View the latest observations near Atlantic Tropical Storm Arlene.

Station MCGM4 - Search and Rescue Data

9099018 - Marquette C.G., MI
46.546 N 87.379 W (46°32'44" N 87°22'43" 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.)
2023-06-02 0000Z	350	5	39	-	64	39	-
2023-06-01 1800Z	43	1	57	-	68	38	-
2023-06-01 1200Z	148	2	55	-	65	59	-
2023-06-01 0600Z	167	4	60	-	61	58	-
2023-06-01 0000Z	165	11	51	-	69	50	-
2023-05-31 1800Z	179	7	60	-	78	59	-
2023-05-31 1200Z	218	7	60	-	68	58	-
2023-05-31 0600Z	204	5	55	-	64	55	-
2023-05-31 0000Z	172	9	60	-	71	59	-
2023-05-30 1800Z	189	5	57	-	77	60	-
2023-05-30 1200Z	203	5	60	-	64	60	-
2023-05-30 0600Z	197	2	57	-	63	60	-
2023-05-30 0000Z	114	1	60	-	60	58	-
2023-05-29 1800Z	102	2	57	-	62	60	-
2023-05-29 1200Z	216	0	60	-	55	57	-
2023-05-29 0600Z	206	1	58	-	50	60	-
2023-05-29 0000Z	16	1	60	-	57	60	-
2023-05-28 1800Z	41	2	60	-	56	60	-
2023-05-28 1200Z	357	2	60	-	53	60	-
2023-05-28 0600Z	232	7	57	-	64	60	-
2023-05-28 0000Z	357	3	60	-	57	57	-
2023-05-27 1800Z	103	4	60	-	56	57	-
2023-05-27 1200Z	233	1	60	-	57	60	-
2023-05-27 0600Z	228	9	60	-	60	58	-
2023-05-27 0000Z	170	3	60	-	60	57	-
2023-05-26 1800Z	96	5	60	-	54	59	-
2023-05-26 1200Z	123	1	60	-	51	57	-
2023-05-26 0600Z	204	4	57	-	54	60	-
2023-05-26 0000Z	121	1	57	-	48	60	-
2023-05-25 1800Z	131	2	52	-	43	57	-
2023-05-25 1200Z	97	1	60	-	38	60	-
2023-05-25 0600Z	225	1	60	-	36	60	-
2023-05-25 0000Z	8	1	60	-	38	55	-
2023-05-24 1800Z	17	2	60	-	40	55	-
2023-05-24 1200Z	357	5	60	-	40	57	-
2023-05-24 0600Z	352	7	60	-	42	60	-
2023-05-24 0000Z	346	6	60	-	49	60	-
2023-05-23 1800Z	319	3	60	-	71	41	-
2023-05-23 1200Z	231	5	60	-	62	60	-
2023-05-23 0600Z	228	11	60	-	62	57	-
2023-05-23 0000Z	208	1	60	-	56	60	-
2023-05-22 1800Z	35	1	60	-	50	60	-
2023-05-22 1200Z	144	1	60	-	43	60	-
2023-05-22 0600Z	163	1	56	-	42	58	-
2023-05-22 0000Z	13	1	60	-	44	60	-
2023-05-21 1800Z	353	6	60	-	45	60	-
2023-05-21 1200Z	336	6	60	-	52	60	-
2023-05-21 0600Z	272	4	58	-	62	58	-
2023-05-21 0000Z	326	4	58	-	64	60	-
2023-05-20 1800Z	3	4	60	-	52	54	-
2023-05-20 1200Z	323	1	60	-	47	60	-
2023-05-20 0600Z	322	6	60	-	45	60	-
2023-05-20 0000Z	326	8	57	-	43	56	-
2023-05-19 1800Z	352	3	60	-	44	51	-
2023-05-19 1200Z	323	2	60	-	48	55	-
2023-05-19 0600Z	156	4	60	-	45	60	-
