20 (日)	02:09	08:04	13:41	20:42
	145cm	95cm	134cm	61cm
小潮 出 05:46 入 18:59 出 00:57 入 10:29

島山（長崎）2025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	125.6	↑2.9	最大潮位差
4/20 00:10	128.4	↑2.8
4/20 00:20	130.9	↑2.5
4/20 00:30	133.3	↑2.4
4/20 00:40	135.4	↑2.1
4/20 00:50	137.3	↑1.9
4/20 01:00	139.0	↑1.7
4/20 01:10	140.5	↑1.5
4/20 01:20	141.8	↑1.3
4/20 01:30	142.8	↑1.0
4/20 01:40	143.5	↑0.7
4/20 01:50	144.1	↑0.6
4/20 02:00	144.4	↑0.3	満潮
4/20 02:10	144.4	0
4/20 02:20	144.2	↓-0.2
4/20 02:30	143.9	↓-0.3
4/20 02:40	143.3	↓-0.6
4/20 02:50	142.5	↓-0.8
4/20 03:00	141.5	↓-1.0
4/20 03:10	140.3	↓-1.2
4/20 03:20	138.9	↓-1.4
4/20 03:30	137.4	↓-1.5
4/20 03:40	135.8	↓-1.6
4/20 03:50	134.0	↓-1.8
4/20 04:00	132.1	↓-1.9
4/20 04:10	130.1	↓-2.0
4/20 04:20	128.0	↓-2.1
4/20 04:30	125.9	↓-2.1
4/20 04:40	123.8	↓-2.1
4/20 04:50	121.6	↓-2.2
4/20 05:00	119.4	↓-2.2
4/20 05:10	117.2	↓-2.2
4/20 05:20	115.0	↓-2.2
4/20 05:30	112.9	↓-2.1
4/20 05:40	110.8	↓-2.1
4/20 05:50	108.8	↓-2.0
4/20 06:00	106.9	↓-1.9
4/20 06:10	105.0	↓-1.9
4/20 06:20	103.3	↓-1.7
4/20 06:30	101.7	↓-1.6
4/20 06:40	100.3	↓-1.4
4/20 06:50	99.0	↓-1.3
4/20 07:00	97.8	↓-1.2
4/20 07:10	96.8	↓-1.0
4/20 07:20	96.0	↓-0.8
4/20 07:30	95.4	↓-0.6
4/20 07:40	94.9	↓-0.5
4/20 07:50	94.6	↓-0.3
4/20 08:00	94.4	↓-0.2	干潮
4/20 08:10	94.5	↑0.1
4/20 08:20	94.7	↑0.2
4/20 08:30	95.1	↑0.4
4/20 08:40	95.6	↑0.5
4/20 08:50	96.3	↑0.7
4/20 09:00	97.2	↑0.9
4/20 09:10	98.2	↑1.0
4/20 09:20	99.4	↑1.2
4/20 09:30	100.6	↑1.2
4/20 09:40	102.0	↑1.4
4/20 09:50	103.5	↑1.5
4/20 10:00	105.1	↑1.6
4/20 10:10	106.7	↑1.6
4/20 10:20	108.4	↑1.7
4/20 10:30	110.2	↑1.8
4/20 10:40	112.0	↑1.8
4/20 10:50	113.8	↑1.8
4/20 11:00	115.6	↑1.8
4/20 11:10	117.4	↑1.8
4/20 11:20	119.2	↑1.8
4/20 11:30	120.9	↑1.7
4/20 11:40	122.6	↑1.7
4/20 11:50	124.2	↑1.6
4/20 12:00	125.8	↑1.6
4/20 12:10	127.2	↑1.4
4/20 12:20	128.5	↑1.3
4/20 12:30	129.7	↑1.2
4/20 12:40	130.8	↑1.1
4/20 12:50	131.7	↑0.9
4/20 13:00	132.5	↑0.8
4/20 13:10	133.1	↑0.6
4/20 13:20	133.5	↑0.4
4/20 13:30	133.8	↑0.3
4/20 13:40	133.9	↑0.1	満潮
4/20 13:50	133.8	↓-0.1
4/20 14:00	133.5	↓-0.3
4/20 14:10	133.0	↓-0.5
4/20 14:20	132.4	↓-0.6
4/20 14:30	131.5	↓-0.9
4/20 14:40	130.5	↓-1.0
4/20 14:50	129.3	↓-1.2
4/20 15:00	128.0	↓-1.3
4/20 15:10	126.4	↓-1.6
4/20 15:20	124.7	↓-1.7
4/20 15:30	122.9	↓-1.8
4/20 15:40	120.9	↓-2.0
4/20 15:50	118.7	↓-2.2
4/20 16:00	116.5	↓-2.2
4/20 16:10	114.1	↓-2.4
4/20 16:20	111.6	↓-2.5
4/20 16:30	109.1	↓-2.5
4/20 16:40	106.5	↓-2.6
4/20 16:50	103.8	↓-2.7
4/20 17:00	101.1	↓-2.7
4/20 17:10	98.4	↓-2.7
4/20 17:20	95.6	↓-2.8
4/20 17:30	92.9	↓-2.7
4/20 17:40	90.1	↓-2.8
4/20 17:50	87.5	↓-2.6
4/20 18:00	84.8	↓-2.7
4/20 18:10	82.3	↓-2.5
4/20 18:20	79.8	↓-2.5
4/20 18:30	77.4	↓-2.4
4/20 18:40	75.1	↓-2.3
4/20 18:50	73.0	↓-2.1
4/20 19:00	71.0	↓-2.0
4/20 19:10	69.1	↓-1.9
4/20 19:20	67.4	↓-1.7
4/20 19:30	65.9	↓-1.5
4/20 19:40	64.6	↓-1.3
4/20 19:50	63.4	↓-1.2
4/20 20:00	62.4	↓-1.0
4/20 20:10	61.7	↓-0.7
4/20 20:20	61.1	↓-0.6
4/20 20:30	60.8	↓-0.3
4/20 20:40	60.6	↓-0.2	干潮
4/20 20:50	60.7	↑0.1
4/20 21:00	61.0	↑0.3
4/20 21:10	61.5	↑0.5
4/20 21:20	62.3	↑0.8
4/20 21:30	63.2	↑0.9
4/20 21:40	64.3	↑1.1
4/20 21:50	65.7	↑1.4
4/20 22:00	67.2	↑1.5
4/20 22:10	68.9	↑1.7
4/20 22:20	70.8	↑1.9
4/20 22:30	72.8	↑2.0
4/20 22:40	75.0	↑2.2
4/20 22:50	77.3	↑2.3
4/20 23:00	79.8	↑2.5
4/20 23:10	82.4	↑2.6
4/20 23:20	85.0	↑2.6
4/20 23:30	87.8	↑2.8
4/20 23:40	90.6	↑2.8
4/20 23:50	93.5	↑2.9	最大潮位差