Station List

Station CHTM3 - 8447435 - Chatham, MA Image indicating link to RSS feed of recent meteorological observations for station CHTM3

Owned and maintained by NOAA's National Ocean Service
Water Level Observation Network
41.688 N 69.950 W (41°41'18" N 69°57'0" W)

Site elevation: 3.8 m above mean sea level
Air temp height: 5.6 m above site elevation
Anemometer height: 7.5 m above site elevation
Barometer elevation: 7.6 m above mean sea level
Sea temp depth: 1.3 m below MLLW

Caution: Right whales may be active in northeast waters year-round. Mandatory speed restrictions of 10 knots apply to vessels 65 feet or greater in specific areas and times along the US east coast. Voluntary speed restrictions may be in effect in other areas and times. For current information on speed-restricted areas, go to: http://www.nmfs.noaa.gov/pr/shipstrike

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station CHTM3

Regional HF Radar Surface Current Observations

Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
(24 hours for tsunami stations)

Conditions at CHTM3 as of
(3:00 am EST)
0800 GMT on 02/18/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.00 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):-0.03 in ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 31.8 °F
NOS Water Level Observation Network Water Level
Previous observations
TIME
(EST)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2026-02-18 02:54 am-------30.00- 31.8-----
2026-02-18 02:48 am-------30.00-------
2026-02-18 02:42 am-------30.00-------
2026-02-18 02:36 am-------30.00-------
2026-02-18 02:30 am-------30.00-------
2026-02-18 02:24 am-------30.01-------
2026-02-18 02:18 am-------30.01-------
2026-02-18 02:12 am-------30.01-------
2026-02-18 02:06 am-------30.01-------
2026-02-18 02:00 am-------30.01-0.04 32.2-----
2026-02-18 01:54 am-------30.01- 32.2-----
2026-02-18 01:48 am-------30.01-------
2026-02-18 01:42 am-------30.01-------
2026-02-18 01:36 am-------30.01-------
2026-02-18 01:30 am-------30.02- 32.5-----
2026-02-18 01:24 am-------30.02- 32.5-----
2026-02-18 01:18 am-------30.02-------
2026-02-18 01:12 am-------30.03-------
2026-02-18 01:06 am-------30.03-------
2026-02-18 01:00 am-------30.03-0.04 32.7-----
2026-02-18 12:54 am-------30.03- 32.7-----
2026-02-18 12:48 am-------30.03-------
2026-02-18 12:42 am-------30.03-------
2026-02-18 12:36 am-------30.03-------
2026-02-18 12:30 am-------30.03- 33.1-----
2026-02-18 12:24 am-------30.03- 33.3-----
2026-02-18 12:18 am-------30.03-------
2026-02-18 12:12 am-------30.03-------
2026-02-18 12:06 am-------30.03-------
2026-02-18 12:00 am-------30.03-0.03 33.3-----
2026-02-17 11:54 pm-------30.04- 33.4-----
2026-02-17 11:48 pm-------30.04-------
2026-02-17 11:42 pm-------30.04-------
2026-02-17 11:36 pm-------30.04-------
2026-02-17 11:30 pm-------30.04- 33.4-----
2026-02-17 11:24 pm-------30.04- 33.3-----
2026-02-17 11:18 pm-------30.05-------
2026-02-17 11:12 pm-------30.05-------
2026-02-17 11:06 pm-------30.05-------
2026-02-17 11:00 pm-------30.05-0.02 33.1-----
2026-02-17 10:54 pm-------30.06- 33.3-----
2026-02-17 10:48 pm-------30.06-------
2026-02-17 10:42 pm-------30.06-------
2026-02-17 10:36 pm-------30.06-------
2026-02-17 10:30 pm-------30.06- 33.6-----
2026-02-17 10:24 pm-------30.06- 33.6-----
2026-02-17 10:18 pm-------30.06-------
2026-02-17 10:12 pm-------30.06-------
2026-02-17 10:06 pm-------30.06-------
2026-02-17 10:00 pm-------30.07+0.00 34.0-----
2026-02-17 09:54 pm-------30.07- 34.0-----
2026-02-17 09:48 pm-------30.07- 34.2-----
2026-02-17 09:42 pm-------30.07- 34.2-----
2026-02-17 09:36 pm-------30.07- 34.2-----
2026-02-17 09:30 pm-------30.07- 34.3-----
2026-02-17 09:24 pm-------30.07- 34.3-----
