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NDBC is adding additional data to its .drift file format on or about August 17. For more info, see the Drift File Format Change Notice.

Station APNM4 - Alpena Harbor Light, Alpena, MI

Owned and maintained by Great Lakes Environmental Research Laboratory
C-MAN Station
45.060 N 83.424 W (45°3'35" N 83°25'25" W)

Site elevation: 177.5 m above mean sea level
Air temp height: 15 m above site elevation
Anemometer height: 18 m above site elevation

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships

Map Type:

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Stations with recent data

Stations with no data in last 8 hours
(24 hours for tsunami stations)

Disclaimer

Conditions at APNM4 as of
(10:00 am EDT)
1400 GMT on 08/11/2022:
Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
	Wind Direction (WDIR):	N ( 10 deg true )
	Wind Speed (WSPD):	11 kts
	Wind Gust (GST):	15 kts
	Air Temperature (ATMP):	63.7 °F
	Combined plot of Wind Speed, Gust, and Air Pressure

Previous observations
MM	DD	TIME (EDT)	WDIR	WSPD kts	GST kts	WVHT ft	DPD sec	APD sec	MWD	PRES in	PTDY in	ATMP °F	WTMP °F	DEWP °F	SAL psu	VIS nmi	TIDE ft

08	11	9:50 am	N	9	14	-	-	-	-	-	-	63.9	-	-	-	-	-
08	11	9:40 am	N	9	13	-	-	-	-	-	-	63.7	-	-	-	-	-
08	11	9:30 am	N	7	13	-	-	-	-	-	-	64.2	-	-	-	-	-
08	11	9:20 am	N	7	10	-	-	-	-	-	-	63.9	-	-	-	-	-
08	11	9:10 am	N	9	11	-	-	-	-	-	-	63.7	-	-	-	-	-
08	11	9:00 am	N	10	14	-	-	-	-	-	-	63.5	-	-	-	-	-
08	11	8:50 am	NNW	9	13	-	-	-	-	-	-	63.1	-	-	-	-	-
08	11	8:40 am	NNW	9	13	-	-	-	-	-	-	63.1	-	-	-	-	-
08	11	8:30 am	N	9	14	-	-	-	-	-	-	62.8	-	-	-	-	-
08	11	8:20 am	NW	6	7	-	-	-	-	-	-	61.7	-	-	-	-	-
08	11	8:10 am	NNW	5	8	-	-	-	-	-	-	61.2	-	-	-	-	-
08	11	8:00 am	NNW	5	8	-	-	-	-	-	-	60.8	-	-	-	-	-
08	11	7:50 am	NNW	6	8	-	-	-	-	-	-	60.1	-	-	-	-	-
08	11	7:40 am	NNW	6	8	-	-	-	-	-	-	59.2	-	-	-	-	-
08	11	7:30 am	NNW	6	7	-	-	-	-	-	-	58.1	-	-	-	-	-
08	11	7:20 am	NW	9	10	-	-	-	-	-	-	57.7	-	-	-	-	-
08	11	7:10 am	NW	9	11	-	-	-	-	-	-	57.4	-	-	-	-	-
08	11	7:00 am	NW	6	8	-	-	-	-	-	-	57.2	-	-	-	-	-
08	11	6:50 am	NW	6	7	-	-	-	-	-	-	56.8	-	-	-	-	-
