20 (土)	03:56	09:47	15:40	21:50
	129cm	70cm	129cm	53cm
中潮 出 05:06 入 18:17 出 14:57 入 03:16

八重根／八丈島（東京）2024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	78.4	↑3.0
4/20 00:10	81.4	↑3.0
4/20 00:20	84.5	↑3.1
4/20 00:30	87.6	↑3.1
4/20 00:40	90.7	↑3.1
4/20 00:50	93.8	↑3.1
4/20 01:00	96.9	↑3.1
4/20 01:10	100.0	↑3.1
4/20 01:20	102.9	↑2.9
4/20 01:30	105.8	↑2.9
4/20 01:40	108.6	↑2.8
4/20 01:50	111.3	↑2.7
4/20 02:00	113.8	↑2.5
4/20 02:10	116.2	↑2.4
4/20 02:20	118.4	↑2.2
4/20 02:30	120.4	↑2.0
4/20 02:40	122.3	↑1.9
4/20 02:50	123.9	↑1.6
4/20 03:00	125.3	↑1.4
4/20 03:10	126.5	↑1.2
4/20 03:20	127.5	↑1.0
4/20 03:30	128.2	↑0.7
4/20 03:40	128.7	↑0.5
4/20 03:50	128.9	↑0.2	満潮
4/20 04:00	128.9	0
4/20 04:10	128.7	↓-0.2
4/20 04:20	128.2	↓-0.5
4/20 04:30	127.5	↓-0.7
4/20 04:40	126.5	↓-1.0
4/20 04:50	125.3	↓-1.2
4/20 05:00	124.0	↓-1.3
4/20 05:10	122.4	↓-1.6
4/20 05:20	120.6	↓-1.8
4/20 05:30	118.6	↓-2.0
4/20 05:40	116.5	↓-2.1
4/20 05:50	114.3	↓-2.2
4/20 06:00	111.9	↓-2.4
4/20 06:10	109.5	↓-2.4
4/20 06:20	106.9	↓-2.6
4/20 06:30	104.3	↓-2.6
4/20 06:40	101.7	↓-2.6
4/20 06:50	99.1	↓-2.6
4/20 07:00	96.4	↓-2.7
4/20 07:10	93.8	↓-2.6
4/20 07:20	91.2	↓-2.6
4/20 07:30	88.7	↓-2.5
4/20 07:40	86.3	↓-2.4
4/20 07:50	84.0	↓-2.3
4/20 08:00	81.8	↓-2.2
4/20 08:10	79.8	↓-2.0
4/20 08:20	77.9	↓-1.9
4/20 08:30	76.2	↓-1.7
4/20 08:40	74.7	↓-1.5
4/20 08:50	73.3	↓-1.4
4/20 09:00	72.2	↓-1.1
4/20 09:10	71.3	↓-0.9
4/20 09:20	70.6	↓-0.7
4/20 09:30	70.1	↓-0.5
4/20 09:40	69.9	↓-0.2	干潮
4/20 09:50	69.9	0
4/20 10:00	70.1	↑0.2
4/20 10:10	70.5	↑0.4
4/20 10:20	71.2	↑0.7
4/20 10:30	72.0	↑0.8
4/20 10:40	73.1	↑1.1
4/20 10:50	74.4	↑1.3
4/20 11:00	75.8	↑1.4
4/20 11:10	77.5	↑1.7
4/20 11:20	79.3	↑1.8
4/20 11:30	81.3	↑2.0
4/20 11:40	83.4	↑2.1
4/20 11:50	85.6	↑2.2
4/20 12:00	88.0	↑2.4
4/20 12:10	90.4	↑2.4
4/20 12:20	92.9	↑2.5
4/20 12:30	95.5	↑2.6
4/20 12:40	98.1	↑2.6
4/20 12:50	100.7	↑2.6
4/20 13:00	103.3	↑2.6
4/20 13:10	105.8	↑2.5
4/20 13:20	108.3	↑2.5
4/20 13:30	110.8	↑2.5
4/20 13:40	113.1	↑2.3
4/20 13:50	115.4	↑2.3
4/20 14:00	117.5	↑2.1
4/20 14:10	119.5	↑2.0
4/20 14:20	121.4	↑1.9
4/20 14:30	123.0	↑1.6
4/20 14:40	124.5	↑1.5
4/20 14:50	125.7	↑1.2
4/20 15:00	126.8	↑1.1
4/20 15:10	127.6	↑0.8
4/20 15:20	128.2	↑0.6
4/20 15:30	128.5	↑0.3	満潮
4/20 15:40	128.6	↑0.1	満潮
4/20 15:50	128.5	↓-0.1
4/20 16:00	128.1	↓-0.4
4/20 16:10	127.4	↓-0.7
4/20 16:20	126.5	↓-0.9
4/20 16:30	125.3	↓-1.2
4/20 16:40	123.9	↓-1.4
4/20 16:50	122.2	↓-1.7
4/20 17:00	120.4	↓-1.8
4/20 17:10	118.3	↓-2.1
4/20 17:20	116.0	↓-2.3
4/20 17:30	113.5	↓-2.5
4/20 17:40	110.8	↓-2.7
4/20 17:50	108.0	↓-2.8
4/20 18:00	105.0	↓-3.0
4/20 18:10	102.0	↓-3.0
4/20 18:20	98.8	↓-3.2
4/20 18:30	95.6	↓-3.2
4/20 18:40	92.4	↓-3.2
4/20 18:50	89.1	↓-3.3	最大潮位差
4/20 19:00	85.8	↓-3.3	最大潮位差
4/20 19:10	82.6	↓-3.2
4/20 19:20	79.4	↓-3.2
4/20 19:30	76.3	↓-3.1
4/20 19:40	73.3	↓-3.0
4/20 19:50	70.5	↓-2.8
4/20 20:00	67.7	↓-2.8
4/20 20:10	65.2	↓-2.5
4/20 20:20	62.8	↓-2.4
4/20 20:30	60.6	↓-2.2
4/20 20:40	58.7	↓-1.9
4/20 20:50	57.0	↓-1.7
4/20 21:00	55.5	↓-1.5
4/20 21:10	54.3	↓-1.2
4/20 21:20	53.3	↓-1.0
4/20 21:30	52.7	↓-0.6
4/20 21:40	52.3	↓-0.4	干潮
4/20 21:50	52.2	↓-0.1	干潮
4/20 22:00	52.3	↑0.1
4/20 22:10	52.8	↑0.5
4/20 22:20	53.5	↑0.7
4/20 22:30	54.5	↑1.0
4/20 22:40	55.8	↑1.3
4/20 22:50	57.3	↑1.5
4/20 23:00	59.1	↑1.8
4/20 23:10	61.1	↑2.0
4/20 23:20	63.3	↑2.2
4/20 23:30	65.8	↑2.5
4/20 23:40	68.4	↑2.6
4/20 23:50	71.3	↑2.9