31 (日)	05:49	10:47	15:55	23:11
	148cm	104cm	153cm	4cm
大潮 出 06:50 入 16:41 出 16:12 入 06:14

岩井袋（千葉）2028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	21.4	↑3.0
12/31 00:10	24.8	↑3.4
12/31 00:20	28.5	↑3.7
12/31 00:30	32.4	↑3.9
12/31 00:40	36.6	↑4.2
12/31 00:50	41.0	↑4.4
12/31 01:00	45.6	↑4.6
12/31 01:10	50.3	↑4.7
12/31 01:20	55.2	↑4.9
12/31 01:30	60.2	↑5.0
12/31 01:40	65.3	↑5.1
12/31 01:50	70.5	↑5.2
12/31 02:00	75.6	↑5.1
12/31 02:10	80.8	↑5.2
12/31 02:20	85.9	↑5.1
12/31 02:30	91.0	↑5.1
12/31 02:40	95.9	↑4.9
12/31 02:50	100.8	↑4.9
12/31 03:00	105.5	↑4.7
12/31 03:10	110.0	↑4.5
12/31 03:20	114.4	↑4.4
12/31 03:30	118.5	↑4.1
12/31 03:40	122.5	↑4.0
12/31 03:50	126.1	↑3.6
12/31 04:00	129.5	↑3.4
12/31 04:10	132.7	↑3.2
12/31 04:20	135.5	↑2.8
12/31 04:30	138.1	↑2.6
12/31 04:40	140.3	↑2.2
12/31 04:50	142.2	↑1.9
12/31 05:00	143.9	↑1.7
12/31 05:10	145.2	↑1.3
12/31 05:20	146.1	↑0.9
12/31 05:30	146.8	↑0.7
12/31 05:40	147.2	↑0.4	満潮
12/31 05:50	147.3	↑0.1
12/31 06:00	147.1	↓-0.2
12/31 06:10	146.6	↓-0.5
12/31 06:20	145.8	↓-0.8
12/31 06:30	144.9	↓-0.9
12/31 06:40	143.6	↓-1.3
12/31 06:50	142.2	↓-1.4
12/31 07:00	140.6	↓-1.6
12/31 07:10	138.9	↓-1.7
12/31 07:20	136.9	↓-2.0
12/31 07:30	134.9	↓-2.0
12/31 07:40	132.8	↓-2.1
12/31 07:50	130.6	↓-2.2
12/31 08:00	128.3	↓-2.3
12/31 08:10	126.0	↓-2.3
12/31 08:20	123.7	↓-2.3
12/31 08:30	121.5	↓-2.2
12/31 08:40	119.3	↓-2.2
12/31 08:50	117.1	↓-2.2
12/31 09:00	115.1	↓-2.0
12/31 09:10	113.1	↓-2.0
12/31 09:20	111.3	↓-1.8
12/31 09:30	109.6	↓-1.7
12/31 09:40	108.1	↓-1.5
12/31 09:50	106.8	↓-1.3
12/31 10:00	105.7	↓-1.1
12/31 10:10	104.8	↓-0.9
12/31 10:20	104.1	↓-0.7
12/31 10:30	103.6	↓-0.5
12/31 10:40	103.3	↓-0.3	干潮
12/31 10:50	103.3	0
12/31 11:00	103.5	↑0.2
12/31 11:10	103.9	↑0.4
12/31 11:20	104.6	↑0.7
12/31 11:30	105.5	↑0.9
12/31 11:40	106.6	↑1.1
12/31 11:50	107.9	↑1.3
12/31 12:00	109.4	↑1.5
12/31 12:10	111.1	↑1.7
12/31 12:20	112.9	↑1.8
12/31 12:30	114.9	↑2.0
12/31 12:40	117.0	↑2.1
12/31 12:50	119.3	↑2.3
12/31 13:00	121.6	↑2.3
12/31 13:10	124.0	↑2.4
12/31 13:20	126.4	↑2.4
12/31 13:30	128.9	↑2.5
12/31 13:40	131.3	↑2.4
12/31 13:50	133.8	↑2.5
12/31 14:00	136.1	↑2.3
12/31 14:10	138.4	↑2.3
12/31 14:20	140.6	↑2.2
12/31 14:30	142.7	↑2.1
12/31 14:40	144.6	↑1.9
12/31 14:50	146.3	↑1.7
12/31 15:00	147.9	↑1.6
12/31 15:10	149.2	↑1.3
12/31 15:20	150.3	↑1.1
12/31 15:30	151.1	↑0.8
12/31 15:40	151.7	↑0.6
12/31 15:50	152.0	↑0.3	満潮
12/31 16:00	152.0	0
12/31 16:10	151.6	↓-0.4
12/31 16:20	151.0	↓-0.6
12/31 16:30	150.0	↓-1.0
12/31 16:40	148.7	↓-1.3
12/31 16:50	147.1	↓-1.6
12/31 17:00	145.1	↓-2.0
12/31 17:10	142.8	↓-2.3
12/31 17:20	140.2	↓-2.6
12/31 17:30	137.2	↓-3.0
12/31 17:40	134.0	↓-3.2
12/31 17:50	130.4	↓-3.6
12/31 18:00	126.6	↓-3.8
12/31 18:10	122.5	↓-4.1
12/31 18:20	118.2	↓-4.3
12/31 18:30	113.6	↓-4.6
12/31 18:40	108.9	↓-4.7
12/31 18:50	103.9	↓-5.0
12/31 19:00	98.8	↓-5.1
12/31 19:10	93.6	↓-5.2
12/31 19:20	88.3	↓-5.3
12/31 19:30	82.9	↓-5.4
12/31 19:40	77.4	↓-5.5	最大潮位差
12/31 19:50	72.0	↓-5.4
12/31 20:00	66.5	↓-5.5	最大潮位差
12/31 20:10	61.1	↓-5.4
12/31 20:20	55.8	↓-5.3
12/31 20:30	50.6	↓-5.2
12/31 20:40	45.6	↓-5.0
12/31 20:50	40.7	↓-4.9
12/31 21:00	36.0	↓-4.7
12/31 21:10	31.5	↓-4.5
12/31 21:20	27.3	↓-4.2
12/31 21:30	23.4	↓-3.9
12/31 21:40	19.7	↓-3.7
12/31 21:50	16.4	↓-3.3
12/31 22:00	13.5	↓-2.9
12/31 22:10	10.9	↓-2.6
12/31 22:20	8.6	↓-2.3
12/31 22:30	6.8	↓-1.8
12/31 22:40	5.4	↓-1.4
12/31 22:50	4.3	↓-1.1
12/31 23:00	3.7	↓-0.6
12/31 23:10	3.5	↓-0.2	干潮
12/31 23:20	3.8	↑0.3
12/31 23:30	4.4	↑0.6
12/31 23:40	5.5	↑1.1
12/31 23:50	7.0	↑1.5