31 (火)	09:28	02:37	21:42	15:40
	178cm	57cm	144cm	78cm
小潮 出 06:48 入 16:38 出 10:53 入 23:54

姉崎（千葉）2030年12月31日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/31 00:00	98.6	↓-4.7	最大潮位差
12/31 00:10	94.0	↓-4.6
12/31 00:20	89.6	↓-4.4
12/31 00:30	85.3	↓-4.3
12/31 00:40	81.2	↓-4.1
12/31 00:50	77.4	↓-3.8
12/31 01:00	73.8	↓-3.6
12/31 01:10	70.5	↓-3.3
12/31 01:20	67.5	↓-3.0
12/31 01:30	64.9	↓-2.6
12/31 01:40	62.6	↓-2.3
12/31 01:50	60.6	↓-2.0
12/31 02:00	59.1	↓-1.5
12/31 02:10	57.9	↓-1.2
12/31 02:20	57.1	↓-0.8
12/31 02:30	56.7	↓-0.4	干潮
12/31 02:40	56.7	0
12/31 02:50	57.0	↑0.3
12/31 03:00	57.7	↑0.7
12/31 03:10	58.7	↑1.0
12/31 03:20	60.1	↑1.4
12/31 03:30	61.8	↑1.7
12/31 03:40	63.8	↑2.0
12/31 03:50	66.2	↑2.4
12/31 04:00	68.7	↑2.5
12/31 04:10	71.6	↑2.9
12/31 04:20	74.7	↑3.1
12/31 04:30	78.0	↑3.3
12/31 04:40	81.5	↑3.5
12/31 04:50	85.2	↑3.7
12/31 05:00	89.1	↑3.9
12/31 05:10	93.1	↑4.0
12/31 05:20	97.2	↑4.1
12/31 05:30	101.4	↑4.2
12/31 05:40	105.8	↑4.4
12/31 05:50	110.2	↑4.4
12/31 06:00	114.6	↑4.4
12/31 06:10	119.1	↑4.5
12/31 06:20	123.6	↑4.5
12/31 06:30	128.1	↑4.5
12/31 06:40	132.5	↑4.4
12/31 06:50	136.9	↑4.4
12/31 07:00	141.2	↑4.3
12/31 07:10	145.3	↑4.1
12/31 07:20	149.3	↑4.0
12/31 07:30	153.2	↑3.9
12/31 07:40	156.9	↑3.7
12/31 07:50	160.3	↑3.4
12/31 08:00	163.5	↑3.2
12/31 08:10	166.4	↑2.9
12/31 08:20	169.1	↑2.7
12/31 08:30	171.4	↑2.3
12/31 08:40	173.4	↑2.0
12/31 08:50	175.0	↑1.6
12/31 09:00	176.3	↑1.3
12/31 09:10	177.2	↑0.9
12/31 09:20	177.6	↑0.4	満潮
12/31 09:30	177.7	↑0.1
12/31 09:40	177.4	↓-0.3
12/31 09:50	176.7	↓-0.7
12/31 10:00	175.5	↓-1.2
12/31 10:10	174.0	↓-1.5
12/31 10:20	172.1	↓-1.9
12/31 10:30	169.8	↓-2.3
12/31 10:40	167.2	↓-2.6
12/31 10:50	164.3	↓-2.9
12/31 11:00	161.0	↓-3.3
12/31 11:10	157.5	↓-3.5
12/31 11:20	153.8	↓-3.7
12/31 11:30	149.9	↓-3.9
12/31 11:40	145.8	↓-4.1
12/31 11:50	141.5	↓-4.3
12/31 12:00	137.2	↓-4.3
12/31 12:10	132.9	↓-4.3
12/31 12:20	128.5	↓-4.4
12/31 12:30	124.1	↓-4.4
12/31 12:40	119.8	↓-4.3
12/31 12:50	115.6	↓-4.2
12/31 13:00	111.5	↓-4.1
12/31 13:10	107.5	↓-4.0
12/31 13:20	103.7	↓-3.8
12/31 13:30	100.2	↓-3.5
12/31 13:40	96.8	↓-3.4
12/31 13:50	93.7	↓-3.1
12/31 14:00	90.8	↓-2.9
12/31 14:10	88.2	↓-2.6
12/31 14:20	85.9	↓-2.3
12/31 14:30	83.9	↓-2.0
12/31 14:40	82.1	↓-1.8
12/31 14:50	80.7	↓-1.4
12/31 15:00	79.5	↓-1.2
12/31 15:10	78.6	↓-0.9
12/31 15:20	78.0	↓-0.6
12/31 15:30	77.6	↓-0.4	干潮
12/31 15:40	77.5	↓-0.1	干潮
12/31 15:50	77.7	↑0.2
12/31 16:00	78.1	↑0.4
12/31 16:10	78.7	↑0.6
12/31 16:20	79.5	↑0.8
12/31 16:30	80.6	↑1.1
12/31 16:40	81.8	↑1.2
12/31 16:50	83.3	↑1.5
12/31 17:00	84.9	↑1.6
12/31 17:10	86.7	↑1.8
12/31 17:20	88.7	↑2.0
12/31 17:30	90.8	↑2.1
12/31 17:40	93.0	↑2.2
12/31 17:50	95.3	↑2.3
12/31 18:00	97.8	↑2.5
12/31 18:10	100.3	↑2.5
12/31 18:20	103.0	↑2.7
12/31 18:30	105.7	↑2.7
12/31 18:40	108.4	↑2.7
12/31 18:50	111.2	↑2.8
12/31 19:00	114.0	↑2.8
12/31 19:10	116.8	↑2.8
12/31 19:20	119.5	↑2.7
12/31 19:30	122.2	↑2.7
12/31 19:40	124.9	↑2.7
12/31 19:50	127.4	↑2.5
12/31 20:00	129.9	↑2.5
12/31 20:10	132.2	↑2.3
12/31 20:20	134.3	↑2.1
12/31 20:30	136.3	↑2.0
12/31 20:40	138.1	↑1.8
12/31 20:50	139.6	↑1.5
12/31 21:00	140.9	↑1.3
12/31 21:10	141.9	↑1.0
12/31 21:20	142.7	↑0.8
12/31 21:30	143.1	↑0.4
12/31 21:40	143.3	↑0.2	満潮
12/31 21:50	143.2	↓-0.1
12/31 22:00	142.7	↓-0.5
12/31 22:10	142.0	↓-0.7
12/31 22:20	140.9	↓-1.1
12/31 22:30	139.6	↓-1.3
12/31 22:40	138.0	↓-1.6
12/31 22:50	136.1	↓-1.9
12/31 23:00	133.9	↓-2.2
12/31 23:10	131.5	↓-2.4
12/31 23:20	128.9	↓-2.6
12/31 23:30	126.2	↓-2.7
12/31 23:40	123.3	↓-2.9
12/31 23:50	120.2	↓-3.1