20 (日)	01:19	07:24	11:38	18:47
	116cm	88cm	98cm	51cm
小潮 出 05:04 入 18:18 出 01:33 入 12:22

館山（千葉）2036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	111.7	↑1.0
4/20 00:10	112.7	↑1.0
4/20 00:20	113.5	↑0.8
4/20 00:30	114.1	↑0.6
4/20 00:40	114.7	↑0.6
4/20 00:50	115.1	↑0.4
4/20 01:00	115.4	↑0.3
4/20 01:10	115.6	↑0.2	満潮
4/20 01:20	115.6	0
4/20 01:30	115.5	↓-0.1
4/20 01:40	115.3	↓-0.2
4/20 01:50	115.0	↓-0.3
4/20 02:00	114.6	↓-0.4
4/20 02:10	114.1	↓-0.5
4/20 02:20	113.5	↓-0.6
4/20 02:30	112.9	↓-0.6
4/20 02:40	112.1	↓-0.8
4/20 02:50	111.3	↓-0.8
4/20 03:00	110.5	↓-0.8
4/20 03:10	109.6	↓-0.9
4/20 03:20	108.6	↓-1.0
4/20 03:30	107.6	↓-1.0
4/20 03:40	106.6	↓-1.0
4/20 03:50	105.6	↓-1.0
4/20 04:00	104.5	↓-1.1
4/20 04:10	103.4	↓-1.1
4/20 04:20	102.2	↓-1.2
4/20 04:30	101.1	↓-1.1
4/20 04:40	99.9	↓-1.2
4/20 04:50	98.7	↓-1.2
4/20 05:00	97.6	↓-1.1
4/20 05:10	96.4	↓-1.2
4/20 05:20	95.3	↓-1.1
4/20 05:30	94.2	↓-1.1
4/20 05:40	93.1	↓-1.1
4/20 05:50	92.1	↓-1.0
4/20 06:00	91.1	↓-1.0
4/20 06:10	90.3	↓-0.8
4/20 06:20	89.5	↓-0.8
4/20 06:30	88.8	↓-0.7
4/20 06:40	88.3	↓-0.5
4/20 06:50	87.8	↓-0.5
4/20 07:00	87.5	↓-0.3
4/20 07:10	87.3	↓-0.2
4/20 07:20	87.2	↓-0.1	干潮
4/20 07:30	87.2	0
4/20 07:40	87.3	↑0.1
4/20 07:50	87.5	↑0.2
4/20 08:00	87.9	↑0.4
4/20 08:10	88.3	↑0.4
4/20 08:20	88.8	↑0.5
4/20 08:30	89.3	↑0.5
4/20 08:40	89.9	↑0.6
4/20 08:50	90.5	↑0.6
4/20 09:00	91.1	↑0.6
4/20 09:10	91.7	↑0.6
4/20 09:20	92.4	↑0.7
4/20 09:30	93.0	↑0.6
4/20 09:40	93.6	↑0.6
4/20 09:50	94.2	↑0.6
4/20 10:00	94.7	↑0.5
4/20 10:10	95.3	↑0.6
4/20 10:20	95.7	↑0.4
4/20 10:30	96.2	↑0.5
4/20 10:40	96.5	↑0.3
4/20 10:50	96.9	↑0.4
4/20 11:00	97.1	↑0.2
4/20 11:10	97.4	↑0.3
4/20 11:20	97.5	↑0.1
4/20 11:30	97.6	↑0.1	満潮
4/20 11:40	97.6	0
4/20 11:50	97.5	↓-0.1
4/20 12:00	97.4	↓-0.1
4/20 12:10	97.2	↓-0.2
4/20 12:20	96.8	↓-0.4
4/20 12:30	96.4	↓-0.4
4/20 12:40	95.8	↓-0.6
4/20 12:50	95.1	↓-0.7
4/20 13:00	94.4	↓-0.7
4/20 13:10	93.5	↓-0.9
4/20 13:20	92.5	↓-1.0
4/20 13:30	91.4	↓-1.1
4/20 13:40	90.2	↓-1.2
4/20 13:50	88.9	↓-1.3
4/20 14:00	87.5	↓-1.4
4/20 14:10	86.0	↓-1.5
4/20 14:20	84.5	↓-1.5
4/20 14:30	82.9	↓-1.6
4/20 14:40	81.2	↓-1.7
4/20 14:50	79.6	↓-1.6
4/20 15:00	77.9	↓-1.7
4/20 15:10	76.2	↓-1.7
4/20 15:20	74.4	↓-1.8
4/20 15:30	72.7	↓-1.7
4/20 15:40	71.0	↓-1.7
4/20 15:50	69.4	↓-1.6
4/20 16:00	67.7	↓-1.7
4/20 16:10	66.1	↓-1.6
4/20 16:20	64.6	↓-1.5
4/20 16:30	63.0	↓-1.6
4/20 16:40	61.5	↓-1.5
4/20 16:50	60.1	↓-1.4
4/20 17:00	58.8	↓-1.3
4/20 17:10	57.5	↓-1.3
4/20 17:20	56.3	↓-1.2
4/20 17:30	55.1	↓-1.2
4/20 17:40	54.1	↓-1.0
4/20 17:50	53.2	↓-0.9
4/20 18:00	52.4	↓-0.8
4/20 18:10	51.7	↓-0.7
4/20 18:20	51.2	↓-0.5
4/20 18:30	50.8	↓-0.4
4/20 18:40	50.7	↓-0.1	干潮
4/20 18:50	50.6	↓-0.1
4/20 19:00	50.8	↑0.2
4/20 19:10	51.2	↑0.4
4/20 19:20	51.7	↑0.5
4/20 19:30	52.4	↑0.7
4/20 19:40	53.4	↑1.0
4/20 19:50	54.5	↑1.1
4/20 20:00	55.8	↑1.3
4/20 20:10	57.2	↑1.4
4/20 20:20	58.9	↑1.7
4/20 20:30	60.6	↑1.7
4/20 20:40	62.5	↑1.9
4/20 20:50	64.5	↑2.0
4/20 21:00	66.6	↑2.1
4/20 21:10	68.8	↑2.2
4/20 21:20	71.1	↑2.3
4/20 21:30	73.4	↑2.3
4/20 21:40	75.8	↑2.4
4/20 21:50	78.2	↑2.4
4/20 22:00	80.6	↑2.4
4/20 22:10	83.0	↑2.4
4/20 22:20	85.5	↑2.5	最大潮位差
4/20 22:30	87.9	↑2.4
4/20 22:40	90.3	↑2.4
4/20 22:50	92.7	↑2.4
4/20 23:00	95.1	↑2.4
4/20 23:10	97.4	↑2.3
4/20 23:20	99.6	↑2.2
4/20 23:30	101.9	↑2.3
4/20 23:40	104.0	↑2.1
4/20 23:50	106.1	↑2.1