20 (日)	07:31	00:52	19:16	13:29
	160cm	25cm	156cm	57cm
中潮 出 07:03 入 18:11 出 05:01 入 15:04

島山（長崎）2039年02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
2/20 00:00	29.4	↓-2.2
2/20 00:10	27.7	↓-1.7
2/20 00:20	26.2	↓-1.5
2/20 00:30	25.2	↓-1.0
2/20 00:40	24.6	↓-0.6
2/20 00:50	24.4	↓-0.2	干潮
2/20 01:00	24.5	↑0.1
2/20 01:10	25.1	↑0.6
2/20 01:20	26.1	↑1.0
2/20 01:30	27.5	↑1.4
2/20 01:40	29.3	↑1.8
2/20 01:50	31.5	↑2.2
2/20 02:00	34.1	↑2.6
2/20 02:10	37.0	↑2.9
2/20 02:20	40.3	↑3.3
2/20 02:30	43.9	↑3.6
2/20 02:40	47.8	↑3.9
2/20 02:50	51.9	↑4.1
2/20 03:00	56.4	↑4.5
2/20 03:10	61.0	↑4.6
2/20 03:20	65.9	↑4.9
2/20 03:30	70.9	↑5.0
2/20 03:40	76.0	↑5.1
2/20 03:50	81.3	↑5.3
2/20 04:00	86.6	↑5.3
2/20 04:10	92.0	↑5.4
2/20 04:20	97.3	↑5.3
2/20 04:30	102.6	↑5.3
2/20 04:40	107.9	↑5.3
2/20 04:50	113.1	↑5.2
2/20 05:00	118.1	↑5.0
2/20 05:10	123.0	↑4.9
2/20 05:20	127.7	↑4.7
2/20 05:30	132.1	↑4.4
2/20 05:40	136.3	↑4.2
2/20 05:50	140.2	↑3.9
2/20 06:00	143.8	↑3.6
2/20 06:10	147.1	↑3.3
2/20 06:20	150.1	↑3.0
2/20 06:30	152.7	↑2.6
2/20 06:40	154.9	↑2.2
2/20 06:50	156.7	↑1.8
2/20 07:00	158.1	↑1.4
2/20 07:10	159.2	↑1.1
2/20 07:20	159.8	↑0.6
2/20 07:30	160.0	↑0.2	満潮
2/20 07:40	159.8	↓-0.2
2/20 07:50	159.1	↓-0.7
2/20 08:00	158.1	↓-1.0
2/20 08:10	156.7	↓-1.4
2/20 08:20	154.9	↓-1.8
2/20 08:30	152.8	↓-2.1
2/20 08:40	150.3	↓-2.5
2/20 08:50	147.5	↓-2.8
2/20 09:00	144.4	↓-3.1
2/20 09:10	141.0	↓-3.4
2/20 09:20	137.4	↓-3.6
2/20 09:30	133.5	↓-3.9
2/20 09:40	129.5	↓-4.0
2/20 09:50	125.3	↓-4.2
2/20 10:00	121.0	↓-4.3
2/20 10:10	116.5	↓-4.5
2/20 10:20	112.1	↓-4.4
2/20 10:30	107.5	↓-4.6
2/20 10:40	103.0	↓-4.5
2/20 10:50	98.6	↓-4.4
2/20 11:00	94.2	↓-4.4
2/20 11:10	89.9	↓-4.3
2/20 11:20	85.8	↓-4.1
2/20 11:30	81.8	↓-4.0
2/20 11:40	78.1	↓-3.7
2/20 11:50	74.6	↓-3.5
2/20 12:00	71.3	↓-3.3
2/20 12:10	68.3	↓-3.0
2/20 12:20	65.6	↓-2.7
2/20 12:30	63.3	↓-2.3
2/20 12:40	61.3	↓-2.0
2/20 12:50	59.6	↓-1.7
2/20 13:00	58.3	↓-1.3
2/20 13:10	57.4	↓-0.9
2/20 13:20	56.9	↓-0.5	干潮
2/20 13:30	56.8	↓-0.1
2/20 13:40	57.0	↑0.2
2/20 13:50	57.7	↑0.7
2/20 14:00	58.7	↑1.0
2/20 14:10	60.1	↑1.4
2/20 14:20	61.9	↑1.8
2/20 14:30	64.1	↑2.2
2/20 14:40	66.5	↑2.4
2/20 14:50	69.3	↑2.8
2/20 15:00	72.4	↑3.1
2/20 15:10	75.8	↑3.4
2/20 15:20	79.4	↑3.6
2/20 15:30	83.2	↑3.8
2/20 15:40	87.2	↑4.0
2/20 15:50	91.4	↑4.2
2/20 16:00	95.6	↑4.2
2/20 16:10	100.0	↑4.4
2/20 16:20	104.4	↑4.4
2/20 16:30	108.9	↑4.5
2/20 16:40	113.3	↑4.4
2/20 16:50	117.7	↑4.4
2/20 17:00	122.0	↑4.3
2/20 17:10	126.1	↑4.1
2/20 17:20	130.2	↑4.1
2/20 17:30	134.0	↑3.8
2/20 17:40	137.6	↑3.6
2/20 17:50	140.9	↑3.3
2/20 18:00	144.0	↑3.1
2/20 18:10	146.7	↑2.7
2/20 18:20	149.1	↑2.4
2/20 18:30	151.1	↑2.0
2/20 18:40	152.8	↑1.7
2/20 18:50	154.1	↑1.3
2/20 19:00	154.9	↑0.8
2/20 19:10	155.3	↑0.4	満潮
2/20 19:20	155.3	0
2/20 19:30	154.9	↓-0.4
2/20 19:40	154.0	↓-0.9
2/20 19:50	152.7	↓-1.3
2/20 20:00	150.9	↓-1.8
2/20 20:10	148.7	↓-2.2
2/20 20:20	146.1	↓-2.6
2/20 20:30	143.0	↓-3.1
2/20 20:40	139.6	↓-3.4
2/20 20:50	135.8	↓-3.8
2/20 21:00	131.7	↓-4.1
2/20 21:10	127.2	↓-4.5
2/20 21:20	122.4	↓-4.8
2/20 21:30	117.4	↓-5.0
2/20 21:40	112.1	↓-5.3
2/20 21:50	106.6	↓-5.5
2/20 22:00	101.0	↓-5.6
2/20 22:10	95.2	↓-5.8
2/20 22:20	89.3	↓-5.9
2/20 22:30	83.4	↓-5.9
2/20 22:40	77.5	↓-5.9
2/20 22:50	71.5	↓-6.0	最大潮位差
2/20 23:00	65.7	↓-5.8
2/20 23:10	60.0	↓-5.7
2/20 23:20	54.4	↓-5.6
2/20 23:30	49.0	↓-5.4
2/20 23:40	43.8	↓-5.2
2/20 23:50	38.9	↓-4.9