Water Temperature of Delaware Bay in Greenwich, NJ
Current Water Temperature
Measurement Time: Saturday, February 7, 2026, 8:54 AM EST
Today's Tides
High: February 7, 1:30 AM, 5.3 ft
Low: February 7, 7:58 AM, 0.0 ft
High: February 7, 1:47 PM, 4.9 ft
Low: February 7, 8:12 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, DEStation 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

Five Day Weather Forecast

Sat
H: 25°F
L: 7°F

Sun
H: 21°F
L: 4°F

Mon
H: 27°F
L: 11°F

Tue
H: 40°F
L: 22°F

Wed
H: 41°F
L: 24°F
Air Quality
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 72 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:29 PM
Daylight: 10 hrs 27 mins
Moon Transit: 4:18 AM
Moonset: 9:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
3:48 AM - 6:18 AM6:10 PM - 8:40 PM
Minor Periods
12:00 AM - 12:00 AM9:08 AM - 10:38 AM
Action Rating: 2 out of 5
High Wind Warning issued February 6 at 2:17PM EST until February 8 at 12:00AM EST by NWS Mount Holly NJ
Effective: Fri February 6, 2026, 2:17 PM
Expires: Sat February 7, 2026, 4:15 AM
* WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with gusts up to 60 mph expected. For the Extreme Cold Warning, dangerously cold wind chills as low as 15 degrees below zero expected. * WHERE...Atlantic, Atlantic Coastal Cape May, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...For the High Wind Warning, from 4 AM Saturday to midnight EST Saturday Night. For the Extreme Cold Warning, from 6 AM Saturday to noon EST Sunday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. The cold wind chills as low as 15 degrees below zero could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...High winds potentially leading to power outages combined with extremely cold conditions could be very dangerous!
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. Secure outdoor objects. Dress in layers including a hat, face mask, and gloves if you must go outside. If you do not have heat in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the cold.
Extreme Cold Warning issued February 6 at 2:17PM EST until February 8 at 12:00PM EST by NWS Mount Holly NJ
Effective: Fri February 6, 2026, 2:17 PM
Expires: Sat February 7, 2026, 4:15 AM
* WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with gusts up to 60 mph expected. For the Extreme Cold Warning, dangerously cold wind chills as low as 15 degrees below zero expected. * WHERE...Atlantic, Atlantic Coastal Cape May, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...For the High Wind Warning, from 4 AM Saturday to midnight EST Saturday Night. For the Extreme Cold Warning, from 6 AM Saturday to noon EST Sunday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. The cold wind chills as low as 15 degrees below zero could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...High winds potentially leading to power outages combined with extremely cold conditions could be very dangerous!
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. Secure outdoor objects. Dress in layers including a hat, face mask, and gloves if you must go outside. If you do not have heat in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the cold.
Snow Squall Warning issued February 7 at 7:18AM EST until February 7 at 7:45AM EST by NWS Mount Holly NJ
Effective: Sat February 7, 2026, 7:18 AM
Expires: Sat February 7, 2026, 7:45 AM
The National Weather Service in Mount Holly NJ has issued a * Snow Squall Warning for... Northeastern New Castle County in northern Delaware... Northeastern Cumberland County in southern New Jersey... Central Salem County in southern New Jersey... Western Gloucester County in southern New Jersey... South central Berks County in eastern Pennsylvania... Central Chester County in southeastern Pennsylvania... Southwestern Delaware County in southeastern Pennsylvania... * Until 745 AM EST. * At 718 AM EST, a dangerous snow squall was located along a line extending from near New Morgan to near Chester, moving southeast at 25 mph. HAZARD...Flash freeze on roads. Intense bursts of heavy snow and gusty winds leading to blowing snow and visibility rapidly falling to less than one-quarter mile. Wind gusts greater than 35 mph. SOURCE...Radar indicated. IMPACT...Travel will become difficult and potentially dangerous within minutes. Interstates 95, 295 and 495 and the New Jersey Turnpike will be impacted by this squall. Locations impacted include... Wilmington, Vineland, Millville, West Chester, Chester, Glassboro, Pennsville, Coatesville, Westtown, Clayton, Carneys Point, Downingtown, Swarthmore, Elsmere, Kennett Square, Penns Grove, Buena, Parkesburg, Woodstown, and Alloway.