2026-02-17 09:18 pm-------30.07-------
2026-02-17 09:12 pm-------30.06-------
2026-02-17 09:06 pm-------30.06-------
2026-02-17 09:00 pm-------30.06-0.02 34.3-----
2026-02-17 08:54 pm-------30.07- 34.3-----
2026-02-17 08:48 pm-------30.07-------
2026-02-17 08:42 pm-------30.06-------
2026-02-17 08:36 pm-------30.07-------
2026-02-17 08:30 pm-------30.07- 34.9-----
2026-02-17 08:24 pm-------30.07- 34.9-----
2026-02-17 08:18 pm-------30.07-------
2026-02-17 08:12 pm-------30.07-------
2026-02-17 08:06 pm-------30.07-------
2026-02-17 08:00 pm-------30.08-0.02 35.2-----
2026-02-17 07:54 pm-------30.08- 35.2-----
2026-02-17 07:48 pm-------30.08-------
2026-02-17 07:42 pm-------30.08-------
2026-02-17 07:36 pm-------30.07-------
2026-02-17 07:30 pm-------30.07- 35.1-----
2026-02-17 07:24 pm-------30.08- 35.2-----
2026-02-17 07:18 pm-------30.08-------
2026-02-17 07:12 pm-------30.08-------
2026-02-17 07:06 pm-------30.08-------
2026-02-17 07:00 pm-------30.08+0.00 35.2-----
2026-02-17 06:54 pm-------30.08- 35.2-----
2026-02-17 06:48 pm-------30.08-------
2026-02-17 06:42 pm-------30.08-------
2026-02-17 06:36 pm-------30.08-------
2026-02-17 06:30 pm-------30.09- 35.6-----
2026-02-17 06:24 pm-------30.09- 35.8-----
2026-02-17 06:00 pm-------30.09+0.00 36.0-----
2026-02-17 05:54 pm-------30.09- 36.0-----
2026-02-17 05:48 pm-------30.09-------
2026-02-17 05:42 pm-------30.09-------
2026-02-17 05:36 pm-------30.09-------
2026-02-17 05:30 pm-------30.09- 35.8-----
2026-02-17 05:24 pm-------30.09- 36.0-----
2026-02-17 05:18 pm-------30.09- 36.0-----
2026-02-17 05:12 pm-------30.09- 35.8-----
2026-02-17 05:06 pm-------30.09- 35.8-----
2026-02-17 05:00 pm-------30.09-0.01 35.8-----
2026-02-17 04:54 pm-------30.09- 35.8-----
2026-02-17 04:48 pm-------30.09-------
2026-02-17 04:42 pm-------30.09-------
2026-02-17 04:36 pm-------30.09-------
2026-02-17 04:30 pm-------30.09- 36.0-----
2026-02-17 04:24 pm-------30.09- 36.0-----
2026-02-17 04:18 pm-------30.08-------
2026-02-17 04:12 pm-------30.08-------
2026-02-17 04:06 pm-------30.08-------
2026-02-17 04:00 pm-------30.08-0.03 36.0-----
2026-02-17 03:54 pm-------30.09- 36.0-----
2026-02-17 03:48 pm-------30.09-------
2026-02-17 03:42 pm-------30.09-------
2026-02-17 03:36 pm-------30.09-------
2026-02-17 03:30 pm-------30.09- 36.1-----
2026-02-17 03:24 pm-------30.09- 36.1-----
2026-02-17 03:18 pm-------30.09-------
2026-02-17 03:12 pm-------30.09-------
2026-02-17 03:06 pm-------30.09-------
2026-02-17 03:00 pm-------30.09-0.04 36.0-----
2026-02-17 02:54 pm-------30.09- 35.8-----
2026-02-17 02:48 pm-------30.10- 35.6-----
2026-02-17 02:42 pm-------30.10- 35.6-----
2026-02-17 02:36 pm-------30.10- 35.6-----
2026-02-17 02:30 pm-------30.10- 35.6-----
2026-02-17 02:24 pm-------30.10- 35.4-----
2026-02-17 02:18 pm-------30.10-------
2026-02-17 02:12 pm-------30.11-------
2026-02-17 02:06 pm-------30.11-------
2026-02-17 02:00 pm-------30.11-0.05------
2026-02-17 01:54 pm-------30.11-------
2026-02-17 01:48 pm-------30.11- 36.1-----
2026-02-17 01:42 pm-------30.11- 36.3-----
2026-02-17 01:36 pm-------30.11- 36.3-----
2026-02-17 01:30 pm-------30.11- 36.5-----
2026-02-17 01:24 pm-------30.11- 36.5-----
2026-02-17 01:18 pm-------30.11-------
2026-02-17 01:12 pm-------30.11-------
2026-02-17 01:06 pm-------30.11-------
2026-02-17 01:00 pm-------30.11-0.06 36.9-----
2026-02-17 12:54 pm-------30.11- 36.1-----
2026-02-17 12:48 pm-------30.11-------
2026-02-17 12:42 pm-------30.11-------
2026-02-17 12:36 pm-------30.11-------
2026-02-17 12:30 pm-------30.12- 36.0-----
2026-02-17 12:24 pm-------30.12- 36.1-----
2026-02-17 12:18 pm-------30.12-------
2026-02-17 12:12 pm-------30.12-------
2026-02-17 12:06 pm-------30.13-------
2026-02-17 12:00 pm-------30.13-0.05 37.2-----
