20 (金)	07:10	01:30	21:44	14:18
	167cm	105cm	146cm	33cm
小潮 出 05:01 入 18:17 出 09:14 入 23:58 潮干狩り ○ 12:50～15:52

寒川（千葉）2029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	115.5	↓-2.4
4/20 00:10	113.3	↓-2.2
4/20 00:20	111.4	↓-1.9
4/20 00:30	109.6	↓-1.8
4/20 00:40	108.1	↓-1.5
4/20 00:50	106.8	↓-1.3
4/20 01:00	105.8	↓-1.0
4/20 01:10	105.1	↓-0.7
4/20 01:20	104.7	↓-0.4	干潮
4/20 01:30	104.6	↓-0.1	干潮
4/20 01:40	104.8	↑0.2
4/20 01:50	105.3	↑0.5
4/20 02:00	106.1	↑0.8
4/20 02:10	107.1	↑1.0
4/20 02:20	108.4	↑1.3
4/20 02:30	110.0	↑1.6
4/20 02:40	111.8	↑1.8
4/20 02:50	113.8	↑2.0
4/20 03:00	116.0	↑2.2
4/20 03:10	118.3	↑2.3
4/20 03:20	120.8	↑2.5
4/20 03:30	123.4	↑2.6
4/20 03:40	126.1	↑2.7
4/20 03:50	128.9	↑2.8
4/20 04:00	131.7	↑2.8
4/20 04:10	134.5	↑2.8
4/20 04:20	137.3	↑2.8
4/20 04:30	140.1	↑2.8
4/20 04:40	142.8	↑2.7
4/20 04:50	145.4	↑2.6
4/20 05:00	148.0	↑2.6
4/20 05:10	150.4	↑2.4
4/20 05:20	152.7	↑2.3
4/20 05:30	154.9	↑2.2
4/20 05:40	156.9	↑2.0
4/20 05:50	158.8	↑1.9
4/20 06:00	160.4	↑1.6
4/20 06:10	161.9	↑1.5
4/20 06:20	163.2	↑1.3
4/20 06:30	164.3	↑1.1
4/20 06:40	165.1	↑0.8
4/20 06:50	165.7	↑0.6
4/20 07:00	166.0	↑0.3	満潮
4/20 07:10	166.2	↑0.2	満潮
4/20 07:20	166.0	↓-0.2
4/20 07:30	165.6	↓-0.4
4/20 07:40	164.9	↓-0.7
4/20 07:50	163.9	↓-1.0
4/20 08:00	162.6	↓-1.3
4/20 08:10	161.1	↓-1.5
4/20 08:20	159.3	↓-1.8
4/20 08:30	157.1	↓-2.2
4/20 08:40	154.7	↓-2.4
4/20 08:50	152.0	↓-2.7
4/20 09:00	149.0	↓-3.0
4/20 09:10	145.7	↓-3.3
4/20 09:20	142.1	↓-3.6
4/20 09:30	138.3	↓-3.8
4/20 09:40	134.3	↓-4.0
4/20 09:50	130.0	↓-4.3
4/20 10:00	125.5	↓-4.5
4/20 10:10	120.9	↓-4.6
4/20 10:20	116.1	↓-4.8
4/20 10:30	111.1	↓-5.0
4/20 10:40	106.0	↓-5.1
4/20 10:50	100.9	↓-5.1
4/20 11:00	95.8	↓-5.1
4/20 11:10	90.6	↓-5.2	最大潮位差
4/20 11:20	85.5	↓-5.1
4/20 11:30	80.4	↓-5.1
4/20 11:40	75.5	↓-4.9
4/20 11:50	70.6	↓-4.9
4/20 12:00	66.0	↓-4.6
4/20 12:10	61.5	↓-4.5
4/20 12:20	57.3	↓-4.2
4/20 12:30	53.3	↓-4.0
4/20 12:40	49.6	↓-3.7
4/20 12:50	46.3	↓-3.3
4/20 13:00	43.2	↓-3.1
4/20 13:10	40.5	↓-2.7
4/20 13:20	38.2	↓-2.3
4/20 13:30	36.2	↓-2.0
4/20 13:40	34.6	↓-1.6
4/20 13:50	33.4	↓-1.2
4/20 14:00	32.6	↓-0.8
4/20 14:10	32.1	↓-0.5	干潮
4/20 14:20	32.1	0
4/20 14:30	32.3	↑0.2
4/20 14:40	33.0	↑0.7
4/20 14:50	33.9	↑0.9
4/20 15:00	35.2	↑1.3
4/20 15:10	36.8	↑1.6
4/20 15:20	38.7	↑1.9
4/20 15:30	40.8	↑2.1
4/20 15:40	43.2	↑2.4
4/20 15:50	45.9	↑2.7
4/20 16:00	48.7	↑2.8
4/20 16:10	51.7	↑3.0
4/20 16:20	54.9	↑3.2
4/20 16:30	58.2	↑3.3
4/20 16:40	61.7	↑3.5
4/20 16:50	65.3	↑3.6
4/20 17:00	69.0	↑3.7
4/20 17:10	72.7	↑3.7
4/20 17:20	76.5	↑3.8
4/20 17:30	80.3	↑3.8
4/20 17:40	84.2	↑3.9
4/20 17:50	88.1	↑3.9
4/20 18:00	92.0	↑3.9
4/20 18:10	95.8	↑3.8
4/20 18:20	99.6	↑3.8
4/20 18:30	103.4	↑3.8
4/20 18:40	107.1	↑3.7
4/20 18:50	110.7	↑3.6
4/20 19:00	114.2	↑3.5
4/20 19:10	117.6	↑3.4
4/20 19:20	120.8	↑3.2
4/20 19:30	124.0	↑3.2
4/20 19:40	126.9	↑2.9
4/20 19:50	129.7	↑2.8
4/20 20:00	132.3	↑2.6
4/20 20:10	134.7	↑2.4
4/20 20:20	136.9	↑2.2
4/20 20:30	138.9	↑2.0
4/20 20:40	140.6	↑1.7
4/20 20:50	142.1	↑1.5
4/20 21:00	143.3	↑1.2
4/20 21:10	144.3	↑1.0
4/20 21:20	145.0	↑0.7
4/20 21:30	145.5	↑0.5
4/20 21:40	145.7	↑0.2	満潮
4/20 21:50	145.6	↓-0.1
4/20 22:00	145.3	↓-0.3
4/20 22:10	144.8	↓-0.5
4/20 22:20	144.1	↓-0.7
4/20 22:30	143.1	↓-1.0
4/20 22:40	142.0	↓-1.1
4/20 22:50	140.7	↓-1.3
4/20 23:00	139.3	↓-1.4
4/20 23:10	137.7	↓-1.6
4/20 23:20	136.0	↓-1.7
4/20 23:30	134.3	↓-1.7
4/20 23:40	132.6	↓-1.7
4/20 23:50	130.8	↓-1.8