08	11	6:40 am	NNW	4	7	-	-	-	-	-	-	56.8	-	-	-	-	-
08	11	6:30 am	NW	6	8	-	-	-	-	-	-	56.8	-	-	-	-	-
08	11	6:20 am	NNW	4	6	-	-	-	-	-	-	57.0	-	-	-	-	-
08	11	6:10 am	NW	6	7	-	-	-	-	-	-	56.8	-	-	-	-	-
08	11	6:00 am	NNW	6	9	-	-	-	-	-	-	57.0	-	-	-	-	-
08	11	5:50 am	NW	7	10	-	-	-	-	-	-	57.0	-	-	-	-	-
08	11	5:40 am	NW	9	11	-	-	-	-	-	-	57.2	-	-	-	-	-
08	11	5:30 am	NW	8	10	-	-	-	-	-	-	57.7	-	-	-	-	-
08	11	5:20 am	NW	8	11	-	-	-	-	-	-	57.7	-	-	-	-	-
08	11	5:10 am	NW	9	12	-	-	-	-	-	-	57.6	-	-	-	-	-
08	11	5:00 am	NW	10	11	-	-	-	-	-	-	57.6	-	-	-	-	-
08	11	4:50 am	NW	9	11	-	-	-	-	-	-	57.7	-	-	-	-	-
08	11	4:40 am	NW	9	12	-	-	-	-	-	-	57.9	-	-	-	-	-
08	11	4:30 am	NW	10	11	-	-	-	-	-	-	58.1	-	-	-	-	-
08	11	4:20 am	NW	8	11	-	-	-	-	-	-	58.5	-	-	-	-	-
08	11	4:10 am	NW	9	12	-	-	-	-	-	-	58.5	-	-	-	-	-
08	11	4:00 am	NW	8	10	-	-	-	-	-	-	58.5	-	-	-	-	-
08	11	3:50 am	NW	10	12	-	-	-	-	-	-	58.5	-	-	-	-	-
08	11	3:40 am	NW	10	12	-	-	-	-	-	-	58.8	-	-	-	-	-
08	11	3:30 am	NW	9	12	-	-	-	-	-	-	59.4	-	-	-	-	-
08	11	3:20 am	NW	9	12	-	-	-	-	-	-	59.7	-	-	-	-	-
08	11	3:10 am	NW	9	10	-	-	-	-	-	-	60.3	-	-	-	-	-
08	11	3:00 am	NW	10	13	-	-	-	-	-	-	60.3	-	-	-	-	-
08	11	2:50 am	NW	10	12	-	-	-	-	-	-	60.4	-	-	-	-	-
08	11	2:40 am	NW	9	11	-	-	-	-	-	-	60.8	-	-	-	-	-
08	11	2:30 am	NW	9	11	-	-	-	-	-	-	61.0	-	-	-	-	-
08	11	2:20 am	NW	7	9	-	-	-	-	-	-	61.2	-	-	-	-	-
08	11	2:10 am	NW	9	11	-	-	-	-	-	-	61.2	-	-	-	-	-
08	11	2:00 am	WNW	9	11	-	-	-	-	-	-	61.2	-	-	-	-	-
08	11	1:50 am	WNW	7	9	-	-	-	-	-	-	61.2	-	-	-	-	-
08	11	1:40 am	WNW	9	10	-	-	-	-	-	-	61.2	-	-	-	-	-
08	11	1:30 am	WNW	7	8	-	-	-	-	-	-	61.5	-	-	-	-	-
08	11	1:20 am	WNW	8	10	-	-	-	-	-	-	61.9	-	-	-	-	-
08	11	1:10 am	WNW	6	8	-	-	-	-	-	-	62.1	-	-	-	-	-
08	11	1:00 am	WNW	7	8	-	-	-	-	-	-	62.4	-	-	-	-	-
08	11	12:50 am	WNW	7	8	-	-	-	-	-	-	62.8	-	-	-	-	-
08	11	12:40 am	WNW	8	11	-	-	-	-	-	-	63.3	-	-	-	-	-
08	11	12:30 am	WNW	7	9	-	-	-	-	-	-	63.7	-	-	-	-	-
08	11	12:20 am	WNW	7	9	-	-	-	-	-	-	64.0	-	-	-	-	-
08	11	12:10 am	NW	7	8	-	-	-	-	-	-	64.2	-	-	-	-	-
08	11	12:00 am	NW	5	7	-	-	-	-	-	-	64.0	-	-	-	-	-
08	10	11:50 pm	NW	6	8	-	-	-	-	-	-	64.0	-	-	-	-	-
