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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 SJSN4 - Search and Rescue Data

8537121 - Ship John Shoal, NJ
39.305 N 75.377 W (39°18'19" N 75°22'36" W)

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
08-12-2022	1800Z	330	9	50	-	79	50	83	50
08-12-2022	1200Z	352	14	60	-	74	60	83	60
08-12-2022	0600Z	326	11	60	-	78	60	83	60
08-12-2022	0000Z	279	10	54	-	83	59	84	59
08-11-2022	1800Z	303	6	60	-	81	60	84	60
08-11-2022	1200Z	285	8	60	-	76	60	84	60
08-11-2022	0600Z	255	11	60	-	75	60	83	60
08-11-2022	0000Z	229	7	56	-	82	58	84	58
08-10-2022	1800Z	327	8	60	-	85	60	84	60
08-10-2022	1200Z	323	6	60	-	80	60	83	60
08-10-2022	0600Z	295	6	60	-	80	60	83	60
08-10-2022	0000Z	221	10	55	-	88	57	83	54
08-09-2022	1800Z	236	11	60	-	90	60	84	58
08-09-2022	1200Z	230	12	60	-	82	60	83	60
08-09-2022	0600Z	211	14	60	-	82	60	83	60
08-09-2022	0000Z	205	14	55	-	86	60	83	60
08-08-2022	1800Z	214	12	60	-	87	60	83	60
08-08-2022	1200Z	211	12	60	-	80	60	82	60
08-08-2022	0600Z	201	14	60	-	79	60	83	60
08-08-2022	0000Z	198	13	55	-	85	60	83	60

The six-hour averages are calculated as follows: