Chelsea Weather

42°23'N 71°1'W

Home Harbor Resources

Current Conditions
Overcast
43°F
Feels like: 37°F
Wind Chill: 37°F Ceiling: 3000ft
Heat Index: 43°F Visibility: 10mi
Dew Point: 33°F Wind: 10mph
Humidity: 68% Direction: 40° (NE)
Pressure: 30.21" Gusts: -
Reported: 6 minutes 43 seconds ago
December 16, 2018 3:50 am EST
Location: 42.346N 70.651W or 9 nautical miles E of search location of 42.325047128151N 70.846710205078W.
Wind Direction: NE (50°)
Wind Speed: 19 knots
Wind Gust: 23 knots
Significant Wave Height: 5 ft
Dominant Wave Period: 6 sec
Average Period: 4.5 sec
Mean Wave Direction: ENE (62°)
Atmospheric Pressure: 30.15 in (1020.9 mb)
Pressure Tendency: -0.04 in (-1.2 mb)
Air Temperature: 43°F (6.3°C)
Dew Point: 36°F (2.1°C)
Water Temperature: 46°F (7.8°C)
December 16, 2018 4:30 am EST
Location: 42.355N 71.05W or 9 nautical miles WNW of search location of 42.325047128151N 70.846710205078W.
Atmospheric Pressure: 30.19 in (1022.4 mb)
Air Temperature: 41°F (4.9°C)
December 16, 2018 4:04 am EST
Location: 42.523N 70.566W or 17 nautical miles NE of search location of 42.325047128151N 70.846710205078W.
Wind Direction: ENE (70°)
Wind Speed: 17 knots
Wind Gust: 21 knots
Significant Wave Height: 5 ft
Dominant Wave Period: 5 sec
Atmospheric Pressure: 30.15 in (1021.0 mb)
Air Temperature: 42°F (5.8°C)
Water Temperature: 44°F (6.9°C)
Visibility: 1.6 nmi
Sunday, December 16
7:07am / 4:12pm 12:47pm / 12:07am
Rain
44°
37°
Day: A few showers early becoming a steady rain for the afternoon. High 44F. Winds ENE at 15 to 25 mph. Chance of rain 60%. Higher wind gusts possible.
Night: Periods of rain. Low 37F. Winds NNE at 15 to 25 mph. Chance of rain 100%. Rainfall around a half an inch. Higher wind gusts possible.
Monday, December 17
7:07am / 4:13pm 1:14pm / 1:08am
AM Rain/Snow Showers
44°
26°
Day: Cloudy with showers of rain and wet snow in the morning. High 44F. Winds NW at 15 to 25 mph. Chance of rain 40%.
Night: Partly cloudy and windy. Low 26F. Winds NW at 20 to 30 mph. Higher wind gusts possible.
Tuesday, December 18
7:08am / 4:13pm 1:42pm / 2:12am
Sunny/Wind
32°
22°
Mainly sunny and windy. Highs in the low 30s and lows in the low 20s.
Wednesday, December 19
7:08am / 4:13pm 2:14pm / 3:18am
Partly Cloudy
40°
31°
Partly cloudy. Highs in the low 40s and lows in the low 30s.
Thursday, December 20
7:09am / 4:14pm 2:52pm / 4:27am
Partly Cloudy
46°
40°
Partly cloudy. Highs in the mid 40s and lows in the low 40s.
Friday, December 21
7:09am / 4:14pm 3:36pm / 5:38am
Rain
56°
45°
Cloudy, periods of rain. Highs in the mid 50s and lows in the mid 40s.
Saturday, December 22
7:10am / 4:15pm 4:29pm / 6:48am
Partly Cloudy
47°
36°
Partly cloudy. Highs in the upper 40s and lows in the mid 30s.
Sunday, December 23
7:10am / 4:15pm 5:31pm / 7:53am
Partly Cloudy
42°
30°
Mix of sun and clouds. Highs in the low 40s and lows in the low 30s.
Monday, December 24
7:11am / 4:16pm 6:40pm / 8:52am
Partly Cloudy
36°
27°
Mix of sun and clouds. Highs in the mid 30s and lows in the upper 20s.
Tuesday, December 25
7:11am / 4:17pm 7:53pm / 9:42am
Sunny
36°
28°
Sunshine. Highs in the mid 30s and lows in the upper 20s.
Wind Forecast
Day SundayMonday
MPH 14 14 17 18 17 20 16 17 14 15 20 23
NE
E
ENE
ENE
NE
NNE
NNW
NW
WNW
WNW
WNW
WNW
Radar

Home Harbor Resources

Marine Forecast
...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...
Synopsis: ANZ200-162115- 343 AM EST Sun Dec 16 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Storm center will sweep just offshore of Nantucket late tonight into Monday morning. Widespread rain with gale force winds surrounding the storm. Behind the storm, cold air will race in along with blustery NW winds late Monday into Monday night with potential gusts in excess of 40 kts. Gales lingering Tuesday, dampening Tuesday night into Wednesday as high pressure sweeps over the waters. S flow for late Wednesday into Thursday ahead of a potential slug of rain and blustery S winds, muggy conditions for Friday. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$
Today
E wind 15 to 18 kt, with gusts as high as 26 kt. Rain likely, mainly after 3pm. Seas 3 to 4 ft.
Tonight
ENE wind 19 to 23 kt, with gusts as high as 32 kt. Rain. Patchy fog between 10pm and midnight, then Patchy fog after 1am. Seas 5 ft building to 7 ft.
Monday
N wind 15 to 18 kt becoming NW 11 to 14 kt in the afternoon. Winds could gust as high as 27 kt. Rain likely, mainly before 11am. Patchy fog before noon. Seas 7 ft subsiding to 5 ft.
Monday Night
NW wind 17 to 20 kt increasing to 21 to 24 kt after midnight. Winds could gust as high as 37 kt. Mostly cloudy. Seas 4 to 5 ft.
Tuesday
NW wind 20 to 23 kt, with gusts as high as 36 kt. Sunny. Seas around 3 ft.
Tuesday Night
NW wind 16 to 19 kt decreasing to 12 to 15 kt after midnight. Winds could gust as high as 31 kt. Clear. Seas 2 to 3 ft.
Wednesday
WNW wind 7 to 10 kt becoming WSW in the afternoon. Sunny. Seas around 1 ft.
Wednesday Night
WSW wind around 10 kt. Partly cloudy. Seas around 1 ft.
Thursday
WSW wind 6 to 8 kt becoming S in the afternoon. Mostly sunny. Seas around 1 ft.
Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.