20 (土)	05:45	12:05	18:32	-
	118cm	13cm	124cm	-
大潮 出 05:07 入 18:10 出 19:01 入 05:44 潮干狩り ◎ 10:24～13:44

鳥島（東京）2019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	35.6	↑0.1
4/20 00:10	36.0	↑0.4
4/20 00:20	36.6	↑0.6
4/20 00:30	37.7	↑1.1
4/20 00:40	39.0	↑1.3
4/20 00:50	40.6	↑1.6
4/20 01:00	42.5	↑1.9
4/20 01:10	44.7	↑2.2
4/20 01:20	47.1	↑2.4
4/20 01:30	49.8	↑2.7
4/20 01:40	52.7	↑2.9
4/20 01:50	55.7	↑3.0
4/20 02:00	59.0	↑3.3
4/20 02:10	62.3	↑3.3
4/20 02:20	65.8	↑3.5
4/20 02:30	69.4	↑3.6
4/20 02:40	73.0	↑3.6
4/20 02:50	76.7	↑3.7
4/20 03:00	80.4	↑3.7
4/20 03:10	84.0	↑3.6
4/20 03:20	87.6	↑3.6
4/20 03:30	91.1	↑3.5
4/20 03:40	94.5	↑3.4
4/20 03:50	97.7	↑3.2
4/20 04:00	100.8	↑3.1
4/20 04:10	103.7	↑2.9
4/20 04:20	106.4	↑2.7
4/20 04:30	108.8	↑2.4
4/20 04:40	111.0	↑2.2
4/20 04:50	112.9	↑1.9
4/20 05:00	114.5	↑1.6
4/20 05:10	115.8	↑1.3
4/20 05:20	116.8	↑1.0
4/20 05:30	117.5	↑0.7
4/20 05:40	117.8	↑0.3	満潮
4/20 05:50	117.7	↓-0.1
4/20 06:00	117.4	↓-0.3
4/20 06:10	116.7	↓-0.7
4/20 06:20	115.6	↓-1.1
4/20 06:30	114.2	↓-1.4
4/20 06:40	112.5	↓-1.7
4/20 06:50	110.4	↓-2.1
4/20 07:00	108.1	↓-2.3
4/20 07:10	105.4	↓-2.7
4/20 07:20	102.5	↓-2.9
4/20 07:30	99.3	↓-3.2
4/20 07:40	95.9	↓-3.4
4/20 07:50	92.2	↓-3.7
4/20 08:00	88.4	↓-3.8
4/20 08:10	84.4	↓-4.0
4/20 08:20	80.3	↓-4.1
4/20 08:30	76.0	↓-4.3
4/20 08:40	71.7	↓-4.3
4/20 08:50	67.4	↓-4.3
4/20 09:00	63.0	↓-4.4
4/20 09:10	58.6	↓-4.4
4/20 09:20	54.3	↓-4.3
4/20 09:30	50.0	↓-4.3
4/20 09:40	45.8	↓-4.2
4/20 09:50	41.8	↓-4.0
4/20 10:00	37.9	↓-3.9
4/20 10:10	34.2	↓-3.7
4/20 10:20	30.7	↓-3.5
4/20 10:30	27.5	↓-3.2
4/20 10:40	24.5	↓-3.0
4/20 10:50	21.8	↓-2.7
4/20 11:00	19.4	↓-2.4
4/20 11:10	17.3	↓-2.1
4/20 11:20	15.5	↓-1.8
4/20 11:30	14.1	↓-1.4
4/20 11:40	13.1	↓-1.0
4/20 11:50	12.4	↓-0.7
4/20 12:00	12.0	↓-0.4	干潮
4/20 12:10	12.1	↑0.1
4/20 12:20	12.5	↑0.4
4/20 12:30	13.3	↑0.8
4/20 12:40	14.4	↑1.1
4/20 12:50	15.9	↑1.5
4/20 13:00	17.8	↑1.9
4/20 13:10	20.0	↑2.2
4/20 13:20	22.5	↑2.5
4/20 13:30	25.3	↑2.8
4/20 13:40	28.4	↑3.1
4/20 13:50	31.7	↑3.3
4/20 14:00	35.3	↑3.6
4/20 14:10	39.1	↑3.8
4/20 14:20	43.1	↑4.0
4/20 14:30	47.3	↑4.2
4/20 14:40	51.6	↑4.3
4/20 14:50	56.0	↑4.4
4/20 15:00	60.5	↑4.5	最大潮位差
4/20 15:10	65.0	↑4.5	最大潮位差
4/20 15:20	69.5	↑4.5	最大潮位差
4/20 15:30	74.0	↑4.5	最大潮位差
4/20 15:40	78.5	↑4.5	最大潮位差
4/20 15:50	82.9	↑4.4
4/20 16:00	87.2	↑4.3
4/20 16:10	91.4	↑4.2
4/20 16:20	95.4	↑4.0
4/20 16:30	99.2	↑3.8
4/20 16:40	102.8	↑3.6
4/20 16:50	106.1	↑3.3
4/20 17:00	109.2	↑3.1
4/20 17:10	112.1	↑2.9
4/20 17:20	114.6	↑2.5
4/20 17:30	116.8	↑2.2
4/20 17:40	118.7	↑1.9
4/20 17:50	120.3	↑1.6
4/20 18:00	121.6	↑1.3
4/20 18:10	122.5	↑0.9
4/20 18:20	123.0	↑0.5
4/20 18:30	123.2	↑0.2	満潮
4/20 18:40	123.0	↓-0.2
4/20 18:50	122.5	↓-0.5
4/20 19:00	121.7	↓-0.8
4/20 19:10	120.5	↓-1.2
4/20 19:20	119.1	↓-1.4
4/20 19:30	117.3	↓-1.8
4/20 19:40	115.2	↓-2.1
4/20 19:50	112.9	↓-2.3
4/20 20:00	110.4	↓-2.5
4/20 20:10	107.6	↓-2.8
4/20 20:20	104.6	↓-3.0
4/20 20:30	101.4	↓-3.2
4/20 20:40	98.1	↓-3.3
4/20 20:50	94.6	↓-3.5
4/20 21:00	91.1	↓-3.5
4/20 21:10	87.5	↓-3.6
4/20 21:20	83.9	↓-3.6
4/20 21:30	80.2	↓-3.7
4/20 21:40	76.6	↓-3.6
4/20 21:50	73.0	↓-3.6
4/20 22:00	69.5	↓-3.5
4/20 22:10	66.1	↓-3.4
4/20 22:20	62.8	↓-3.3
4/20 22:30	59.7	↓-3.1
4/20 22:40	56.8	↓-2.9
4/20 22:50	54.1	↓-2.7
4/20 23:00	51.6	↓-2.5
4/20 23:10	49.3	↓-2.3
4/20 23:20	47.3	↓-2.0
4/20 23:30	45.6	↓-1.7
4/20 23:40	44.1	↓-1.5
4/20 23:50	43.0	↓-1.1