20 (木)	03:35	09:31	15:24	21:41
	99cm	56cm	100cm	41cm
若潮 出 05:06 入 18:10 出 02:21 入 14:08

鳥島（東京）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	66.4	↑2.2
4/20 00:10	68.6	↑2.2
4/20 00:20	70.9	↑2.3
4/20 00:30	73.1	↑2.2
4/20 00:40	75.3	↑2.2
4/20 00:50	77.5	↑2.2
4/20 01:00	79.6	↑2.1
4/20 01:10	81.7	↑2.1
4/20 01:20	83.7	↑2.0
4/20 01:30	85.6	↑1.9
4/20 01:40	87.4	↑1.8
4/20 01:50	89.1	↑1.7
4/20 02:00	90.7	↑1.6
4/20 02:10	92.1	↑1.4
4/20 02:20	93.4	↑1.3
4/20 02:30	94.6	↑1.2
4/20 02:40	95.6	↑1.0
4/20 02:50	96.4	↑0.8
4/20 03:00	97.1	↑0.7
4/20 03:10	97.6	↑0.5
4/20 03:20	97.9	↑0.3
4/20 03:30	98.1	↑0.2	満潮
4/20 03:40	98.1	0
4/20 03:50	97.9	↓-0.2
4/20 04:00	97.5	↓-0.4
4/20 04:10	97.0	↓-0.5
4/20 04:20	96.3	↓-0.7
4/20 04:30	95.5	↓-0.8
4/20 04:40	94.5	↓-1.0
4/20 04:50	93.4	↓-1.1
4/20 05:00	92.2	↓-1.2
4/20 05:10	90.8	↓-1.4
4/20 05:20	89.3	↓-1.5
4/20 05:30	87.7	↓-1.6
4/20 05:40	86.1	↓-1.6
4/20 05:50	84.3	↓-1.8
4/20 06:00	82.5	↓-1.8
4/20 06:10	80.7	↓-1.8
4/20 06:20	78.8	↓-1.9
4/20 06:30	76.9	↓-1.9
4/20 06:40	75.1	↓-1.8
4/20 06:50	73.2	↓-1.9
4/20 07:00	71.3	↓-1.9
4/20 07:10	69.5	↓-1.8
4/20 07:20	67.8	↓-1.7
4/20 07:30	66.1	↓-1.7
4/20 07:40	64.5	↓-1.6
4/20 07:50	63.0	↓-1.5
4/20 08:00	61.6	↓-1.4
4/20 08:10	60.3	↓-1.3
4/20 08:20	59.1	↓-1.2
4/20 08:30	58.1	↓-1.0
4/20 08:40	57.2	↓-0.9
4/20 08:50	56.5	↓-0.7
4/20 09:00	55.9	↓-0.6
4/20 09:10	55.5	↓-0.4
4/20 09:20	55.2	↓-0.3
4/20 09:30	55.1	↓-0.1	干潮
4/20 09:40	55.2	↑0.1
4/20 09:50	55.5	↑0.3
4/20 10:00	55.9	↑0.4
4/20 10:10	56.5	↑0.6
4/20 10:20	57.2	↑0.7
4/20 10:30	58.1	↑0.9
4/20 10:40	59.2	↑1.1
4/20 10:50	60.3	↑1.1
4/20 11:00	61.7	↑1.4
4/20 11:10	63.1	↑1.4
4/20 11:20	64.6	↑1.5
4/20 11:30	66.3	↑1.7
4/20 11:40	68.0	↑1.7
4/20 11:50	69.8	↑1.8
4/20 12:00	71.7	↑1.9
4/20 12:10	73.6	↑1.9
4/20 12:20	75.5	↑1.9
4/20 12:30	77.5	↑2.0
4/20 12:40	79.4	↑1.9
4/20 12:50	81.4	↑2.0
4/20 13:00	83.3	↑1.9
4/20 13:10	85.1	↑1.8
4/20 13:20	86.9	↑1.8
4/20 13:30	88.7	↑1.8
4/20 13:40	90.3	↑1.6
4/20 13:50	91.8	↑1.5
4/20 14:00	93.2	↑1.4
4/20 14:10	94.5	↑1.3
4/20 14:20	95.7	↑1.2
4/20 14:30	96.7	↑1.0
4/20 14:40	97.5	↑0.8
4/20 14:50	98.2	↑0.7
4/20 15:00	98.7	↑0.5
4/20 15:10	99.0	↑0.3
4/20 15:20	99.2	↑0.2	満潮
4/20 15:30	99.1	↓-0.1
4/20 15:40	98.9	↓-0.2
4/20 15:50	98.5	↓-0.4
4/20 16:00	97.8	↓-0.7
4/20 16:10	97.1	↓-0.7
4/20 16:20	96.1	↓-1.0
4/20 16:30	94.9	↓-1.2
4/20 16:40	93.6	↓-1.3
4/20 16:50	92.1	↓-1.5
4/20 17:00	90.5	↓-1.6
4/20 17:10	88.7	↓-1.8
4/20 17:20	86.8	↓-1.9
4/20 17:30	84.8	↓-2.0
4/20 17:40	82.7	↓-2.1
4/20 17:50	80.5	↓-2.2
4/20 18:00	78.2	↓-2.3
4/20 18:10	75.8	↓-2.4	最大潮位差
4/20 18:20	73.4	↓-2.4	最大潮位差
4/20 18:30	71.0	↓-2.4	最大潮位差
4/20 18:40	68.6	↓-2.4	最大潮位差
4/20 18:50	66.2	↓-2.4	最大潮位差
4/20 19:00	63.8	↓-2.4	最大潮位差
4/20 19:10	61.4	↓-2.4	最大潮位差
4/20 19:20	59.1	↓-2.3
4/20 19:30	56.9	↓-2.2
4/20 19:40	54.7	↓-2.2
4/20 19:50	52.7	↓-2.0
4/20 20:00	50.8	↓-1.9
4/20 20:10	49.0	↓-1.8
4/20 20:20	47.4	↓-1.6
4/20 20:30	45.9	↓-1.5
4/20 20:40	44.6	↓-1.3
4/20 20:50	43.5	↓-1.1
4/20 21:00	42.5	↓-1.0
4/20 21:10	41.8	↓-0.7
4/20 21:20	41.3	↓-0.5
4/20 21:30	41.0	↓-0.3
4/20 21:40	40.8	↓-0.2	干潮
4/20 21:50	40.9	↑0.1
4/20 22:00	41.2	↑0.3
4/20 22:10	41.8	↑0.6
4/20 22:20	42.5	↑0.7
4/20 22:30	43.4	↑0.9
4/20 22:40	44.6	↑1.2
4/20 22:50	45.9	↑1.3
4/20 23:00	47.4	↑1.5
4/20 23:10	49.1	↑1.7
4/20 23:20	50.9	↑1.8
4/20 23:30	52.9	↑2.0
4/20 23:40	55.0	↑2.1
4/20 23:50	57.2	↑2.2