20 (水)	07:56	02:15	22:21	15:13
	110cm	70cm	91cm	25cm
中潮 出 05:07 入 18:10 出 22:59 入 08:57 潮干狩り ○ 14:05～16:21

鳥島（東京）2033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	80.9	↓-1.5
4/20 00:10	79.4	↓-1.5
4/20 00:20	78.0	↓-1.4
4/20 00:30	76.7	↓-1.3
4/20 00:40	75.4	↓-1.3
4/20 00:50	74.2	↓-1.2
4/20 01:00	73.1	↓-1.1
4/20 01:10	72.1	↓-1.0
4/20 01:20	71.3	↓-0.8
4/20 01:30	70.5	↓-0.8
4/20 01:40	69.9	↓-0.6
4/20 01:50	69.5	↓-0.4
4/20 02:00	69.2	↓-0.3
4/20 02:10	69.0	↓-0.2	干潮
4/20 02:20	69.0	0
4/20 02:30	69.2	↑0.2
4/20 02:40	69.5	↑0.3
4/20 02:50	70.0	↑0.5
4/20 03:00	70.7	↑0.7
4/20 03:10	71.4	↑0.7
4/20 03:20	72.4	↑1.0
4/20 03:30	73.4	↑1.0
4/20 03:40	74.6	↑1.2
4/20 03:50	76.0	↑1.4
4/20 04:00	77.4	↑1.4
4/20 04:10	78.9	↑1.5
4/20 04:20	80.6	↑1.7
4/20 04:30	82.2	↑1.6
4/20 04:40	84.0	↑1.8
4/20 04:50	85.8	↑1.8
4/20 05:00	87.6	↑1.8
4/20 05:10	89.5	↑1.9
4/20 05:20	91.4	↑1.9
4/20 05:30	93.2	↑1.8
4/20 05:40	95.0	↑1.8
4/20 05:50	96.8	↑1.8
4/20 06:00	98.5	↑1.7
4/20 06:10	100.1	↑1.6
4/20 06:20	101.7	↑1.6
4/20 06:30	103.1	↑1.4
4/20 06:40	104.5	↑1.4
4/20 06:50	105.7	↑1.2
4/20 07:00	106.7	↑1.0
4/20 07:10	107.6	↑0.9
4/20 07:20	108.3	↑0.7
4/20 07:30	108.9	↑0.6
4/20 07:40	109.3	↑0.4
4/20 07:50	109.5	↑0.2	満潮
4/20 08:00	109.5	0
4/20 08:10	109.2	↓-0.3
4/20 08:20	108.8	↓-0.4
4/20 08:30	108.2	↓-0.6
4/20 08:40	107.4	↓-0.8
4/20 08:50	106.4	↓-1.0
4/20 09:00	105.2	↓-1.2
4/20 09:10	103.8	↓-1.4
4/20 09:20	102.2	↓-1.6
4/20 09:30	100.4	↓-1.8
4/20 09:40	98.5	↓-1.9
4/20 09:50	96.4	↓-2.1
4/20 10:00	94.1	↓-2.3
4/20 10:10	91.7	↓-2.4
4/20 10:20	89.1	↓-2.6
4/20 10:30	86.4	↓-2.7
4/20 10:40	83.6	↓-2.8
4/20 10:50	80.8	↓-2.8
4/20 11:00	77.8	↓-3.0
4/20 11:10	74.8	↓-3.0
4/20 11:20	71.8	↓-3.0
4/20 11:30	68.7	↓-3.1	最大潮位差
4/20 11:40	65.6	↓-3.1	最大潮位差
4/20 11:50	62.5	↓-3.1	最大潮位差
4/20 12:00	59.4	↓-3.1	最大潮位差
4/20 12:10	56.4	↓-3.0
4/20 12:20	53.5	↓-2.9
4/20 12:30	50.6	↓-2.9
4/20 12:40	47.8	↓-2.8
4/20 12:50	45.1	↓-2.7
4/20 13:00	42.5	↓-2.6
4/20 13:10	40.0	↓-2.5
4/20 13:20	37.7	↓-2.3
4/20 13:30	35.6	↓-2.1
4/20 13:40	33.6	↓-2.0
4/20 13:50	31.8	↓-1.8
4/20 14:00	30.2	↓-1.6
4/20 14:10	28.8	↓-1.4
4/20 14:20	27.6	↓-1.2
4/20 14:30	26.6	↓-1.0
4/20 14:40	25.8	↓-0.8
4/20 14:50	25.2	↓-0.6
4/20 15:00	24.9	↓-0.3
4/20 15:10	24.7	↓-0.2	干潮
4/20 15:20	24.8	↑0.1
4/20 15:30	25.1	↑0.3
4/20 15:40	25.5	↑0.4
4/20 15:50	26.2	↑0.7
4/20 16:00	27.1	↑0.9
4/20 16:10	28.2	↑1.1
4/20 16:20	29.4	↑1.2
4/20 16:30	30.8	↑1.4
4/20 16:40	32.4	↑1.6
4/20 16:50	34.1	↑1.7
4/20 17:00	36.0	↑1.9
4/20 17:10	38.0	↑2.0
4/20 17:20	40.1	↑2.1
4/20 17:30	42.3	↑2.2
4/20 17:40	44.6	↑2.3
4/20 17:50	46.9	↑2.3
4/20 18:00	49.3	↑2.4
4/20 18:10	51.8	↑2.5
4/20 18:20	54.2	↑2.4
4/20 18:30	56.7	↑2.5
4/20 18:40	59.2	↑2.5
4/20 18:50	61.6	↑2.4
4/20 19:00	64.0	↑2.4
4/20 19:10	66.4	↑2.4
4/20 19:20	68.7	↑2.3
4/20 19:30	71.0	↑2.3
4/20 19:40	73.1	↑2.1
4/20 19:50	75.2	↑2.1
4/20 20:00	77.1	↑1.9
4/20 20:10	79.0	↑1.9
4/20 20:20	80.7	↑1.7
4/20 20:30	82.3	↑1.6
4/20 20:40	83.8	↑1.5
4/20 20:50	85.1	↑1.3
4/20 21:00	86.3	↑1.2
4/20 21:10	87.4	↑1.1
4/20 21:20	88.3	↑0.9
4/20 21:30	89.0	↑0.7
4/20 21:40	89.7	↑0.7
4/20 21:50	90.1	↑0.4
4/20 22:00	90.5	↑0.4
4/20 22:10	90.7	↑0.2
4/20 22:20	90.7	0	満潮
4/20 22:30	90.7	0
4/20 22:40	90.5	↓-0.2
4/20 22:50	90.2	↓-0.3
4/20 23:00	89.8	↓-0.4
4/20 23:10	89.3	↓-0.5
4/20 23:20	88.7	↓-0.6
4/20 23:30	88.1	↓-0.6
4/20 23:40	87.4	↓-0.7
4/20 23:50	86.6	↓-0.8