20 (日)	03:45	10:13	16:42	22:25
	120cm	0cm	121cm	44cm
大潮 出 04:59 入 18:15 出 04:56 入 18:30 潮干狩り ◎ 08:02～12:23

銚子漁港（千葉）2042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	57.7	↑3.4
4/20 00:10	61.2	↑3.5
4/20 00:20	64.8	↑3.6
4/20 00:30	68.5	↑3.7
4/20 00:40	72.3	↑3.8
4/20 00:50	76.0	↑3.7
4/20 01:00	79.8	↑3.8
4/20 01:10	83.6	↑3.8
4/20 01:20	87.3	↑3.7
4/20 01:30	90.9	↑3.6
4/20 01:40	94.4	↑3.5
4/20 01:50	97.8	↑3.4
4/20 02:00	101.1	↑3.3
4/20 02:10	104.1	↑3.0
4/20 02:20	106.9	↑2.8
4/20 02:30	109.5	↑2.6
4/20 02:40	111.8	↑2.3
4/20 02:50	113.9	↑2.1
4/20 03:00	115.6	↑1.7
4/20 03:10	117.0	↑1.4
4/20 03:20	118.1	↑1.1
4/20 03:30	118.8	↑0.7
4/20 03:40	119.2	↑0.4	満潮
4/20 03:50	119.1	↓-0.1
4/20 04:00	118.7	↓-0.4
4/20 04:10	117.9	↓-0.8
4/20 04:20	116.7	↓-1.2
4/20 04:30	115.2	↓-1.5
4/20 04:40	113.3	↓-1.9
4/20 04:50	111.0	↓-2.3
4/20 05:00	108.4	↓-2.6
4/20 05:10	105.5	↓-2.9
4/20 05:20	102.3	↓-3.2
4/20 05:30	98.8	↓-3.5
4/20 05:40	95.0	↓-3.8
4/20 05:50	91.0	↓-4.0
4/20 06:00	86.9	↓-4.1
4/20 06:10	82.5	↓-4.4
4/20 06:20	78.0	↓-4.5
4/20 06:30	73.4	↓-4.6
4/20 06:40	68.7	↓-4.7
4/20 06:50	63.9	↓-4.8
4/20 07:00	59.1	↓-4.8
4/20 07:10	54.3	↓-4.8
4/20 07:20	49.6	↓-4.7
4/20 07:30	44.8	↓-4.8
4/20 07:40	40.2	↓-4.6
4/20 07:50	35.7	↓-4.5
4/20 08:00	31.3	↓-4.4
4/20 08:10	27.1	↓-4.2
4/20 08:20	23.1	↓-4.0
4/20 08:30	19.4	↓-3.7
4/20 08:40	15.8	↓-3.6
4/20 08:50	12.6	↓-3.2
4/20 09:00	9.7	↓-2.9
4/20 09:10	7.1	↓-2.6
4/20 09:20	4.8	↓-2.3
4/20 09:30	3.0	↓-1.8
4/20 09:40	1.5	↓-1.5
4/20 09:50	0.3	↓-1.2
4/20 10:00	-0.4	↓-0.7
4/20 10:10	-0.6	↓-0.2	干潮
4/20 10:20	-0.5	↑0.1
4/20 10:30	0.0	↑0.5
4/20 10:40	0.9	0
4/20 10:50	2.3	↑1.4
4/20 11:00	4.0	↑1.7
4/20 11:10	6.1	↑2.1
4/20 11:20	8.6	↑2.5
4/20 11:30	11.4	↑2.8
4/20 11:40	14.5	↑3.1
4/20 11:50	17.9	↑3.4
4/20 12:00	21.6	↑3.7
4/20 12:10	25.5	↑3.9
4/20 12:20	29.7	↑4.2
4/20 12:30	34.0	↑4.3
4/20 12:40	38.5	↑4.5
4/20 12:50	43.2	↑4.7
4/20 13:00	47.9	↑4.7
4/20 13:10	52.7	↑4.8
4/20 13:20	57.5	↑4.8
4/20 13:30	62.4	↑4.9	最大潮位差
4/20 13:40	67.2	↑4.8
4/20 13:50	72.0	↑4.8
4/20 14:00	76.8	↑4.8
4/20 14:10	81.4	↑4.6
4/20 14:20	85.9	↑4.5
4/20 14:30	90.2	↑4.3
4/20 14:40	94.3	↑4.1
4/20 14:50	98.2	↑3.9
4/20 15:00	101.8	↑3.6
4/20 15:10	105.2	↑3.4
4/20 15:20	108.3	↑3.1
4/20 15:30	111.1	↑2.8
4/20 15:40	113.5	↑2.4
4/20 15:50	115.6	↑2.1
4/20 16:00	117.3	↑1.7
4/20 16:10	118.6	↑1.3
4/20 16:20	119.6	↑1.0
4/20 16:30	120.2	↑0.6
4/20 16:40	120.4	↑0.2	満潮
4/20 16:50	120.3	↓-0.1
4/20 17:00	119.8	↓-0.5
4/20 17:10	118.9	↓-0.9
4/20 17:20	117.7	↓-1.2
4/20 17:30	116.2	↓-1.5
4/20 17:40	114.4	↓-1.8
4/20 17:50	112.3	↓-2.1
4/20 18:00	110.0	↓-2.3
4/20 18:10	107.4	↓-2.6
4/20 18:20	104.7	↓-2.7
4/20 18:30	101.7	↓-3.0
4/20 18:40	98.6	↓-3.1
4/20 18:50	95.4	↓-3.2
4/20 19:00	92.1	↓-3.3
4/20 19:10	88.7	↓-3.4
4/20 19:20	85.3	↓-3.4
4/20 19:30	81.8	↓-3.5
4/20 19:40	78.4	↓-3.4
4/20 19:50	75.0	↓-3.4
4/20 20:00	71.6	↓-3.4
4/20 20:10	68.3	↓-3.3
4/20 20:20	65.1	↓-3.2
4/20 20:30	62.1	↓-3.0
4/20 20:40	59.2	↓-2.9
4/20 20:50	56.4	↓-2.8
4/20 21:00	53.9	↓-2.5
4/20 21:10	51.6	↓-2.3
4/20 21:20	49.5	↓-2.1
4/20 21:30	47.7	↓-1.8
4/20 21:40	46.2	↓-1.5
4/20 21:50	45.0	↓-1.2
4/20 22:00	44.1	↓-0.9
4/20 22:10	43.5	↓-0.6
4/20 22:20	43.2	↓-0.3	干潮
4/20 22:30	43.2	0
4/20 22:40	43.6	↑0.4
4/20 22:50	44.3	↑0.7
4/20 23:00	45.3	↑1.0
4/20 23:10	46.6	↑1.3
4/20 23:20	48.2	↑1.6
4/20 23:30	50.1	↑1.9
4/20 23:40	52.2	↑2.1
4/20 23:50	54.7	↑2.5