20 (木)	05:20	11:38	18:06	23:57
	116cm	14cm	124cm	43cm
大潮 出 05:07 入 18:10 出 05:03 入 18:16 潮干狩り ◎ 10:01～13:14

鳥島（東京）2023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	37.5	↑0.8
4/20 00:10	38.6	↑1.1
4/20 00:20	40.0	↑1.4
4/20 00:30	41.7	↑1.7
4/20 00:40	43.6	↑1.9
4/20 00:50	45.8	↑2.2
4/20 01:00	48.3	↑2.5
4/20 01:10	50.9	↑2.6
4/20 01:20	53.8	↑2.9
4/20 01:30	56.8	↑3.0
4/20 01:40	60.0	↑3.2
4/20 01:50	63.3	↑3.3
4/20 02:00	66.7	↑3.4
4/20 02:10	70.2	↑3.5
4/20 02:20	73.7	↑3.5
4/20 02:30	77.3	↑3.6
4/20 02:40	80.8	↑3.5
4/20 02:50	84.3	↑3.5
4/20 03:00	87.7	↑3.4
4/20 03:10	91.1	↑3.4
4/20 03:20	94.3	↑3.2
4/20 03:30	97.3	↑3.0
4/20 03:40	100.2	↑2.9
4/20 03:50	102.9	↑2.7
4/20 04:00	105.4	↑2.5
4/20 04:10	107.6	↑2.2
4/20 04:20	109.6	↑2.0
4/20 04:30	111.3	↑1.7
4/20 04:40	112.8	↑1.5
4/20 04:50	113.9	↑1.1
4/20 05:00	114.7	↑0.8
4/20 05:10	115.1	↑0.4	満潮
4/20 05:20	115.3	↑0.2	満潮
4/20 05:30	115.1	↓-0.2
4/20 05:40	114.6	↓-0.5
4/20 05:50	113.7	↓-0.9
4/20 06:00	112.5	↓-1.2
4/20 06:10	111.0	↓-1.5
4/20 06:20	109.2	↓-1.8
4/20 06:30	107.1	↓-2.1
4/20 06:40	104.6	↓-2.5
4/20 06:50	101.9	↓-2.7
4/20 07:00	99.0	↓-2.9
4/20 07:10	95.8	↓-3.2
4/20 07:20	92.4	↓-3.4
4/20 07:30	88.7	↓-3.7
4/20 07:40	85.0	↓-3.7
4/20 07:50	81.0	↓-4.0
4/20 08:00	77.0	↓-4.0
4/20 08:10	72.8	↓-4.2
4/20 08:20	68.6	↓-4.2
4/20 08:30	64.4	↓-4.2
4/20 08:40	60.1	↓-4.3
4/20 08:50	55.9	↓-4.2
4/20 09:00	51.8	↓-4.1
4/20 09:10	47.7	↓-4.1
4/20 09:20	43.7	↓-4.0
4/20 09:30	39.9	↓-3.8
4/20 09:40	36.3	↓-3.6
4/20 09:50	32.8	↓-3.5
4/20 10:00	29.6	↓-3.2
4/20 10:10	26.6	↓-3.0
4/20 10:20	23.8	↓-2.8
4/20 10:30	21.4	↓-2.4
4/20 10:40	19.2	↓-2.2
4/20 10:50	17.4	↓-1.8
4/20 11:00	15.9	↓-1.5
4/20 11:10	14.8	↓-1.1
4/20 11:20	14.0	↓-0.8
4/20 11:30	13.5	↓-0.5	干潮
4/20 11:40	13.5	0
4/20 11:50	13.8	↑0.3
4/20 12:00	14.4	↑0.6
4/20 12:10	15.4	↑1.0
4/20 12:20	16.8	↑1.4
4/20 12:30	18.5	↑1.7
4/20 12:40	20.5	↑2.0
4/20 12:50	22.9	↑2.4
4/20 13:00	25.6	↑2.7
4/20 13:10	28.5	↑2.9
4/20 13:20	31.7	↑3.2
4/20 13:30	35.2	↑3.5
4/20 13:40	38.9	↑3.7
4/20 13:50	42.8	↑3.9
4/20 14:00	46.8	↑4.0
4/20 14:10	51.0	↑4.2
4/20 14:20	55.3	↑4.3
4/20 14:30	59.7	↑4.4
4/20 14:40	64.2	↑4.5	最大潮位差
4/20 14:50	68.7	↑4.5	最大潮位差
4/20 15:00	73.2	↑4.5	最大潮位差
4/20 15:10	77.6	↑4.4
4/20 15:20	82.0	↑4.4
4/20 15:30	86.3	↑4.3
4/20 15:40	90.5	↑4.2
4/20 15:50	94.5	↑4.0
4/20 16:00	98.3	↑3.8
4/20 16:10	102.0	↑3.7
4/20 16:20	105.4	↑3.4
4/20 16:30	108.6	↑3.2
4/20 16:40	111.5	↑2.9
4/20 16:50	114.1	↑2.6
4/20 17:00	116.5	↑2.4
4/20 17:10	118.5	↑2.0
4/20 17:20	120.2	↑1.7
4/20 17:30	121.6	↑1.4
4/20 17:40	122.6	↑1.0
4/20 17:50	123.3	↑0.7
4/20 18:00	123.6	↑0.3	満潮
4/20 18:10	123.6	0
4/20 18:20	123.3	↓-0.3
4/20 18:30	122.6	↓-0.7
4/20 18:40	121.6	↓-1.0
4/20 18:50	120.2	↓-1.4
4/20 19:00	118.6	↓-1.6
4/20 19:10	116.7	↓-1.9
4/20 19:20	114.5	↓-2.2
4/20 19:30	112.1	↓-2.4
4/20 19:40	109.4	↓-2.7
4/20 19:50	106.5	↓-2.9
4/20 20:00	103.4	↓-3.1
4/20 20:10	100.2	↓-3.2
4/20 20:20	96.8	↓-3.4
4/20 20:30	93.3	↓-3.5
4/20 20:40	89.8	↓-3.5
4/20 20:50	86.2	↓-3.6
4/20 21:00	82.5	↓-3.7
4/20 21:10	78.9	↓-3.6
4/20 21:20	75.3	↓-3.6
4/20 21:30	71.8	↓-3.5
4/20 21:40	68.4	↓-3.4
4/20 21:50	65.1	↓-3.3
4/20 22:00	61.9	↓-3.2
4/20 22:10	58.9	↓-3.0
4/20 22:20	56.1	↓-2.8
4/20 22:30	53.5	↓-2.6
4/20 22:40	51.1	↓-2.4
4/20 22:50	49.0	↓-2.1
4/20 23:00	47.1	↓-1.9
4/20 23:10	45.6	↓-1.5
4/20 23:20	44.3	↓-1.3
4/20 23:30	43.3	↓-1.0
4/20 23:40	42.7	↓-0.6
4/20 23:50	42.3	↓-0.4	干潮