Station List

NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.

Station CASM1 - Search and Rescue Data

8418150 - Portland, ME
43.656 N 70.246 W (43°39'22" N 70°14'46" W)

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

Average surface winds - six hour block.

Date (UTC)	Average Wind Dir (True)	Average Wind Spd (Knots)	Wind Obs	Average Seas (Feet)	Air Temp. (Degrees F.)	Air Temp. Obs	Water Temp. (Degrees F.)	Water Temp. Obs
2025-04-22 1200Z	151	4	60	-	43	54	42	60
2025-04-22 0600Z	178	9	60	-	44	48	43	60
2025-04-22 0000Z	186	10	57	-	45	54	42	56
2025-04-21 1800Z	158	10	55	-	47	40	44	54
2025-04-21 1200Z	78	1	60	-	43	45	43	60
2025-04-21 0600Z	291	4	60	-	44	45	43	60
2025-04-21 0000Z	310	9	57	-	51	54	43	57
2025-04-20 1800Z	300	15	60	-	53	54	43	60
2025-04-20 1200Z	289	14	60	-	53	53	42	58
2025-04-20 0600Z	237	9	60	-	67	54	42	60
2025-04-20 0000Z	218	9	57	-	67	21	42	57
2025-04-19 1800Z	333	1	60	-	52	39	42	60
2025-04-19 1200Z	192	6	60	-	49	51	41	60
2025-04-19 0600Z	201	6	60	-	48	50	41	60
2025-04-19 0000Z	194	10	57	-	49	54	42	57
2025-04-18 1800Z	179	14	60	-	50	48	41	57
2025-04-18 1200Z	192	3	60	-	42	51	41	60
2025-04-18 0600Z	240	3	60	-	41	52	41	60
2025-04-18 0000Z	302	6	57	-	50	54	42	57
2025-04-17 1800Z	298	10	60	-	52	42	41	60

The six-hour averages are calculated as follows:

The 0000Z average uses data from 2100Z to 0259Z.
The 0600Z average uses data from 0300Z to 0859Z.
The 1200Z average uses data from 0900Z to 1459Z.
The 1800Z average uses data from 1500Z to 2059Z.

Display all available SAR data (up to 45 days)

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