20 (月)	06:42	01:10	20:50	13:46
	139cm	83cm	125cm	24cm
中潮 出 05:04 入 18:19 出 08:12 入 22:39 潮干狩り ○ 12:08～15:25

岩井袋（千葉）2037年04月20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
4/20 00:00	88.3	↓-1.6
4/20 00:10	86.9	↓-1.4
4/20 00:20	85.7	↓-1.2
4/20 00:30	84.6	↓-1.1
4/20 00:40	83.9	↓-0.7
4/20 00:50	83.3	↓-0.6
4/20 01:00	83.0	↓-0.3	干潮
4/20 01:10	82.9	↓-0.1	干潮
4/20 01:20	83.0	↑0.1
4/20 01:30	83.4	↑0.4
4/20 01:40	84.0	↑0.6
4/20 01:50	84.8	↑0.8
4/20 02:00	85.9	↑1.1
4/20 02:10	87.2	↑1.3
4/20 02:20	88.6	↑1.4
4/20 02:30	90.3	↑1.7
4/20 02:40	92.1	↑1.8
4/20 02:50	94.1	↑2.0
4/20 03:00	96.3	↑2.2
4/20 03:10	98.5	↑2.2
4/20 03:20	100.9	↑2.4
4/20 03:30	103.4	↑2.5
4/20 03:40	105.9	↑2.5
4/20 03:50	108.5	↑2.6
4/20 04:00	111.1	↑2.6
4/20 04:10	113.7	↑2.6
4/20 04:20	116.3	↑2.6
4/20 04:30	118.8	↑2.5
4/20 04:40	121.3	↑2.5
4/20 04:50	123.7	↑2.4
4/20 05:00	125.9	↑2.2
4/20 05:10	128.1	↑2.2
4/20 05:20	130.1	↑2.0
4/20 05:30	131.9	↑1.8
4/20 05:40	133.5	↑1.6
4/20 05:50	134.9	↑1.4
4/20 06:00	136.1	↑1.2
4/20 06:10	137.0	↑0.9
4/20 06:20	137.7	↑0.7
4/20 06:30	138.2	↑0.5
4/20 06:40	138.3	↑0.1	満潮
4/20 06:50	138.2	↓-0.1
4/20 07:00	137.8	↓-0.4
4/20 07:10	137.1	↓-0.7
4/20 07:20	136.2	↓-0.9
4/20 07:30	134.9	↓-1.3
4/20 07:40	133.4	↓-1.5
4/20 07:50	131.5	↓-1.9
4/20 08:00	129.4	↓-2.1
4/20 08:10	127.1	↓-2.3
4/20 08:20	124.5	↓-2.6
4/20 08:30	121.6	↓-2.9
4/20 08:40	118.5	↓-3.1
4/20 08:50	115.2	↓-3.3
4/20 09:00	111.7	↓-3.5
4/20 09:10	108.1	↓-3.6
4/20 09:20	104.3	↓-3.8
4/20 09:30	100.3	↓-4.0
4/20 09:40	96.2	↓-4.1
4/20 09:50	92.1	↓-4.1
4/20 10:00	87.8	↓-4.3	最大潮位差
4/20 10:10	83.6	↓-4.2
4/20 10:20	79.3	↓-4.3	最大潮位差
4/20 10:30	75.0	↓-4.3	最大潮位差
4/20 10:40	70.7	↓-4.3	最大潮位差
4/20 10:50	66.5	↓-4.2
4/20 11:00	62.4	↓-4.1
4/20 11:10	58.4	↓-4.0
4/20 11:20	54.5	↓-3.9
4/20 11:30	50.8	↓-3.7
4/20 11:40	47.2	↓-3.6
4/20 11:50	43.9	↓-3.3
4/20 12:00	40.7	↓-3.2
4/20 12:10	37.8	↓-2.9
4/20 12:20	35.1	↓-2.7
4/20 12:30	32.7	↓-2.4
4/20 12:40	30.5	↓-2.2
4/20 12:50	28.7	↓-1.8
4/20 13:00	27.1	↓-1.6
4/20 13:10	25.8	↓-1.3
4/20 13:20	24.9	↓-0.9
4/20 13:30	24.3	↓-0.6
4/20 13:40	23.9	↓-0.4	干潮
4/20 13:50	23.9	0
4/20 14:00	24.2	↑0.3
4/20 14:10	24.9	↑0.7
4/20 14:20	25.8	↑0.9
4/20 14:30	27.0	↑1.2
4/20 14:40	28.5	↑1.5
4/20 14:50	30.3	↑1.8
4/20 15:00	32.4	↑2.1
4/20 15:10	34.7	↑2.3
4/20 15:20	37.2	↑2.5
4/20 15:30	39.9	↑2.7
4/20 15:40	42.9	↑3.0
4/20 15:50	46.0	↑3.1
4/20 16:00	49.3	↑3.3
4/20 16:10	52.7	↑3.4
4/20 16:20	56.3	↑3.6
4/20 16:30	59.9	↑3.6
4/20 16:40	63.6	↑3.7
4/20 16:50	67.4	↑3.8
4/20 17:00	71.2	↑3.8
4/20 17:10	75.0	↑3.8
4/20 17:20	78.8	↑3.8
4/20 17:30	82.5	↑3.7
4/20 17:40	86.2	↑3.7
4/20 17:50	89.8	↑3.6
4/20 18:00	93.3	↑3.5
4/20 18:10	96.7	↑3.4
4/20 18:20	99.9	↑3.2
4/20 18:30	103.0	↑3.1
4/20 18:40	105.9	↑2.9
4/20 18:50	108.6	↑2.7
4/20 19:00	111.2	↑2.6
4/20 19:10	113.5	↑2.3
4/20 19:20	115.6	↑2.1
4/20 19:30	117.5	↑1.9
4/20 19:40	119.2	↑1.7
4/20 19:50	120.7	↑1.5
4/20 20:00	121.9	↑1.2
4/20 20:10	122.9	↑1.0
4/20 20:20	123.6	↑0.7
4/20 20:30	124.1	↑0.5
4/20 20:40	124.4	↑0.3	満潮
4/20 20:50	124.5	↑0.1	満潮
4/20 21:00	124.4	↓-0.1
4/20 21:10	124.1	↓-0.3
4/20 21:20	123.6	↓-0.5
4/20 21:30	122.9	↓-0.7
4/20 21:40	122.0	↓-0.9
4/20 21:50	121.0	↓-1.0
4/20 22:00	119.8	↓-1.2
4/20 22:10	118.6	↓-1.2
4/20 22:20	117.2	↓-1.4
4/20 22:30	115.7	↓-1.5
4/20 22:40	114.2	↓-1.5
4/20 22:50	112.6	↓-1.6
4/20 23:00	111.0	↓-1.6
4/20 23:10	109.3	↓-1.7
4/20 23:20	107.7	↓-1.6
4/20 23:30	106.1	↓-1.6
4/20 23:40	104.5	↓-1.6
4/20 23:50	102.9	↓-1.6