2023-05-19 0000Z	189	6	59	-	55	59	-
2023-05-18 1800Z	183	14	60	-	59	60	-
2023-05-18 1200Z	168	10	57	-	43	60	-
2023-05-18 0600Z	169	7	60	-	42	57	-
2023-05-18 0000Z	79	2	60	-	35	60	-
2023-05-17 1800Z	72	5	60	-	35	60	-
2023-05-17 1200Z	70	5	60	-	34	60	-
2023-05-17 0600Z	19	4	60	-	38	60	-
2023-05-17 0000Z	339	6	60	-	42	58	-
2023-05-16 1800Z	344	10	58	-	42	60	-
2023-05-16 1200Z	314	6	60	-	58	60	-
2023-05-16 0600Z	258	5	60	-	66	60	-
2023-05-16 0000Z	217	2	58	-	60	60	-
2023-05-15 1800Z	105	2	58	-	56	60	-
2023-05-15 1200Z	350	1	57	-	50	57	-
2023-05-15 0600Z	265	1	60	-	42	60	-
2023-05-15 0000Z	176	1	60	-	45	60	-
2023-05-14 1800Z	360	4	60	-	43	60	-
2023-05-14 1200Z	352	3	60	-	43	60	-
2023-05-14 0600Z	338	3	58	-	46	55	-
2023-05-14 0000Z	343	6	57	-	48	58	-
2023-05-13 1800Z	352	8	57	-	46	60	-
2023-05-13 1200Z	343	4	60	-	48	60	-
2023-05-13 0600Z	320	1	60	-	47	55	-
2023-05-13 0000Z	275	0	57	-	45	57	-
2023-05-12 1800Z	4	4	60	-	44	57	-
2023-05-12 1200Z	352	3	58	-	48	56	-
2023-05-12 0600Z	326	1	60	-	46	57	-
2023-05-12 0000Z	355	1	60	-	58	55	-
2023-05-11 1800Z	3	3	55	-	57	25	-
2023-05-11 1200Z	268	1	60	-	62	60	-
2023-05-11 0600Z	216	1	60	-	49	57	-
2023-05-11 0000Z	350	0	60	-	47	58	-
2023-05-10 1800Z	16	1	57	-	48	60	-
2023-05-10 1200Z	339	1	57	-	44	57	-
2023-05-10 0600Z	224	0	60	-	42	54	-
2023-05-10 0000Z	44	1	60	-	47	58	-
2023-05-09 1800Z	28	2	57	-	46	60	-
2023-05-09 1200Z	127	0	60	-	40	60	-
2023-05-09 0600Z	231	0	60	-	40	60	-
2023-05-09 0000Z	222	1	57	-	46	54	-
2023-05-08 1800Z	25	2	60	-	42	59	-
2023-05-08 1200Z	119	0	58	-	36	56	-
2023-05-08 0600Z	319	0	58	-	39	60	-
2023-05-08 0000Z	358	2	60	-	41	60	-
2023-05-07 1800Z	355	3	55	-	40	57	-
2023-05-07 1200Z	1	3	57	-	40	57	-
2023-05-07 0600Z	22	1	60	-	42	60	-
2023-05-07 0000Z	50	1	56	-	42	57	-
2023-05-06 1800Z	118	5	60	-	43	60	-
2023-05-06 1200Z	353	0	58	-	39	60	-
2023-05-06 0600Z	79	1	58	-	39	60	-
2023-05-06 0000Z	127	8	60	-	43	60	-
2023-05-05 1800Z	107	8	57	-	42	60	-
2023-05-05 1200Z	344	2	58	-	39	58	-
2023-05-05 0600Z	327	1	56	-	38	53	-
2023-05-05 0000Z	55	2	60	-	39	57	-
2023-05-04 1800Z	99	3	60	-	40	57	-
2023-05-04 1200Z	152	5	57	-	38	57	-
2023-05-04 0600Z	204	1	60	-	36	60	-
2023-05-04 0000Z	131	1	60	-	34	58	-
2023-05-03 1800Z	19	3	60	-	35	60	-
