Nummy Island, Grassy Sound Channel, NJ Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Thu
Jun 18 		Showers/Wind Late
Close Hourly 		-º / 72º 35% W 21 mph 62%
4pm Sunny/Wind 88º 1% WSW 21 mph 53%
5pm Mostly Sunny/Wind 88º 1% WSW 20 mph 54%
6pm Partly Cloudy/Wind 86º 1% WSW 20 mph 57%
7pm Partly Cloudy 86º 1% WSW 17 mph 54%
8pm Partly Cloudy 84º 1% WSW 15 mph 58%
9pm Partly Cloudy 82º 1% WSW 14 mph 62%
10pm Mostly Cloudy 81º 3% WSW 12 mph 65%
11pm Mostly Cloudy 80º 6% W 11 mph 66%
Fri
Jun 19 		Showers
View Hourly 		76º / 67º 52% W 9 mph 65%
12am Mostly Cloudy 79º 2% W 10 mph 66%
1am Mostly Cloudy 78º 6% W 10 mph 67%
2am Cloudy 77º 10% W 10 mph 67%
3am Cloudy 77º 9% W 9 mph 67%
4am Cloudy 76º 14% W 8 mph 70%
5am Cloudy 74º 11% WNW 7 mph 70%
6am Showers 73º 36% WNW 5 mph 71%
7am Showers 73º 46% WNW 6 mph 73%
8am Showers 73º 42% WNW 6 mph 69%
9am Showers 73º 39% WNW 6 mph 65%
10am Showers 73º 47% WNW 6 mph 65%
11am Showers 72º 53% WNW 7 mph 67%
12pm Showers 72º 47% W 8 mph 67%
1pm Showers 72º 35% W 8 mph 66%
2pm Showers 72º 37% W 7 mph 64%
3pm Cloudy 73º 6% W 7 mph 64%
4pm Partly Cloudy 74º 4% W 8 mph 61%
5pm Partly Cloudy 76º 3% WSW 9 mph 58%
6pm Mostly Sunny 76º 2% W 8 mph 57%
7pm Sunny 76º 2% W 9 mph 57%
8pm Sunny 75º 3% WNW 8 mph 59%
9pm Clear 74º 3% W 8 mph 63%
10pm Clear 74º 2% WNW 9 mph 62%
11pm Clear 74º 1% WNW 11 mph 59%
Sat
Jun 20 		Sunny
View Hourly 		84º / 67º 1% WNW 15 mph 47%
12am Clear 73º 0% WNW 11 mph 58%
1am Clear 72º 0% WNW 11 mph 59%
2am Clear 71º 0% WNW 12 mph 60%
3am Clear 70º 1% WNW 12 mph 62%
4am Clear 69º 1% WNW 12 mph 63%
5am Clear 68º 1% WNW 12 mph 65%
6am Sunny 68º 2% WNW 12 mph 66%
7am Sunny 69º 1% WNW 13 mph 66%
8am Sunny 72º 1% WNW 14 mph 60%
9am Sunny 74º 0% WNW 14 mph 55%
10am Sunny 75º 0% WNW 14 mph 50%
11am Sunny 77º 0% WNW 15 mph 46%
12pm Sunny 78º 0% WNW 15 mph 44%
1pm Sunny 80º 0% WNW 15 mph 42%
2pm Sunny 81º 0% WNW 15 mph 41%
3pm Sunny 82º 0% W 15 mph 40%
Sun
Jun 21 		Mostly Sunny 82º / 69º 3% W 10 mph 54%
Mon
Jun 22 		Rain/Wind 84º / 71º 75% S 20 mph 67%
Tue
Jun 23 		AM Showers 82º / 65º 42% WNW 13 mph 65%
Wed
Jun 24 		Partly Cloudy 80º / 68º 10% WSW 10 mph 57%
Thu
Jun 25 		Partly Cloudy 81º / 67º 24% SSW 12 mph 63%

Weather Radar for Nummy Island, Grassy Sound Channel, NJ See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Nummy Island, Grassy Sound Channel, NJ

This Afternoon
High : 86ºF
SW wind around 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms after 2pm. Seas around 1 ft.
Tonight
Low : 70ºF
W wind 5 to 10 kt. A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Seas around 1 ft.
Juneteenth
High : 78ºF
Variable winds 5 kt or less. A chance of showers before 1pm. Seas around 1 ft.
Friday Night
Low : 67ºF
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Saturday
High : 80ºF
W wind 5 to 10 kt. Sunny. Seas around 1 ft.
Saturday Night
Low : 68ºF
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Sunday
High : 90ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Sunday Night
Low : 72ºF
S wind 5 to 10 kt. A chance of showers and thunderstorms after 2am. Seas around 1 ft.
Monday
High : 89ºF
S wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 1 ft.

NOAA Buoy Data Near Nummy Island, Grassy Sound Channel, NJ See Map

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    Wind Speed Forecast for Nummy Island, Grassy Sound Channel, NJ

    ThursdayFridaySaturday
    Wind Speed (MPH) 2115108688811121415
    8pm12am4am8am12pm4pm8pm12am4am8am12pm4pm
    MPH 2115108688811121415
    DIR WSWWSWWWWNWWWWNWWNWWNWWNWWNW

    Current Weather Conditions In Nummy Island, Grassy Sound Channel, NJ

    As Of: 2 minutes ago

    • 88ºF
    • 94ºF
    • 21mph
    • 0º (WSW)
    • 33mph
    • Sunny/Wind
    • 10mi
    • 29.61"
    • 53%
    • 0ºF

    The weather right now in Nummy Island, Grassy Sound Channel, NJ is Sunny/Wind. The current temperature is 88°F, and the expected high and low for today, Thursday, June 18, 2026, are -° high temperature and 72°F low temperature. The wind is currently blowing at 21 miles per hour, and coming from the West Southwest. The wind is gusting to 33 mph. With the wind and the atmosphere the temperature feels like 94° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 53 percent, and air pressure at 29.61 in. Visibility is 10 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Rip Current Statement - 12:25pm Thu Jun 18 2026

    ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

    WHAT: Dangerous rip currents.

    WHERE: In Delaware, Delaware Beaches. In New Jersey, Eastern
    Monmouth, Atlantic Coastal Cape May and Coastal Atlantic.

    WHEN: Until 8 PM EDT this evening.

    IMPACTS: Rip currents can sweep even the best swimmers away
    from shore into deeper water.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Always obey posted Beach Flags. If you enter the surf zone,
    always have a floatation device with you and swim near a
    lifeguard if possible. If caught in a rip current, relax and
    float and do not swim against the current. If able, swim parallel
    to the shoreline. If unable to escape, face the shore and call or
    wave for help.

    &&

    Small Craft Advisory - 2:56pm Thu Jun 18 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

    WHAT: Southwest winds 15 to 25 kt with gusts up to 30 kt and
    seas 3 to 6 ft.

    WHERE: Portions of Atlantic coastal waters.

    WHEN: Until midnight EDT tonight.

    IMPACTS: Conditions will be hazardous to small craft.

    ADDITIONAL DETAILS: Brief gale force wind gusts near 35 kt will
    remain possible along the nearshore coastal waters this
    afternoon. Any thunderstorms that develop could also produce
    brief gale force wind gusts during the afternoon and evening
    hours.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&