moonset: 2:25 AM
Moon Phase: First Quarter
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
6:54 PM - 9:24 PM

Minor Periods

10:50 AM - 12:20 AM
1:55 AM - 3:25 AM

Action Rating: 2 out of 5

Thursday, February 26, 2026

Weather Forecast

Moderate rain
39.7°F
25.4°F
35.3°F
79%
0.36 in
86%
0%
9.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 11.19 μg/m3
PM10: 11.76 μg/m3
Carbon Monoxide: 195.59 μg/m3
Nitrogen Dioxide: 16.01 μg/m3
Sulphur Dioxide: 5.9 μg/m3
Ozone: 70.32 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:14 AM
Sunset: 5:51 PM
Daylight: 11 hrs 12 mins
Moonrise: 12:26 AM
Moon Transit: 8:27 PM
Moonset: 3:29 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

9:28 AM - 11:58 AM
7:57 PM - 10:27 PM

Minor Periods

11:56 AM - 1:26 PM
2:59 AM - 4:29 AM

Action Rating: 2 out of 5

Friday, February 27, 2026

Weather Forecast

Sunny
36.7°F
20.5°F
28°F
89%
0 in
0%
0%
6.5 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 8.35 μg/m3
PM10: 10.32 μg/m3
Carbon Monoxide: 186.27 μg/m3
Nitrogen Dioxide: 8.23 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 81.15 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:14 AM
Sunset: 5:52 PM
Daylight: 11 hrs 14 mins
Moonrise: 1:38 PM
Moon Transit: 9:27 PM
Moonset: 4:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

10:30 AM - 1:00 PM
8:57 PM - 11:27 PM

Minor Periods

1:08 PM - 2:38 PM
3:53 AM - 5:23 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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