20 (木)	01:48	07:45	13:20	19:36
	99cm	57cm	91cm	40cm
若潮 出 04:59 入 18:15 出 02:24 入 14:04

銚子漁港（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	88.8	↑1.7
4/20 00:10	90.3	↑1.5
4/20 00:20	91.8	↑1.5
4/20 00:30	93.1	↑1.3
4/20 00:40	94.2	↑1.1
4/20 00:50	95.3	↑1.1
4/20 01:00	96.1	↑0.8
4/20 01:10	96.8	↑0.7
4/20 01:20	97.4	↑0.6
4/20 01:30	97.7	↑0.3
4/20 01:40	98.0	↑0.3	満潮
4/20 01:50	98.0	0
4/20 02:00	97.9	↓-0.1
4/20 02:10	97.6	↓-0.3
4/20 02:20	97.1	↓-0.5
4/20 02:30	96.5	↓-0.6
4/20 02:40	95.7	↓-0.8
4/20 02:50	94.8	↓-0.9
4/20 03:00	93.8	↓-1.0
4/20 03:10	92.6	↓-1.2
4/20 03:20	91.3	↓-1.3
4/20 03:30	89.9	↓-1.4
4/20 03:40	88.4	↓-1.5
4/20 03:50	86.8	↓-1.6
4/20 04:00	85.1	↓-1.7
4/20 04:10	83.4	↓-1.7
4/20 04:20	81.7	↓-1.7
4/20 04:30	79.9	↓-1.8
4/20 04:40	78.1	↓-1.8
4/20 04:50	76.3	↓-1.8
4/20 05:00	74.5	↓-1.8
4/20 05:10	72.7	↓-1.8
4/20 05:20	71.0	↓-1.7
4/20 05:30	69.3	↓-1.7
4/20 05:40	67.7	↓-1.6
4/20 05:50	66.2	↓-1.5
4/20 06:00	64.8	↓-1.4
4/20 06:10	63.4	↓-1.4
4/20 06:20	62.2	↓-1.2
4/20 06:30	61.1	↓-1.1
4/20 06:40	60.1	↓-1.0
4/20 06:50	59.2	↓-0.9
4/20 07:00	58.5	↓-0.7
4/20 07:10	57.9	↓-0.6
4/20 07:20	57.4	↓-0.5
4/20 07:30	57.2	↓-0.2
4/20 07:40	57.0	↓-0.2	干潮
4/20 07:50	57.0	0
4/20 08:00	57.2	↑0.2
4/20 08:10	57.5	↑0.3
4/20 08:20	58.0	↑0.5
4/20 08:30	58.5	↑0.5
4/20 08:40	59.3	↑0.8
4/20 08:50	60.1	↑0.8
4/20 09:00	61.1	↑1.0
4/20 09:10	62.2	↑1.1
4/20 09:20	63.4	↑1.2
4/20 09:30	64.6	↑1.2
4/20 09:40	66.0	↑1.4
4/20 09:50	67.4	↑1.4
4/20 10:00	68.9	↑1.5
4/20 10:10	70.4	↑1.5
4/20 10:20	71.9	↑1.5
4/20 10:30	73.5	↑1.6
4/20 10:40	75.0	↑1.5
4/20 10:50	76.6	↑1.6
4/20 11:00	78.1	↑1.5
4/20 11:10	79.6	↑1.5
4/20 11:20	81.0	↑1.4
4/20 11:30	82.4	↑1.4
4/20 11:40	83.7	↑1.3
4/20 11:50	84.9	↑1.2
4/20 12:00	86.1	↑1.2
4/20 12:10	87.1	↑1.0
4/20 12:20	88.0	↑0.9
4/20 12:30	88.8	↑0.8
4/20 12:40	89.5	↑0.7
4/20 12:50	90.0	↑0.5
4/20 13:00	90.4	↑0.4
4/20 13:10	90.6	↑0.2	満潮
4/20 13:20	90.7	↑0.1	満潮
4/20 13:30	90.6	↓-0.1
4/20 13:40	90.3	↓-0.3
4/20 13:50	89.9	↓-0.4
4/20 14:00	89.3	↓-0.6
4/20 14:10	88.5	↓-0.8
4/20 14:20	87.6	↓-0.9
4/20 14:30	86.6	↓-1.0
4/20 14:40	85.4	↓-1.2
4/20 14:50	84.0	↓-1.4
4/20 15:00	82.6	↓-1.4
4/20 15:10	81.0	↓-1.6
4/20 15:20	79.2	↓-1.8
4/20 15:30	77.4	↓-1.8
4/20 15:40	75.5	↓-1.9
4/20 15:50	73.6	↓-1.9
4/20 16:00	71.6	↓-2.0
4/20 16:10	69.5	↓-2.1
4/20 16:20	67.4	↓-2.1
4/20 16:30	65.3	↓-2.1
4/20 16:40	63.1	↓-2.2
4/20 16:50	61.0	↓-2.1
4/20 17:00	59.0	↓-2.0
4/20 17:10	56.9	↓-2.1
4/20 17:20	54.9	↓-2.0
4/20 17:30	53.0	↓-1.9
4/20 17:40	51.2	↓-1.8
4/20 17:50	49.5	↓-1.7
4/20 18:00	47.9	↓-1.6
4/20 18:10	46.4	↓-1.5
4/20 18:20	45.0	↓-1.4
4/20 18:30	43.8	↓-1.2
4/20 18:40	42.7	↓-1.1
4/20 18:50	41.8	↓-0.9
4/20 19:00	41.1	↓-0.7
4/20 19:10	40.5	↓-0.6
4/20 19:20	40.1	↓-0.4
4/20 19:30	39.9	↓-0.2	干潮
4/20 19:40	39.9	0
4/20 19:50	40.1	↑0.2
4/20 20:00	40.5	↑0.4
4/20 20:10	41.0	↑0.5
4/20 20:20	41.8	↑0.8
4/20 20:30	42.7	↑0.9
4/20 20:40	43.8	↑1.1
4/20 20:50	45.1	↑1.3
4/20 21:00	46.5	↑1.4
4/20 21:10	48.1	↑1.6
4/20 21:20	49.9	↑1.8
4/20 21:30	51.7	↑1.8
4/20 21:40	53.7	↑2.0
4/20 21:50	55.8	↑2.1
4/20 22:00	58.0	↑2.2
4/20 22:10	60.3	↑2.3
4/20 22:20	62.7	↑2.4
4/20 22:30	65.1	↑2.4
4/20 22:40	67.5	↑2.4
4/20 22:50	70.0	↑2.5	最大潮位差
4/20 23:00	72.5	↑2.5	最大潮位差
4/20 23:10	75.0	↑2.5	最大潮位差
4/20 23:20	77.4	↑2.4
4/20 23:30	79.8	↑2.4
4/20 23:40	82.2	↑2.4
4/20 23:50	84.5	↑2.3