2026-02-17 11:54 am-------30.13- 37.2-----
2026-02-17 11:48 am-------30.13-------
2026-02-17 11:42 am-------30.14-------
2026-02-17 11:36 am-------30.14-------
2026-02-17 11:30 am-------30.14- 37.0-----
2026-02-17 11:24 am-------30.14- 37.6-----
2026-02-17 11:18 am-------30.15-------
2026-02-17 11:12 am-------30.15-------
2026-02-17 11:06 am-------30.15-------
2026-02-17 11:00 am-------30.15-0.01 37.6-----
2026-02-17 10:54 am-------30.16- 36.7-----
2026-02-17 10:48 am-------30.16-------
2026-02-17 10:42 am-------30.16-------
2026-02-17 10:36 am-------30.16-------
2026-02-17 10:30 am-------30.16- 37.9-----
2026-02-17 10:24 am-------30.17- 37.6-----
2026-02-17 10:18 am-------30.17-------
2026-02-17 10:12 am-------30.17-------
2026-02-17 10:06 am-------30.17-------
2026-02-17 10:00 am-------30.17+0.00 38.5-----
2026-02-17 09:54 am-------30.17- 38.1-----
2026-02-17 09:48 am-------30.17-------
2026-02-17 09:42 am-------30.17-------
2026-02-17 09:36 am-------30.17-------
2026-02-17 09:30 am-------30.17- 36.5-----
2026-02-17 09:24 am-------30.17- 36.5-----
2026-02-17 09:18 am-------30.17-------
2026-02-17 09:12 am-------30.17-------
2026-02-17 09:06 am-------30.17-------
2026-02-17 09:00 am-------30.17+0.03 35.6-----
2026-02-17 08:54 am-------30.18- 35.4-----
2026-02-17 08:48 am-------30.18-------
2026-02-17 08:42 am-------30.18-------
2026-02-17 08:36 am-------30.18-------
2026-02-17 08:30 am-------30.17- 34.9-----
2026-02-17 08:24 am-------30.17- 34.7-----
2026-02-17 08:18 am-------30.17-------
2026-02-17 08:12 am-------30.16-------
2026-02-17 08:06 am-------30.16-------
2026-02-17 08:00 am-------30.16+0.03 33.3-----
2026-02-17 07:54 am-------30.17- 32.9-----
2026-02-17 07:48 am-------30.17-------
2026-02-17 07:42 am-------30.17-------
2026-02-17 07:36 am-------30.17-------
2026-02-17 07:30 am-------30.17- 31.6-----
2026-02-17 07:24 am-------30.17- 31.5-----
2026-02-17 07:18 am-------30.16-------
2026-02-17 07:12 am-------30.16-------
2026-02-17 07:06 am-------30.17-------
2026-02-17 07:00 am-------30.16+0.04 30.9-----
2026-02-17 06:54 am-------30.16- 30.9-----
2026-02-17 06:48 am-------30.16-------
2026-02-17 06:42 am-------30.16-------
2026-02-17 06:36 am-------30.16-------
2026-02-17 06:30 am-------30.16- 30.9-----
2026-02-17 06:24 am-------30.16- 30.9-----
2026-02-17 06:18 am-------30.16-------
2026-02-17 06:12 am-------30.15-------
2026-02-17 06:06 am-------30.14-------
2026-02-17 06:00 am-------30.14+0.00 30.6-----
2026-02-17 05:54 am-------30.14- 30.6-----
2026-02-17 05:48 am-------30.14-------
2026-02-17 05:42 am-------30.14-------
2026-02-17 05:36 am-------30.14-------
2026-02-17 05:30 am-------30.14- 30.4-----
2026-02-17 05:24 am-------30.14- 30.6-----
2026-02-17 05:18 am-------30.14-------
2026-02-17 05:12 am-------30.14-------
2026-02-17 05:06 am-------30.14-------
2026-02-17 05:00 am-------30.14+0.00 30.6-----
2026-02-17 04:54 am-------30.14- 30.9-----
2026-02-17 04:48 am-------30.14- 30.7-----
2026-02-17 04:42 am-------30.13- 31.1-----
2026-02-17 04:36 am-------30.12- 32.0-----
2026-02-17 04:30 am-------30.12- 32.0-----
2026-02-17 04:24 am-------30.12- 31.5-----
2026-02-17 04:18 am-------30.13- 31.6-----
2026-02-17 04:12 am-------30.13- 32.0-----
2026-02-17 04:06 am-------30.13- 32.5-----
2026-02-17 04:00 am-------30.12-0.02 32.4-----
2026-02-17 03:54 am-------30.12- 32.4-----
2026-02-17 03:48 am-------30.12-------
2026-02-17 03:42 am-------30.12-------
2026-02-17 03:36 am-------30.12-------
2026-02-17 03:30 am-------30.13- 32.7-----
2026-02-17 03:24 am-------30.13- 32.5-----
2026-02-17 03:18 am-------30.14-------
2026-02-17 03:12 am-------30.13-------
2026-02-17 03:06 am-------30.14-------
2026-02-17 03:00 am-------30.14+0.00 32.7-----
2026-02-17 02:54 am-------30.13- 32.7-----