20 (水)	04:25	10:17	16:04	22:25
	106cm	53cm	106cm	31cm
中潮 出 05:07 入 18:10 出 03:37 入 15:17

鳥島（東京）2039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	50.5	↑2.5
4/20 00:10	53.1	↑2.6
4/20 00:20	55.8	↑2.7
4/20 00:30	58.5	↑2.7
4/20 00:40	61.4	↑2.9
4/20 00:50	64.2	↑2.8
4/20 01:00	67.1	↑2.9
4/20 01:10	70.0	↑2.9
4/20 01:20	72.9	↑2.9
4/20 01:30	75.8	↑2.9
4/20 01:40	78.6	↑2.8
4/20 01:50	81.4	↑2.8
4/20 02:00	84.1	↑2.7
4/20 02:10	86.7	↑2.6
4/20 02:20	89.1	↑2.4
4/20 02:30	91.5	↑2.4
4/20 02:40	93.7	↑2.2
4/20 02:50	95.7	↑2.0
4/20 03:00	97.6	↑1.9
4/20 03:10	99.2	↑1.6
4/20 03:20	100.7	↑1.5
4/20 03:30	102.0	↑1.3
4/20 03:40	103.1	↑1.1
4/20 03:50	103.9	↑0.8
4/20 04:00	104.6	↑0.7
4/20 04:10	105.0	↑0.4
4/20 04:20	105.2	↑0.2	満潮
4/20 04:30	105.2	0
4/20 04:40	105.0	↓-0.2
4/20 04:50	104.5	↓-0.5
4/20 05:00	103.8	↓-0.7
4/20 05:10	103.0	↓-0.8
4/20 05:20	101.9	↓-1.1
4/20 05:30	100.6	↓-1.3
4/20 05:40	99.2	↓-1.4
4/20 05:50	97.6	↓-1.6
4/20 06:00	95.9	↓-1.7
4/20 06:10	94.0	↓-1.9
4/20 06:20	92.0	↓-2.0
4/20 06:30	89.9	↓-2.1
4/20 06:40	87.7	↓-2.2
4/20 06:50	85.5	↓-2.2
4/20 07:00	83.1	↓-2.4
4/20 07:10	80.8	↓-2.3
4/20 07:20	78.4	↓-2.4
4/20 07:30	76.1	↓-2.3
4/20 07:40	73.7	↓-2.4
4/20 07:50	71.4	↓-2.3
4/20 08:00	69.2	↓-2.2
4/20 08:10	67.0	↓-2.2
4/20 08:20	64.9	↓-2.1
4/20 08:30	63.0	↓-1.9
4/20 08:40	61.1	↓-1.9
4/20 08:50	59.4	↓-1.7
4/20 09:00	57.9	↓-1.5
4/20 09:10	56.5	↓-1.4
4/20 09:20	55.3	↓-1.2
4/20 09:30	54.3	↓-1.0
4/20 09:40	53.4	↓-0.9
4/20 09:50	52.8	↓-0.6
4/20 10:00	52.4	↓-0.4
4/20 10:10	52.1	↓-0.3	干潮
4/20 10:20	52.1	0
4/20 10:30	52.3	↑0.2
4/20 10:40	52.7	↑0.4
4/20 10:50	53.3	↑0.6
4/20 11:00	54.2	↑0.9
4/20 11:10	55.2	↑1.0
4/20 11:20	56.4	↑1.2
4/20 11:30	57.7	↑1.3
4/20 11:40	59.3	↑1.6
4/20 11:50	61.0	↑1.7
4/20 12:00	62.8	↑1.8
4/20 12:10	64.8	↑2.0
4/20 12:20	66.9	↑2.1
4/20 12:30	69.1	↑2.2
4/20 12:40	71.3	↑2.2
4/20 12:50	73.7	↑2.4
4/20 13:00	76.0	↑2.3
4/20 13:10	78.4	↑2.4
4/20 13:20	80.8	↑2.4
4/20 13:30	83.2	↑2.4
4/20 13:40	85.6	↑2.4
4/20 13:50	87.9	↑2.3
4/20 14:00	90.1	↑2.2
4/20 14:10	92.2	↑2.1
4/20 14:20	94.3	↑2.1
4/20 14:30	96.2	↑1.9
4/20 14:40	97.9	↑1.7
4/20 14:50	99.6	↑1.7
4/20 15:00	101.0	↑1.4
4/20 15:10	102.2	↑1.2
4/20 15:20	103.3	↑1.1
4/20 15:30	104.2	↑0.9
4/20 15:40	104.8	↑0.6
4/20 15:50	105.2	↑0.4
4/20 16:00	105.4	↑0.2	満潮
4/20 16:10	105.3	↓-0.1
4/20 16:20	105.0	↓-0.3
4/20 16:30	104.5	↓-0.5
4/20 16:40	103.8	↓-0.7
4/20 16:50	102.8	↓-1.0
4/20 17:00	101.6	↓-1.2
4/20 17:10	100.1	↓-1.5
4/20 17:20	98.5	↓-1.6
4/20 17:30	96.6	↓-1.9
4/20 17:40	94.6	↓-2.0
4/20 17:50	92.3	↓-2.3
4/20 18:00	89.9	↓-2.4
4/20 18:10	87.4	↓-2.5
4/20 18:20	84.7	↓-2.7
4/20 18:30	81.9	↓-2.8
4/20 18:40	79.0	↓-2.9
4/20 18:50	76.0	↓-3.0
4/20 19:00	73.0	↓-3.0
4/20 19:10	69.9	↓-3.1	最大潮位差
4/20 19:20	66.8	↓-3.1	最大潮位差
4/20 19:30	63.7	↓-3.1	最大潮位差
4/20 19:40	60.6	↓-3.1	最大潮位差
4/20 19:50	57.6	↓-3.0
4/20 20:00	54.7	↓-2.9
4/20 20:10	51.8	↓-2.9
4/20 20:20	49.0	↓-2.8
4/20 20:30	46.4	↓-2.6
4/20 20:40	43.9	↓-2.5
4/20 20:50	41.6	↓-2.3
4/20 21:00	39.5	↓-2.1
4/20 21:10	37.5	↓-2.0
4/20 21:20	35.8	↓-1.7
4/20 21:30	34.3	↓-1.5
4/20 21:40	33.0	↓-1.3
4/20 21:50	32.0	↓-1.0
4/20 22:00	31.2	↓-0.8
4/20 22:10	30.7	↓-0.5
4/20 22:20	30.5	↓-0.2	干潮
4/20 22:30	30.5	0
4/20 22:40	30.8	↑0.3
4/20 22:50	31.3	↑0.5
4/20 23:00	32.1	↑0.8
4/20 23:10	33.2	↑1.1
4/20 23:20	34.5	↑1.3
4/20 23:30	36.1	↑1.6
4/20 23:40	37.9	↑1.8
4/20 23:50	39.9	↑2.0