31 (土)	06:16	11:14	16:25	23:41
	149cm	103cm	155cm	3cm
大潮 出 06:49 入 16:40 出 17:09 入 07:21

岩井袋（千葉）2039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	10.4	↑2.1
12/31 00:10	12.9	↑2.5
12/31 00:20	15.8	↑2.9
12/31 00:30	19.0	↑3.2
12/31 00:40	22.5	↑3.5
12/31 00:50	26.3	↑3.8
12/31 01:00	30.4	↑4.1
12/31 01:10	34.7	↑4.3
12/31 01:20	39.3	↑4.6
12/31 01:30	44.1	↑4.8
12/31 01:40	49.0	↑4.9
12/31 01:50	54.1	↑5.1
12/31 02:00	59.3	↑5.2
12/31 02:10	64.6	↑5.3
12/31 02:20	69.9	↑5.3
12/31 02:30	75.3	↑5.4
12/31 02:40	80.6	↑5.3
12/31 02:50	85.9	↑5.3
12/31 03:00	91.2	↑5.3
12/31 03:10	96.3	↑5.1
12/31 03:20	101.3	↑5.0
12/31 03:30	106.1	↑4.8
12/31 03:40	110.8	↑4.7
12/31 03:50	115.3	↑4.5
12/31 04:00	119.6	↑4.3
12/31 04:10	123.6	↑4.0
12/31 04:20	127.3	↑3.7
12/31 04:30	130.8	↑3.5
12/31 04:40	134.0	↑3.2
12/31 04:50	136.9	↑2.9
12/31 05:00	139.4	↑2.5
12/31 05:10	141.7	↑2.3
12/31 05:20	143.6	↑1.9
12/31 05:30	145.2	↑1.6
12/31 05:40	146.5	↑1.3
12/31 05:50	147.4	↑0.9
12/31 06:00	148.0	↑0.6
12/31 06:10	148.3	↑0.3	満潮
12/31 06:20	148.3	0
12/31 06:30	148.1	↓-0.2
12/31 06:40	147.5	↓-0.6
12/31 06:50	146.6	↓-0.9
12/31 07:00	145.6	↓-1.0
12/31 07:10	144.2	↓-1.4
12/31 07:20	142.7	↓-1.5
12/31 07:30	141.0	↓-1.7
12/31 07:40	139.1	↓-1.9
12/31 07:50	137.1	↓-2.0
12/31 08:00	135.0	↓-2.1
12/31 08:10	132.7	↓-2.3
12/31 08:20	130.4	↓-2.3
12/31 08:30	128.1	↓-2.3
12/31 08:40	125.7	↓-2.4
12/31 08:50	123.3	↓-2.4
12/31 09:00	121.0	↓-2.3
12/31 09:10	118.7	↓-2.3
12/31 09:20	116.5	↓-2.2
12/31 09:30	114.4	↓-2.1
12/31 09:40	112.4	↓-2.0
12/31 09:50	110.6	↓-1.8
12/31 10:00	108.9	↓-1.7
12/31 10:10	107.4	↓-1.5
12/31 10:20	106.1	↓-1.3
12/31 10:30	104.9	↓-1.2
12/31 10:40	104.1	↓-0.8
12/31 10:50	103.4	↓-0.7
12/31 11:00	102.9	↓-0.5
12/31 11:10	102.8	↓-0.1	干潮
12/31 11:20	102.8	0
12/31 11:30	103.1	↑0.3
12/31 11:40	103.6	↑0.5
12/31 11:50	104.4	↑0.8
12/31 12:00	105.3	↑0.9
12/31 12:10	106.5	↑1.2
12/31 12:20	108.0	↑1.5
12/31 12:30	109.6	↑1.6
12/31 12:40	111.4	↑1.8
12/31 12:50	113.3	↑1.9
12/31 13:00	115.5	↑2.2
12/31 13:10	117.7	↑2.2
12/31 13:20	120.1	↑2.4
12/31 13:30	122.5	↑2.4
12/31 13:40	125.0	↑2.5
12/31 13:50	127.6	↑2.6
12/31 14:00	130.2	↑2.6
12/31 14:10	132.7	↑2.5
12/31 14:20	135.2	↑2.5
12/31 14:30	137.7	↑2.5
12/31 14:40	140.1	↑2.4
12/31 14:50	142.4	↑2.3
12/31 15:00	144.5	↑2.1
12/31 15:10	146.5	↑2.0
12/31 15:20	148.3	↑1.8
12/31 15:30	149.9	↑1.6
12/31 15:40	151.2	↑1.3
12/31 15:50	152.3	↑1.1
12/31 16:00	153.2	↑0.9
12/31 16:10	153.7	↑0.5
12/31 16:20	154.0	↑0.3	満潮
12/31 16:30	154.0	0
12/31 16:40	153.6	↓-0.4
12/31 16:50	152.9	↓-0.7
12/31 17:00	151.9	↓-1.0
12/31 17:10	150.5	↓-1.4
12/31 17:20	148.8	↓-1.7
12/31 17:30	146.8	↓-2.0
12/31 17:40	144.4	↓-2.4
12/31 17:50	141.7	↓-2.7
12/31 18:00	138.7	↓-3.0
12/31 18:10	135.3	↓-3.4
12/31 18:20	131.7	↓-3.6
12/31 18:30	127.7	↓-4.0
12/31 18:40	123.5	↓-4.2
12/31 18:50	119.1	↓-4.4
12/31 19:00	114.4	↓-4.7
12/31 19:10	109.5	↓-4.9
12/31 19:20	104.4	↓-5.1
12/31 19:30	99.2	↓-5.2
12/31 19:40	93.9	↓-5.3
12/31 19:50	88.4	↓-5.5
12/31 20:00	82.9	↓-5.5
12/31 20:10	77.3	↓-5.6	最大潮位差
12/31 20:20	71.8	↓-5.5
12/31 20:30	66.2	↓-5.6	最大潮位差
12/31 20:40	60.7	↓-5.5
12/31 20:50	55.3	↓-5.4
12/31 21:00	50.0	↓-5.3
12/31 21:10	44.9	↓-5.1
12/31 21:20	39.9	↓-5.0
12/31 21:30	35.1	↓-4.8
12/31 21:40	30.6	↓-4.5
12/31 21:50	26.3	↓-4.3
12/31 22:00	22.3	↓-4.0
12/31 22:10	18.7	↓-3.6
12/31 22:20	15.3	↓-3.4
12/31 22:30	12.3	↓-3.0
12/31 22:40	9.6	↓-2.7
12/31 22:50	7.4	↓-2.2
12/31 23:00	5.5	↓-1.9
12/31 23:10	4.0	↓-1.5
12/31 23:20	3.0	↓-1.0
12/31 23:30	2.4	↓-0.6
12/31 23:40	2.2	↓-0.2	干潮
12/31 23:50	2.4	↑0.2