20 (火)	01:42	07:57	13:27	19:37
	117cm	71cm	105cm	52cm
若潮 出 05:04 入 18:18 出 13:23 入 01:46

館山（千葉）2032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	108.2	↑1.5
4/20 00:10	109.6	↑1.4
4/20 00:20	111.0	↑1.4
4/20 00:30	112.2	↑1.2
4/20 00:40	113.2	↑1.0
4/20 00:50	114.1	↑0.9
4/20 01:00	114.9	↑0.8
4/20 01:10	115.4	↑0.5
4/20 01:20	115.9	↑0.5
4/20 01:30	116.1	↑0.2
4/20 01:40	116.2	↑0.1	満潮
4/20 01:50	116.1	↓-0.1
4/20 02:00	115.9	↓-0.2
4/20 02:10	115.5	↓-0.4
4/20 02:20	115.0	↓-0.5
4/20 02:30	114.3	↓-0.7
4/20 02:40	113.5	↓-0.8
4/20 02:50	112.6	↓-0.9
4/20 03:00	111.5	↓-1.1
4/20 03:10	110.4	↓-1.1
4/20 03:20	109.1	↓-1.3
4/20 03:30	107.8	↓-1.3
4/20 03:40	106.4	↓-1.4
4/20 03:50	104.9	↓-1.5
4/20 04:00	103.3	↓-1.6
4/20 04:10	101.7	↓-1.6
4/20 04:20	100.0	↓-1.7
4/20 04:30	98.3	↓-1.7
4/20 04:40	96.5	↓-1.8
4/20 04:50	94.7	↓-1.8
4/20 05:00	92.8	↓-1.9
4/20 05:10	91.0	↓-1.8
4/20 05:20	89.1	↓-1.9
4/20 05:30	87.3	↓-1.8
4/20 05:40	85.5	↓-1.8
4/20 05:50	83.7	↓-1.8
4/20 06:00	82.0	↓-1.7
4/20 06:10	80.3	↓-1.7
4/20 06:20	78.7	↓-1.6
4/20 06:30	77.3	↓-1.4
4/20 06:40	75.9	↓-1.4
4/20 06:50	74.7	↓-1.2
4/20 07:00	73.6	↓-1.1
4/20 07:10	72.7	↓-0.9
4/20 07:20	72.0	↓-0.7
4/20 07:30	71.4	↓-0.6
4/20 07:40	71.1	↓-0.3
4/20 07:50	70.9	↓-0.2	干潮
4/20 08:00	70.8	↓-0.1
4/20 08:10	71.0	↑0.2
4/20 08:20	71.3	↑0.3
4/20 08:30	71.8	↑0.5
4/20 08:40	72.5	↑0.7
4/20 08:50	73.3	↑0.8
4/20 09:00	74.2	↑0.9
4/20 09:10	75.2	↑1.0
4/20 09:20	76.4	↑1.2
4/20 09:30	77.6	↑1.2
4/20 09:40	78.9	↑1.3
4/20 09:50	80.2	↑1.3
4/20 10:00	81.6	↑1.4
4/20 10:10	83.1	↑1.5
4/20 10:20	84.6	↑1.5
4/20 10:30	86.1	↑1.5
4/20 10:40	87.6	↑1.5
4/20 10:50	89.1	↑1.5
4/20 11:00	90.6	↑1.5
4/20 11:10	92.1	↑1.5
4/20 11:20	93.5	↑1.4
4/20 11:30	94.9	↑1.4
4/20 11:40	96.3	↑1.4
4/20 11:50	97.6	↑1.3
4/20 12:00	98.9	↑1.3
4/20 12:10	100.0	↑1.1
4/20 12:20	101.1	↑1.1
4/20 12:30	102.0	↑0.9
4/20 12:40	102.8	↑0.8
4/20 12:50	103.5	↑0.7
4/20 13:00	104.0	↑0.5
4/20 13:10	104.4	↑0.4
4/20 13:20	104.6	↑0.2	満潮
4/20 13:30	104.6	0
4/20 13:40	104.4	↓-0.2
4/20 13:50	104.1	↓-0.3
4/20 14:00	103.6	↓-0.5
4/20 14:10	102.9	↓-0.7
4/20 14:20	102.0	↓-0.9
4/20 14:30	100.9	↓-1.1
4/20 14:40	99.7	↓-1.2
4/20 14:50	98.4	↓-1.3
4/20 15:00	96.9	↓-1.5
4/20 15:10	95.3	↓-1.6
4/20 15:20	93.6	↓-1.7
4/20 15:30	91.8	↓-1.8
4/20 15:40	89.9	↓-1.9
4/20 15:50	87.9	↓-2.0
4/20 16:00	85.9	↓-2.0
4/20 16:10	83.8	↓-2.1
4/20 16:20	81.7	↓-2.1
4/20 16:30	79.5	↓-2.2
4/20 16:40	77.3	↓-2.2
4/20 16:50	75.2	↓-2.1
4/20 17:00	73.0	↓-2.2
4/20 17:10	70.9	↓-2.1
4/20 17:20	68.8	↓-2.1
4/20 17:30	66.7	↓-2.1
4/20 17:40	64.7	↓-2.0
4/20 17:50	62.8	↓-1.9
4/20 18:00	61.0	↓-1.8
4/20 18:10	59.3	↓-1.7
4/20 18:20	57.7	↓-1.6
4/20 18:30	56.2	↓-1.5
4/20 18:40	54.9	↓-1.3
4/20 18:50	53.8	↓-1.1
4/20 19:00	52.9	↓-0.9
4/20 19:10	52.2	↓-0.7
4/20 19:20	51.7	↓-0.5
4/20 19:30	51.4	↓-0.3	干潮
4/20 19:40	51.4	0
4/20 19:50	51.6	↑0.2
4/20 20:00	52.1	↑0.5
4/20 20:10	52.7	↑0.6
4/20 20:20	53.6	↑0.9
4/20 20:30	54.8	↑1.2
4/20 20:40	56.1	↑1.3
4/20 20:50	57.7	↑1.6
4/20 21:00	59.4	↑1.7
4/20 21:10	61.3	↑1.9
4/20 21:20	63.3	↑2.0
4/20 21:30	65.5	↑2.2
4/20 21:40	67.7	↑2.2
4/20 21:50	70.1	↑2.4
4/20 22:00	72.6	↑2.5
4/20 22:10	75.1	↑2.5
4/20 22:20	77.7	↑2.6
4/20 22:30	80.3	↑2.6
4/20 22:40	82.9	↑2.6
4/20 22:50	85.6	↑2.7	最大潮位差
4/20 23:00	88.2	↑2.6
4/20 23:10	90.8	↑2.6
4/20 23:20	93.4	↑2.6
4/20 23:30	96.0	↑2.6
4/20 23:40	98.5	↑2.5
4/20 23:50	101.0	↑2.5