08	10	11:40 pm	NW	8	11	-	-	-	-	-	-	64.0	-	-	-	-	-
08	10	11:30 pm	NW	6	7	-	-	-	-	-	-	64.2	-	-	-	-	-
08	10	11:20 pm	NW	9	11	-	-	-	-	-	-	64.2	-	-	-	-	-
08	10	11:10 pm	NW	7	9	-	-	-	-	-	-	64.6	-	-	-	-	-
08	10	11:00 pm	NW	6	9	-	-	-	-	-	-	64.9	-	-	-	-	-
08	10	10:50 pm	NW	9	11	-	-	-	-	-	-	65.3	-	-	-	-	-
08	10	10:40 pm	NW	6	9	-	-	-	-	-	-	65.8	-	-	-	-	-
08	10	10:30 pm	NW	6	9	-	-	-	-	-	-	66.2	-	-	-	-	-
08	10	10:20 pm	NNW	6	8	-	-	-	-	-	-	66.2	-	-	-	-	-
08	10	10:10 pm	NNW	7	9	-	-	-	-	-	-	66.6	-	-	-	-	-
08	10	10:00 pm	NNW	7	10	-	-	-	-	-	-	66.7	-	-	-	-	-
08	10	9:50 pm	NNW	7	11	-	-	-	-	-	-	67.3	-	-	-	-	-
08	10	9:40 pm	NNW	9	12	-	-	-	-	-	-	67.5	-	-	-	-	-
08	10	9:30 pm	NNW	8	11	-	-	-	-	-	-	67.8	-	-	-	-	-
08	10	9:20 pm	N	8	12	-	-	-	-	-	-	68.4	-	-	-	-	-
08	10	9:10 pm	N	9	12	-	-	-	-	-	-	68.7	-	-	-	-	-
08	10	9:00 pm	N	8	9	-	-	-	-	-	-	69.3	-	-	-	-	-
08	10	8:50 pm	NNW	8	10	-	-	-	-	-	-	69.6	-	-	-	-	-
08	10	8:40 pm	N	6	10	-	-	-	-	-	-	70.5	-	-	-	-	-
08	10	8:30 pm	N	7	11	-	-	-	-	-	-	71.1	-	-	-	-	-
08	10	8:20 pm	NNW	11	15	-	-	-	-	-	-	71.6	-	-	-	-	-
08	10	8:10 pm	N	6	10	-	-	-	-	-	-	72.0	-	-	-	-	-
08	10	8:00 pm	N	7	10	-	-	-	-	-	-	71.4	-	-	-	-	-
08	10	7:50 pm	N	7	11	-	-	-	-	-	-	72.7	-	-	-	-	-
08	10	7:40 pm	N	11	16	-	-	-	-	-	-	72.7	-	-	-	-	-
08	10	7:30 pm	NNW	11	16	-	-	-	-	-	-	73.4	-	-	-	-	-
08	10	7:20 pm	N	11	13	-	-	-	-	-	-	73.8	-	-	-	-	-
08	10	7:10 pm	NNW	12	16	-	-	-	-	-	-	75.4	-	-	-	-	-
08	10	7:00 pm	NNW	10	14	-	-	-	-	-	-	77.0	-	-	-	-	-
08	10	6:50 pm	NNW	13	18	-	-	-	-	-	-	77.7	-	-	-	-	-
08	10	6:40 pm	NNW	12	21	-	-	-	-	-	-	79.0	-	-	-	-	-
08	10	6:30 pm	NW	11	14	-	-	-	-	-	-	80.1	-	-	-	-	-
08	10	6:20 pm	NW	10	14	-	-	-	-	-	-	80.1	-	-	-	-	-
08	10	6:10 pm	N	6	9	-	-	-	-	-	-	77.4	-	-	-	-	-
08	10	6:00 pm	NNE	6	8	-	-	-	-	-	-	76.5	-	-	-	-	-
08	10	5:50 pm	NE	5	9	-	-	-	-	-	-	76.5	-	-	-	-	-
08	10	5:40 pm	N	7	10	-	-	-	-	-	-	76.8	-	-	-	-	-
08	10	5:30 pm	N	6	10	-	-	-	-	-	-	77.4	-	-	-	-	-
08	10	5:20 pm	NNE	5	7	-	-	-	-	-	-	77.2	-	-	-	-	-
08	10	5:10 pm	N	11	15	-	-	-	-	-	-	77.4	-	-	-	-	-
08	10	5:00 pm	NNE	9	12	-	-	-	-	-	-	77.7	-	-	-	-	-
08	10	4:50 pm	NNE	11	16	-	-	-	-	-	-	78.4	-	-	-	-	-
08	10	4:40 pm	NNW	9	12	-	-	-	-	-	-	83.7	-	-	-	-	-
