20 (水)	09:32	03:20	21:39	15:38
	302cm	40cm	294cm	56cm
大潮 出 06:09 入 18:22 出 07:39 入 18:58 潮干狩り ○ 15:05～16:09

黒子島（長崎）2028年09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
9/20 00:00	182.1	↓-10.6
9/20 00:10	171.3	↓-10.8
9/20 00:20	160.5	↓-10.8
9/20 00:30	149.7	↓-10.8
9/20 00:40	139.0	↓-10.7
9/20 00:50	128.6	↓-10.4
9/20 01:00	118.4	↓-10.2
9/20 01:10	108.5	↓-9.9
9/20 01:20	99.1	↓-9.4
9/20 01:30	90.2	↓-8.9
9/20 01:40	81.8	↓-8.4
9/20 01:50	74.0	↓-7.8
9/20 02:00	66.9	↓-7.1
9/20 02:10	60.5	↓-6.4
9/20 02:20	54.9	↓-5.6
9/20 02:30	50.1	↓-4.8
9/20 02:40	46.1	↓-4.0
9/20 02:50	43.1	↓-3.0
9/20 03:00	40.9	↓-2.2
9/20 03:10	39.6	↓-1.3	干潮
9/20 03:20	39.3	↓-0.3	干潮
9/20 03:30	39.9	↑0.6
9/20 03:40	41.5	↑1.6
9/20 03:50	43.9	↑2.4
9/20 04:00	47.2	↑3.3
9/20 04:10	51.5	↑4.3
9/20 04:20	56.5	↑5.0
9/20 04:30	62.4	↑5.9
9/20 04:40	69.1	↑6.7
9/20 04:50	76.4	↑7.3
9/20 05:00	84.5	↑8.1
9/20 05:10	93.1	↑8.6
9/20 05:20	102.3	↑9.2
9/20 05:30	112.0	↑9.7
9/20 05:40	122.1	↑10.1
9/20 05:50	132.5	↑10.4
9/20 06:00	143.3	↑10.8
9/20 06:10	154.2	↑10.9
9/20 06:20	165.2	↑11.0
9/20 06:30	176.2	↑11.0
9/20 06:40	187.3	↑11.1	最大潮位差
9/20 06:50	198.1	↑10.8
9/20 07:00	208.8	↑10.7
9/20 07:10	219.2	↑10.4
9/20 07:20	229.3	↑10.1
9/20 07:30	239.0	↑9.7
9/20 07:40	248.1	↑9.1
9/20 07:50	256.7	↑8.6
9/20 08:00	264.7	↑8.0
9/20 08:10	272.0	↑7.3
9/20 08:20	278.6	↑6.6
9/20 08:30	284.4	↑5.8
9/20 08:40	289.4	↑5.0
9/20 08:50	293.6	↑4.2
9/20 09:00	296.9	↑3.3
9/20 09:10	299.2	↑2.3
9/20 09:20	300.7	↑1.5
9/20 09:30	301.3	↑0.6	満潮
9/20 09:40	300.9	↓-0.4
9/20 09:50	299.7	↓-1.2
9/20 10:00	297.5	↓-2.2
9/20 10:10	294.4	↓-3.1
9/20 10:20	290.5	↓-3.9
9/20 10:30	285.7	↓-4.8
9/20 10:40	280.1	↓-5.6
9/20 10:50	273.8	↓-6.3
9/20 11:00	266.8	↓-7.0
9/20 11:10	259.1	↓-7.7
9/20 11:20	250.8	↓-8.3
9/20 11:30	242.0	↓-8.8
9/20 11:40	232.8	↓-9.2
9/20 11:50	223.1	↓-9.7
9/20 12:00	213.1	↓-10.0
9/20 12:10	202.8	↓-10.3
9/20 12:20	192.4	↓-10.4
9/20 12:30	181.8	↓-10.6
9/20 12:40	171.3	↓-10.5
9/20 12:50	160.7	↓-10.6
9/20 13:00	150.4	↓-10.3
9/20 13:10	140.2	↓-10.2
9/20 13:20	130.3	↓-9.9
9/20 13:30	120.8	↓-9.5
9/20 13:40	111.7	↓-9.1
9/20 13:50	103.1	↓-8.6
9/20 14:00	95.0	↓-8.1
9/20 14:10	87.6	↓-7.4
9/20 14:20	80.8	↓-6.8
9/20 14:30	74.7	↓-6.1
9/20 14:40	69.4	↓-5.3
9/20 14:50	64.9	↓-4.5
9/20 15:00	61.3	↓-3.6
9/20 15:10	58.5	↓-2.8
9/20 15:20	56.5	↓-2.0
9/20 15:30	55.5	↓-1.0	干潮
9/20 15:40	55.4	↓-0.1
9/20 15:50	56.1	↑0.7
9/20 16:00	57.8	↑1.7
9/20 16:10	60.3	↑2.5
9/20 16:20	63.7	↑3.4
9/20 16:30	67.9	↑4.2
9/20 16:40	72.9	↑5.0
9/20 16:50	78.7	↑5.8
9/20 17:00	85.2	↑6.5
9/20 17:10	92.4	↑7.2
9/20 17:20	100.2	↑7.8
9/20 17:30	108.5	↑8.3
9/20 17:40	117.4	↑8.9
9/20 17:50	126.6	↑9.2
9/20 18:00	136.2	↑9.6
9/20 18:10	146.1	↑9.9
9/20 18:20	156.3	↑10.2
9/20 18:30	166.5	↑10.2
9/20 18:40	176.8	↑10.3
9/20 18:50	187.1	↑10.3
9/20 19:00	197.3	↑10.2
9/20 19:10	207.4	↑10.1
9/20 19:20	217.1	↑9.7
9/20 19:30	226.6	↑9.5
9/20 19:40	235.7	↑9.1
9/20 19:50	244.3	↑8.6
9/20 20:00	252.4	↑8.1
9/20 20:10	259.9	↑7.5
9/20 20:20	266.7	↑6.8
9/20 20:30	272.9	↑6.2
9/20 20:40	278.3	↑5.4
9/20 20:50	282.9	↑4.6
9/20 21:00	286.7	↑3.8
9/20 21:10	289.6	↑2.9
9/20 21:20	291.7	↑2.1
9/20 21:30	292.9	↑1.2	満潮
9/20 21:40	293.2	↑0.3
9/20 21:50	292.5	↓-0.7
9/20 22:00	291.0	↓-1.5
9/20 22:10	288.6	↓-2.4
9/20 22:20	285.3	↓-3.3
9/20 22:30	281.1	↓-4.2
9/20 22:40	276.1	↓-5.0
9/20 22:50	270.3	↓-5.8
9/20 23:00	263.7	↓-6.6
9/20 23:10	256.5	↓-7.2
9/20 23:20	248.5	↓-8.0
9/20 23:30	240.0	↓-8.5
9/20 23:40	230.9	↓-9.1
9/20 23:50	221.4	↓-9.5