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Coast Guard Beach

Eastham, Massachusetts· New England Coast

Part of the Cape Cod National Seashore, backed by dunes and open to the North Atlantic. The water stays cold well into summer and the shore break can be heavy, but the long undeveloped stretch is exceptional for walking and beachcombing.

Updated Sep 25,

Coastal Flood Warning

Coastal Flood Warning issued September 25 at 7:20AM EDT until September 27 at 8:00PM EDT by NWS Boston/Norton MA

In effect until 8:00 PM. Issued by NWS Boston/Norton MA. Read the full alert

High Surf Advisory

High Surf Advisory issued September 25 at 7:20AM EDT until September 27 at 8:00PM EDT by NWS Boston/Norton MA

In effect until 8:00 PM. Issued by NWS Boston/Norton MA. Read the full alert

High Wind Warning

High Wind Warning issued September 25 at 1:46AM EDT until September 27 at 2:00AM EDT by NWS Boston/Norton MA

In effect until 2:00 AM. Issued by NWS Boston/Norton MA. Read the full alert

Right now · Beach Day

Poor for beach day — strong wind, likely blowing sand

Poor
Feels like
62°FGoodMild and comfortable
Wind
21 mphPoorStrong wind, likely blowing sand
Rain chance
20%GoodSlight chance of rain
Surf
4.3 ftFairSizeable surf — take care entering the water
Sky
91%FairOvercast

Activity conditions

What Coast Guard Beach is good for right now

Each activity is rated by its worst relevant condition, not an average.

Best time windows

When to go over the next two days

Windows come from the hourly forecast, so they get less certain further out.

Beach Day

No good windows in the next two days

Conditions stay below what we would call a good window through the end of the forecast.

Hourly outlook for Beach Day from 11:00 AM to 10:00 AM

Fri 11 AMSun 10 AM

Beachcombing

No good windows in the next two days

Conditions stay below what we would call a good window through the end of the forecast.

Hourly outlook for Beachcombing from 11:00 AM to 10:00 AM

Fri 11 AMSun 10 AM

Current conditions

Chance Rain

Air temperature
62°FForecastNational Weather Service· NWS BOX forecast grid
Wind
21 mphfrom the NEForecastNational Weather Service· NWS BOX forecast grid
Water temperature
60°FObservedNOAA NDBC· Cape Cod Bay, MA (221) · 20 mi away
Surf
4.3 ft5 s periodObservedNOAA NDBC· Cape Cod Bay, MA (221) · 20 mi away
Chance of rain
20%ForecastNational Weather Service· NWS BOX forecast grid
Cloud cover
91%ForecastNational Weather Service· NWS BOX forecast grid

Tide

Tide at Chatham Harbor, Aunt Lydias Cove

Heights are relative to MLLW, the NOAA chart datum for this station.

Now

Rising

Observed water level

5.7 ft

Today

  • Low 6:01 AM 0 ft
  • High 11:48 AM 5 ft
  • Low 6:14 PM 0 ft

Sat

  • High 12:03 AM 5.3 ft
  • Low 6:40 AM 0 ft
  • High 12:22 PM 5.3 ft
  • Low 7:00 PM -0.1 ft

Sun

  • High 12:42 AM 5.4 ft
  • Low 7:17 AM 0 ft
  • High 12:56 PM 5.7 ft
  • Low 7:45 PM -0.2 ft

Mon

  • High 1:22 AM 5.4 ft
  • Low 7:55 AM 0.1 ft
  • High 1:32 PM 5.9 ft
  • Low 8:32 PM -0.3 ft

Predictions from NOAA CO-OPS station 8447435.

Weather

Forecast

  • Today62°FChance Rain72%
  • Tonight59°FRain Likely74%
  • Saturday62°FRain94%
  • Saturday Night60°FRain94%
  • Sunday67°FRain85%
  • Sunday Night58°FRain88%
  • Monday64°FLight Rain then Showers And Thunderstorms Likely78%
  • Monday Night56°FChance Showers And Thunderstorms49%
  • Tuesday62°FSlight Chance Rain Showers then Mostly Cloudy22%
  • Tuesday Night55°FMostly Cloudy11%
  • Wednesday63°FPartly Sunny0%
  • Wednesday Night56°FMostly Cloudy5%
  • Thursday65°FPartly Sunny5%
  • Thursday Night58°FPartly Cloudy9%

Waves

Surf

Wave height

4.3 ft

ObservedNOAA NDBC· Cape Cod Bay, MA (221) · 20 mi away

Period

5 s

Longer periods carry more energy and break harder.

Direction

NNE

Water temperature

Water

60°F

ObservedNOAA NDBC· Cape Cod Bay, MA (221) · 20 mi away

Measured at the station above, which may sit some distance from the shore break. Surface temperature at the beach can differ.

Additional data

Daylight and data sources

Sunrise
6:29 AM
Sunset
6:33 PM
Humidity
72%
Visibility
9 mi
Time zone
America/New_York
Coordinates
41.8398, -69.9459

Stations used for this location

  • Tides — NOAA CO-OPS Chatham Harbor, Aunt Lydias Cove (8447435), 10 mi away
  • Weather — National Weather Service grid BOX 113,84
  • Buoy — NDBC Cape Cod Bay, MA (221) (44090), 20 mi offshore; this buoy does not report wind
  • Water temperature fallback — NOAA CO-OPS Chatham (8447435), 10 mi away; used only when the buoy has no reading

Jots

Notes from Coast Guard Beach

Short, dated notes from people who were actually there.

No jots yet

Nobody has jotted a trip to Coast Guard Beach. Jots are short notes about what the conditions were really like — coming soon.