Wet roadways will quickly freeze. Black ice will cause roads, bridges, and overpasses to become slick and dangerous. Slow down and be prepared for a sudden loss of traction. Slow Down! Rapid changes in visibility and road conditions are expected with this dangerous snow squall. Be alert for sudden whiteout conditions.
Snow Squall Warning issued February 7 at 7:29AM EST until February 7 at 7:45AM EST by NWS Mount Holly NJ
Effective: Sat February 7, 2026, 7:29 AM
Expires: Sat February 7, 2026, 7:45 AM
At 728 AM EST, a dangerous snow squall was located along a line extending from 16 miles south of Surf City to Victory Lakes, moving southeast at 55 mph. HAZARD...Flash freeze on roads. Intense bursts of heavy snow. Gusty winds leading to blowing snow and visibility rapidly falling to less than one-quarter mile. Wind gusts greater than 35 mph. SOURCE...Radar indicated. IMPACT...Travel will become difficult and potentially dangerous within minutes. Atlantic City Expressway and the Garden State Parkway will be impacted by the squall. Locations impacted include... Vineland, Atlantic City, Ocean City, Pleasantville, Glassboro, Hammonton, Somers Point, Ventnor City, Brigantine, Pitman, Northfield, Absecon, Clayton, Margate City, Paulsboro, Buena, Egg Harbor City, Weymouth, Estell Manor, and Chesilhurst.
Wet roadways will quickly freeze. Black ice will cause roads, bridges, and overpasses to become slick and dangerous. Slow down and be prepared for a sudden loss of traction. Slow Down! Rapid changes in visibility and road conditions are expected with this dangerous snow squall. Be alert for sudden whiteout conditions.
Extreme Cold Warning issued February 7 at 2:08AM EST until February 8 at 12:00PM EST by NWS Mount Holly NJ
Effective: Sat February 7, 2026, 2:08 AM
Expires: Sat February 7, 2026, 6:00 PM
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 12 below. For the High Wind Warning, northwest winds 15 to 25 mph with gusts up to 60 mph. * WHERE...Atlantic, Atlantic Coastal Cape May, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...For the Extreme Cold Warning, until noon EST Sunday. For the High Wind Warning, until midnight EST tonight. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. Secure outdoor objects. Dress in layers including a hat, face mask, and gloves if you must go outside. If you do not have heat in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the cold.
Weather Forecast
Air Quality
Nitrogen Dioxide: 16.13 μg/m3
Sulphur Dioxide: 5.79 μg/m3
Ozone: 58.16 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:29 PM
Daylight: 10 hrs 27 mins
Moon Transit: 4:18 AM
Moonset: 9:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
3:48 AM - 6:18 AM6:10 PM - 8:40 PM
Minor Periods
12:00 AM - 12:00 AM9:08 AM - 10:38 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.45 μg/m3
Sulphur Dioxide: 3.29 μg/m3
Ozone: 73.24 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:30 PM
Daylight: 10 hrs 29 mins
Moon Transit: 5:01 AM
Moonset: 10:04 AM
Moon Phase: Last Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
4:31 AM - 7:01 AM6:54 PM - 9:24 PM
Minor Periods
9:34 AM - 11:04 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 14.05 μg/m3
Sulphur Dioxide: 3.97 μg/m3
Ozone: 63 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:31 PM
Daylight: 10 hrs 31 mins
Moon Transit: 5:46 AM
Moonset: 10:33 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%
Best Times for Fishing or Hunting
Major Periods
5:16 AM - 7:46 AM7:41 PM - 10:11 PM
Minor Periods
10:03 AM - 11:33 AM12:25 AM - 1:55 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 26.68 μg/m3
Sulphur Dioxide: 5.83 μg/m3
Ozone: 47.12 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:33 PM
Daylight: 10 hrs 33 mins
Moon Transit: 6:34 AM
Moonset: 11:08 AM
Moon Phase: Last Quarter
Moon Illumination: 30.3%
Best Times for Fishing or Hunting
Major Periods
6:04 AM - 8:34 AM8:30 PM - 11:00 PM
Minor Periods
10:38 AM - 12:08 AM1:27 AM - 2:57 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 22.56 μg/m3
Sulphur Dioxide: 4.87 μg/m3
Ozone: 47.77 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:34 PM
Daylight: 10 hrs 36 mins
Moon Transit: 7:24 AM
Moonset: 11:50 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%
Best Times for Fishing or Hunting
Major Periods
6:54 AM - 9:24 AM9:21 PM - 11:51 PM
Minor Periods
11:20 AM - 12:50 AM2:27 AM - 3:57 AM
Action Rating: 3 out of 5