08	10	4:30 pm	WNW	10	13	-	-	-	-	-	-	83.3	-	-	-	-	-
08	10	4:20 pm	NW	10	12	-	-	-	-	-	-	83.3	-	-	-	-	-
08	10	4:10 pm	WNW	9	11	-	-	-	-	-	-	82.9	-	-	-	-	-
08	10	4:00 pm	WNW	10	13	-	-	-	-	-	-	83.5	-	-	-	-	-
08	10	3:50 pm	W	9	11	-	-	-	-	-	-	82.9	-	-	-	-	-
08	10	3:40 pm	WSW	9	12	-	-	-	-	-	-	83.3	-	-	-	-	-
08	10	3:30 pm	SW	7	9	-	-	-	-	-	-	83.1	-	-	-	-	-
08	10	3:20 pm	SW	11	12	-	-	-	-	-	-	82.8	-	-	-	-	-
08	10	3:10 pm	WSW	7	9	-	-	-	-	-	-	82.6	-	-	-	-	-
08	10	3:00 pm	WSW	8	10	-	-	-	-	-	-	81.9	-	-	-	-	-
08	10	2:50 pm	W	10	12	-	-	-	-	-	-	81.7	-	-	-	-	-
08	10	2:40 pm	WSW	11	15	-	-	-	-	-	-	82.0	-	-	-	-	-
08	10	2:30 pm	WSW	8	12	-	-	-	-	-	-	81.5	-	-	-	-	-
08	10	2:20 pm	W	10	13	-	-	-	-	-	-	81.1	-	-	-	-	-
08	10	2:10 pm	WSW	12	15	-	-	-	-	-	-	81.0	-	-	-	-	-
08	10	2:00 pm	SW	6	9	-	-	-	-	-	-	80.6	-	-	-	-	-
08	10	1:50 pm	WSW	8	11	-	-	-	-	-	-	80.4	-	-	-	-	-
08	10	1:40 pm	WSW	11	13	-	-	-	-	-	-	79.9	-	-	-	-	-
08	10	1:30 pm	W	9	11	-	-	-	-	-	-	79.3	-	-	-	-	-
08	10	1:20 pm	SW	8	11	-	-	-	-	-	-	79.9	-	-	-	-	-
08	10	1:10 pm	W	8	10	-	-	-	-	-	-	79.2	-	-	-	-	-
08	10	1:00 pm	SW	8	10	-	-	-	-	-	-	79.3	-	-	-	-	-
08	10	12:50 pm	SW	6	6	-	-	-	-	-	-	79.0	-	-	-	-	-
08	10	12:40 pm	WSW	7	8	-	-	-	-	-	-	78.4	-	-	-	-	-
08	10	12:30 pm	WNW	6	7	-	-	-	-	-	-	77.2	-	-	-	-	-
08	10	12:20 pm	W	6	8	-	-	-	-	-	-	77.0	-	-	-	-	-
08	10	12:10 pm	WNW	6	7	-	-	-	-	-	-	76.8	-	-	-	-	-
08	10	12:00 pm	W	6	7	-	-	-	-	-	-	76.1	-	-	-	-	-
08	10	11:50 am	W	6	8	-	-	-	-	-	-	75.9	-	-	-	-	-
08	10	11:40 am	W	5	6	-	-	-	-	-	-	75.4	-	-	-	-	-
08	10	11:30 am	WNW	5	8	-	-	-	-	-	-	75.0	-	-	-	-	-
08	10	11:20 am	W	6	7	-	-	-	-	-	-	74.8	-	-	-	-	-
08	10	11:10 am	WNW	4	6	-	-	-	-	-	-	74.7	-	-	-	-	-
08	10	11:00 am	W	5	7	-	-	-	-	-	-	73.9	-	-	-	-	-
08	10	10:50 am	W	5	6	-	-	-	-	-	-	72.9	-	-	-	-	-
08	10	10:40 am	W	6	7	-	-	-	-	-	-	72.1	-	-	-	-	-
08	10	10:30 am	W	8	10	-	-	-	-	-	-	71.6	-	-	-	-	-
08	10	10:20 am	W	9	12	-	-	-	-	-	-	70.9	-	-	-	-	-
08	10	10:10 am	W	8	10	-	-	-	-	-	-	70.3	-	-	-	-	-
08	10	10:00 am	WNW	9	11	-	-	-	-	-	-	69.8	-	-	-	-	-
08	10	9:50 am	W	9	11	-	-	-	-	-	-	69.4	-	-	-	-	-

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.