20 (木)	02:27	08:35	14:12	20:25
	130cm	72cm	119cm	51cm
若潮 出 05:03 入 18:19 出 02:28 入 14:08

岩井袋（千葉）2028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	107.8	↑2.7
4/20 00:10	110.5	↑2.7
4/20 00:20	113.1	↑2.6
4/20 00:30	115.5	↑2.4
4/20 00:40	117.8	↑2.3
4/20 00:50	119.9	↑2.1
4/20 01:00	121.8	↑1.9
4/20 01:10	123.5	↑1.7
4/20 01:20	125.1	↑1.6
4/20 01:30	126.4	↑1.3
4/20 01:40	127.6	↑1.2
4/20 01:50	128.5	↑0.9
4/20 02:00	129.2	↑0.7
4/20 02:10	129.7	↑0.5
4/20 02:20	129.9	↑0.2	満潮
4/20 02:30	130.0	↑0.1
4/20 02:40	129.8	↓-0.2
4/20 02:50	129.4	↓-0.4
4/20 03:00	128.7	↓-0.7
4/20 03:10	127.9	↓-0.8
4/20 03:20	126.8	↓-1.1
4/20 03:30	125.6	↓-1.2
4/20 03:40	124.2	↓-1.4
4/20 03:50	122.6	↓-1.6
4/20 04:00	120.8	↓-1.8
4/20 04:10	118.9	↓-1.9
4/20 04:20	116.9	↓-2.0
4/20 04:30	114.7	↓-2.2
4/20 04:40	112.4	↓-2.3
4/20 04:50	110.1	↓-2.3
4/20 05:00	107.7	↓-2.4
4/20 05:10	105.2	↓-2.5
4/20 05:20	102.8	↓-2.4
4/20 05:30	100.3	↓-2.5
4/20 05:40	97.8	↓-2.5
4/20 05:50	95.3	↓-2.5
4/20 06:00	92.9	↓-2.4
4/20 06:10	90.5	↓-2.4
4/20 06:20	88.2	↓-2.3
4/20 06:30	86.0	↓-2.2
4/20 06:40	83.9	↓-2.1
4/20 06:50	81.9	↓-2.0
4/20 07:00	80.1	↓-1.8
4/20 07:10	78.4	↓-1.7
4/20 07:20	76.9	↓-1.5
4/20 07:30	75.5	↓-1.4
4/20 07:40	74.4	↓-1.1
4/20 07:50	73.4	↓-1.0
4/20 08:00	72.6	↓-0.8
4/20 08:10	72.0	↓-0.6
4/20 08:20	71.6	↓-0.4
4/20 08:30	71.4	↓-0.2	干潮
4/20 08:40	71.4	0
4/20 08:50	71.7	↑0.3
4/20 09:00	72.1	↑0.4
4/20 09:10	72.7	↑0.6
4/20 09:20	73.5	↑0.8
4/20 09:30	74.5	↑1.0
4/20 09:40	75.7	↑1.2
4/20 09:50	77.0	↑1.3
4/20 10:00	78.5	↑1.5
4/20 10:10	80.1	↑1.6
4/20 10:20	81.9	↑1.8
4/20 10:30	83.7	↑1.8
4/20 10:40	85.7	↑2.0
4/20 10:50	87.7	↑2.0
4/20 11:00	89.8	↑2.1
4/20 11:10	92.0	↑2.2
4/20 11:20	94.1	↑2.1
4/20 11:30	96.3	↑2.2
4/20 11:40	98.5	↑2.2
4/20 11:50	100.6	↑2.1
4/20 12:00	102.7	↑2.1
4/20 12:10	104.7	↑2.0
4/20 12:20	106.7	↑2.0
4/20 12:30	108.5	↑1.8
4/20 12:40	110.2	↑1.7
4/20 12:50	111.8	↑1.6
4/20 13:00	113.3	↑1.5
4/20 13:10	114.5	↑1.2
4/20 13:20	115.7	↑1.2
4/20 13:30	116.6	↑0.9
4/20 13:40	117.3	↑0.7
4/20 13:50	117.9	↑0.6
4/20 14:00	118.2	↑0.3
4/20 14:10	118.3	↑0.1	満潮
4/20 14:20	118.2	↓-0.1
4/20 14:30	117.9	↓-0.3
4/20 14:40	117.4	↓-0.5
4/20 14:50	116.6	↓-0.8
4/20 15:00	115.7	↓-0.9
4/20 15:10	114.5	↓-1.2
4/20 15:20	113.1	↓-1.4
4/20 15:30	111.5	↓-1.6
4/20 15:40	109.7	↓-1.8
4/20 15:50	107.8	↓-1.9
4/20 16:00	105.7	↓-2.1
4/20 16:10	103.4	↓-2.3
4/20 16:20	101.0	↓-2.4
4/20 16:30	98.5	↓-2.5
4/20 16:40	95.9	↓-2.6
4/20 16:50	93.2	↓-2.7
4/20 17:00	90.4	↓-2.8
4/20 17:10	87.6	↓-2.8
4/20 17:20	84.7	↓-2.9
4/20 17:30	81.9	↓-2.8
4/20 17:40	79.0	↓-2.9
4/20 17:50	76.2	↓-2.8
4/20 18:00	73.5	↓-2.7
4/20 18:10	70.8	↓-2.7
4/20 18:20	68.2	↓-2.6
4/20 18:30	65.7	↓-2.5
4/20 18:40	63.4	↓-2.3
4/20 18:50	61.2	↓-2.2
4/20 19:00	59.2	↓-2.0
4/20 19:10	57.4	↓-1.8
4/20 19:20	55.7	↓-1.7
4/20 19:30	54.3	↓-1.4
4/20 19:40	53.1	↓-1.2
4/20 19:50	52.1	↓-1.0
4/20 20:00	51.4	↓-0.7
4/20 20:10	50.9	↓-0.5
4/20 20:20	50.7	↓-0.2	干潮
4/20 20:30	50.7	0
4/20 20:40	51.0	↑0.3
4/20 20:50	51.5	↑0.5
4/20 21:00	52.4	↑0.9
4/20 21:10	53.4	↑1.0
4/20 21:20	54.8	↑1.4
4/20 21:30	56.3	↑1.5
4/20 21:40	58.1	↑1.8
4/20 21:50	60.2	↑2.1
4/20 22:00	62.4	↑2.2
4/20 22:10	64.9	↑2.5
4/20 22:20	67.5	↑2.6
4/20 22:30	70.3	↑2.8
4/20 22:40	73.2	↑2.9
4/20 22:50	76.3	↑3.1
4/20 23:00	79.5	↑3.2
4/20 23:10	82.8	↑3.3
4/20 23:20	86.1	↑3.3
4/20 23:30	89.5	↑3.4	最大潮位差
4/20 23:40	92.9	↑3.4	最大潮位差
4/20 23:50	96.3	↑3.4	最大潮位差