2023-05-03 1200Z	337	7	60	-	34	60	-
2023-05-03 0600Z	328	7	60	-	35	60	-
2023-05-03 0000Z	330	12	60	-	36	60	-
2023-05-02 1800Z	331	13	54	-	32	60	-
2023-05-02 1200Z	329	12	55	-	31	54	-
2023-05-02 0600Z	331	14	60	-	32	60	-
2023-05-02 0000Z	325	13	56	-	32	59	-
2023-05-01 1800Z	328	13	60	-	31	60	-
2023-05-01 1200Z	333	13	60	-	32	58	-
2023-05-01 0600Z	330	13	60	-	32	60	-
2023-05-01 0000Z	333	8	53	-	36	51	-
2023-04-30 1800Z	351	6	57	-	37	60	-
2023-04-30 1200Z	329	5	56	-	36	60	-
2023-04-30 0600Z	333	5	60	-	37	60	-
2023-04-30 0000Z	334	5	60	-	38	60	-
2023-04-29 1800Z	343	6	60	-	37	60	-
2023-04-29 1200Z	359	2	60	-	36	60	-
2023-04-29 0600Z	326	3	60	-	37	60	-
2023-04-29 0000Z	341	3	60	-	38	60	-
2023-04-28 1800Z	350	5	58	-	38	57	-
2023-04-28 1200Z	347	3	60	-	37	58	-
2023-04-28 0600Z	335	1	60	-	40	59	-
2023-04-28 0000Z	138	6	60	-	41	60	-
2023-04-27 1800Z	192	10	60	-	42	58	-
2023-04-27 1200Z	178	13	60	-	34	60	-
2023-04-27 0600Z	187	8	60	-	36	60	-
2023-04-27 0000Z	99	4	60	-	35	60	-
2023-04-26 1800Z	56	3	60	-	36	60	-
2023-04-26 1200Z	324	5	53	-	36	55	-
2023-04-26 0600Z	319	4	60	-	34	57	-
2023-04-26 0000Z	346	6	54	-	32	54	-
2023-04-25 1800Z	353	10	45	-	33	46	-
2023-04-25 1200Z	343	7	60	-	32	60	-
2023-04-25 0600Z	327	4	57	-	31	60	-
2023-04-25 0000Z	350	8	60	-	32	57	-
2023-04-24 1800Z	350	11	57	-	34	55	-
2023-04-24 1200Z	307	3	60	-	31	60	-
2023-04-24 0600Z	265	1	57	-	29	59	-
2023-04-24 0000Z	343	6	60	-	31	60	-
2023-04-23 1800Z	336	7	60	-	32	60	-
2023-04-23 1200Z	308	6	56	-	30	60	-
2023-04-23 0600Z	313	6	60	-	30	58	-
2023-04-23 0000Z	335	7	60	-	32	60	-
2023-04-22 1800Z	354	7	60	-	36	60	-
2023-04-22 1200Z	14	0	60	-	34	60	-
2023-04-22 0600Z	317	2	60	-	35	60	-
2023-04-22 0000Z	252	3	60	-	45	60	-
2023-04-21 1800Z	204	7	60	-	44	60	-
2023-04-21 1200Z	202	4	57	-	42	1	-
2023-04-21 0600Z	181	1	60	-	-	0	-
2023-04-21 0000Z	65	4	57	-	-	0	-
2023-04-20 1800Z	96	7	59	-	-	0	-
2023-04-20 1200Z	85	10	55	-	-	0	-
2023-04-20 0600Z	73	3	58	-	-	0	-
2023-04-20 0000Z	61	2	60	-	-	0	-
2023-04-19 1800Z	76	5	60	-	-	0	-
2023-04-19 1200Z	333	2	58	-	-	0	-
2023-04-19 0600Z	324	3	60	-	-	0	-
2023-04-19 0000Z	333	7	60	-	-	0	-

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.

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