20 (金)	00:41	03:59	07:57	17:20
	100cm	97cm	100cm	38cm
長潮 出 05:01 入 18:17 出 11:16 入 01:16

上総勝浦（千葉）2040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	98.8	↑0.2
4/20 00:10	99.0	↑0.2
4/20 00:20	99.2	↑0.2
4/20 00:30	99.3	↑0.1
4/20 00:40	99.3	0	満潮
4/20 00:50	99.3	0
4/20 01:00	99.2	↓-0.1
4/20 01:10	99.1	↓-0.1
4/20 01:20	99.0	↓-0.1
4/20 01:30	98.8	↓-0.2
4/20 01:40	98.6	↓-0.2
4/20 01:50	98.4	↓-0.2
4/20 02:00	98.2	↓-0.2
4/20 02:10	98.0	↓-0.2
4/20 02:20	97.7	↓-0.3
4/20 02:30	97.5	↓-0.2
4/20 02:40	97.3	↓-0.2
4/20 02:50	97.1	↓-0.2
4/20 03:00	97.0	↓-0.1
4/20 03:10	96.8	↓-0.2
4/20 03:20	96.7	↓-0.1
4/20 03:30	96.6	↓-0.1
4/20 03:40	96.5	↓-0.1
4/20 03:50	96.5	0	干潮
4/20 04:00	96.5	0
4/20 04:10	96.5	0
4/20 04:20	96.6	↑0.1
4/20 04:30	96.6	0
4/20 04:40	96.7	↑0.1
4/20 04:50	96.8	↑0.1
4/20 05:00	97.0	↑0.2
4/20 05:10	97.1	↑0.1
4/20 05:20	97.3	↑0.2
4/20 05:30	97.5	↑0.2
4/20 05:40	97.7	↑0.2
4/20 05:50	97.9	↑0.2
4/20 06:00	98.1	↑0.2
4/20 06:10	98.3	↑0.2
4/20 06:20	98.5	↑0.2
4/20 06:30	98.6	↑0.1
4/20 06:40	98.8	↑0.2
4/20 06:50	99.0	↑0.2
4/20 07:00	99.2	↑0.2
4/20 07:10	99.3	↑0.1
4/20 07:20	99.4	↑0.1
4/20 07:30	99.5	↑0.1
4/20 07:40	99.6	↑0.1
4/20 07:50	99.6	0	満潮
4/20 08:00	99.6	0
4/20 08:10	99.6	0
4/20 08:20	99.5	↓-0.1
4/20 08:30	99.4	↓-0.1
4/20 08:40	99.2	↓-0.2
4/20 08:50	99.0	↓-0.2
4/20 09:00	98.7	↓-0.3
4/20 09:10	98.3	↓-0.4
4/20 09:20	97.9	↓-0.4
4/20 09:30	97.4	↓-0.5
4/20 09:40	96.9	↓-0.5
4/20 09:50	96.2	↓-0.7
4/20 10:00	95.6	↓-0.6
4/20 10:10	94.8	↓-0.8
4/20 10:20	94.0	↓-0.8
4/20 10:30	93.1	↓-0.9
4/20 10:40	92.1	↓-1.0
4/20 10:50	91.0	↓-1.1
4/20 11:00	89.9	↓-1.1
4/20 11:10	88.7	↓-1.2
4/20 11:20	87.5	↓-1.2
4/20 11:30	86.2	↓-1.3
4/20 11:40	84.8	↓-1.4
4/20 11:50	83.3	↓-1.5
4/20 12:00	81.8	↓-1.5
4/20 12:10	80.3	↓-1.5
4/20 12:20	78.6	↓-1.7
4/20 12:30	77.0	↓-1.6
4/20 12:40	75.3	↓-1.7
4/20 12:50	73.5	↓-1.8
4/20 13:00	71.7	↓-1.8
4/20 13:10	69.9	↓-1.8
4/20 13:20	68.0	↓-1.9
4/20 13:30	66.1	↓-1.9
4/20 13:40	64.3	↓-1.8
4/20 13:50	62.4	↓-1.9
4/20 14:00	60.5	↓-1.9
4/20 14:10	58.6	↓-1.9
4/20 14:20	56.7	↓-1.9
4/20 14:30	54.9	↓-1.8
4/20 14:40	53.1	↓-1.8
4/20 14:50	51.4	↓-1.7
4/20 15:00	49.7	↓-1.7
4/20 15:10	48.1	↓-1.6
4/20 15:20	46.6	↓-1.5
4/20 15:30	45.1	↓-1.5
4/20 15:40	43.8	↓-1.3
4/20 15:50	42.5	↓-1.3
4/20 16:00	41.4	↓-1.1
4/20 16:10	40.4	↓-1.0
4/20 16:20	39.5	↓-0.9
4/20 16:30	38.8	↓-0.7
4/20 16:40	38.1	↓-0.7
4/20 16:50	37.6	↓-0.5
4/20 17:00	37.3	↓-0.3
4/20 17:10	37.1	↓-0.2	干潮
4/20 17:20	37.0	↓-0.1	干潮
4/20 17:30	37.1	↑0.1
4/20 17:40	37.3	↑0.2
4/20 17:50	37.7	↑0.4
4/20 18:00	38.2	↑0.5
4/20 18:10	38.9	↑0.7
4/20 18:20	39.7	↑0.8
4/20 18:30	40.6	↑0.9
4/20 18:40	41.6	↑1.0
4/20 18:50	42.8	↑1.2
4/20 19:00	44.1	↑1.3
4/20 19:10	45.6	↑1.5
4/20 19:20	47.1	↑1.5
4/20 19:30	48.8	↑1.7
4/20 19:40	50.5	↑1.7
4/20 19:50	52.3	↑1.8
4/20 20:00	54.2	↑1.9
4/20 20:10	56.2	↑2.0
4/20 20:20	58.2	↑2.0
4/20 20:30	60.3	↑2.1
4/20 20:40	62.5	↑2.2	最大潮位差
4/20 20:50	64.6	↑2.1
4/20 21:00	66.8	↑2.2	最大潮位差
4/20 21:10	69.0	↑2.2	最大潮位差
4/20 21:20	71.2	↑2.2	最大潮位差
4/20 21:30	73.3	↑2.1
4/20 21:40	75.5	↑2.2	最大潮位差
4/20 21:50	77.6	↑2.1
4/20 22:00	79.7	↑2.1
4/20 22:10	81.7	↑2.0
4/20 22:20	83.7	↑2.0
4/20 22:30	85.6	↑1.9
4/20 22:40	87.5	↑1.9
4/20 22:50	89.3	↑1.8
4/20 23:00	91.0	↑1.7
4/20 23:10	92.6	↑1.6
4/20 23:20	94.1	↑1.5
4/20 23:30	95.6	↑1.5
4/20 23:40	96.9	↑1.3
4/20 23:50	98.2	↑1.3