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![NOAA is celebrating 200 years of science, service, and stewardship. Visit the NOAA 200th celebration Web site to learn more.](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/noaa200insignia100.jpg)
![USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/usagov_logo.gif)
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Station APNM4 - Alpena Harbor Light, MI ![Image indicating link to RSS feed of recent meteorological observations for station APNM4](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/feed-icon-14x14.png)
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![5-day plot - Wind Direction](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Wind Speed](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Wind Gust](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Wave Height](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Dominant Wave Period](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Average Period](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Mean Wave Direction](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Atmospheric Pressure](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Pressure Tendency](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Air Temperature](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Water Temperature](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Dew Point](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Salinity](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Visibility](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) | ![5-day plot - Tide (above MLLW)](https://webarchive.library.unt.edu/eot2008/20090510015537im_/http://seaboard.ndbc.noaa.gov/images/graph04.gif) |
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05 | 09 | 8:00 pm | | WNW | 15 | 21 | - | - | - | - | - | - | 52.5 | - | - | - | - | - |
05 | 09 | 7:00 pm | | NW | 9 | 13 | - | - | - | - | - | - | 55.6 | - | - | - | - | - |
05 | 09 | 6:00 pm | | WNW | 13 | 18 | - | - | - | - | - | - | 55.0 | - | - | - | - | - |
05 | 09 | 5:00 pm | | NW | 10 | 17 | - | - | - | - | - | - | 54.3 | - | - | - | - | - |
05 | 09 | 4:00 pm | | NW | 14 | 18 | - | - | - | - | - | - | 51.4 | - | - | - | - | - |
05 | 09 | 3:00 pm | | NNW | 14 | 19 | - | - | - | - | - | - | 48.4 | - | - | - | - | - |
05 | 09 | 2:00 pm | | NNW | 9 | 13 | - | - | - | - | - | - | 47.3 | - | - | - | - | - |
05 | 09 | 1:00 pm | | NNW | 10 | 13 | - | - | - | - | - | - | 45.0 | - | - | - | - | - |
05 | 09 | 12:00 pm | | N | 8 | 12 | - | - | - | - | - | - | 43.9 | - | - | - | - | - |
05 | 09 | 11:00 am | | N | 11 | 16 | - | - | - | - | - | - | 43.2 | - | - | - | - | - |
05 | 09 | 10:00 am | | NNE | 12 | 18 | - | - | - | - | - | - | 44.2 | - | - | - | - | - |
05 | 09 | 9:00 am | | NNE | 13 | 18 | - | - | - | - | - | - | 44.4 | - | - | - | - | - |
05 | 09 | 8:00 am | | NNE | 9 | 14 | - | - | - | - | - | - | 45.9 | - | - | - | - | - |
05 | 09 | 7:00 am | | NNW | 5 | 8 | - | - | - | - | - | - | 44.6 | - | - | - | - | - |
05 | 09 | 6:00 am | | NNW | 4 | 7 | - | - | - | - | - | - | 44.6 | - | - | - | - | - |
05 | 09 | 5:00 am | | N | 4 | 6 | - | - | - | - | - | - | 44.2 | - | - | - | - | - |
05 | 09 | 4:00 am | | NNW | 9 | 12 | - | - | - | - | - | - | 44.2 | - | - | - | - | - |
05 | 09 | 3:00 am | | NW | 9 | 11 | - | - | - | - | - | - | 44.6 | - | - | - | - | - |
05 | 09 | 2:00 am | | NNW | 8 | 12 | - | - | - | - | - | - | 45.9 | - | - | - | - | - |
05 | 09 | 1:00 am | | NNW | 7 | 11 | - | - | - | - | - | - | 47.3 | - | - | - | - | - |
05 | 09 | 12:00 am | | NNW | 10 | 13 | - | - | - | - | - | - | 49.3 | - | - | - | - | - |
05 | 08 | 11:00 pm | | NNW | 10 | 12 | - | - | - | - | - | - | 50.9 | - | - | - | - | - |
05 | 08 | 10:00 pm | | NNW | 7 | 10 | - | - | - | - | - | - | 54.3 | - | - | - | - | - |
05 | 08 | 9:00 pm | | NNE | 7 | 9 | - | - | - | - | - | - | 57.4 | - | - | - | - | - |
Description of Measurements
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 the current month, previous months, and previous years.
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