Station CASM1 - 8418150 - Portland, ME 
Owned and maintained by NOAA's National Ocean Service
Water Level Observation Network
43.656 N 70.246 W (43°39'22" N 70°14'46" W)
Site elevation: 3.5 m above mean sea level
Air temp height: 7.5 m above site elevation
Barometer elevation: 4.9 m above mean sea level
Sea temp depth: 3.4 m below MLLW
Caution: Right whales may be active in northeast waters year-round. NOAA may establish temporary Dynamic Management Areas (DMAs) to protect aggregations of right whales. Mariners are requested to transit DMAs at 10 knots or less when consistent with safe navigation. For information on currently active DMAs, go to: http://www.nmfs.noaa.gov/pr/shipstrike
Click on the graph icon in the table below to see a time series plot of the last five days of that observation. | |
![]() | 1006.7 mb |
![]() | -1.4 mb ( Falling ) |
![]() | 15.5 °C |
![]() | 12.6 °C |
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Links which are specific to this station are listed below:
Real Time Data in tabular form for the last forty-five days.
Historical Data & Climatic Summaries for quality controlled data for prior months and years.