20 (木)	07:48	01:53	20:37	14:13
	145cm	61cm	149cm	31cm
中潮 出 05:25 入 19:34 出 02:57 入 18:02

大河内湾（長崎）2028年07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
7/20 00:00	78.3	↓-3.0
7/20 00:10	75.4	↓-2.9
7/20 00:20	72.8	↓-2.6
7/20 00:30	70.3	↓-2.5
7/20 00:40	68.1	↓-2.2
7/20 00:50	66.1	↓-2.0
7/20 01:00	64.4	↓-1.7
7/20 01:10	63.0	↓-1.4
7/20 01:20	61.8	↓-1.2
7/20 01:30	61.0	↓-0.8
7/20 01:40	60.5	↓-0.5
7/20 01:50	60.3	↓-0.2	干潮
7/20 02:00	60.4	↑0.1
7/20 02:10	60.8	↑0.4
7/20 02:20	61.5	↑0.7
7/20 02:30	62.5	↑1.0
7/20 02:40	63.9	↑1.4
7/20 02:50	65.5	↑1.6
7/20 03:00	67.4	↑1.9
7/20 03:10	69.6	↑2.2
7/20 03:20	72.0	↑2.4
7/20 03:30	74.7	↑2.7
7/20 03:40	77.6	↑2.9
7/20 03:50	80.6	↑3.0
7/20 04:00	83.9	↑3.3
7/20 04:10	87.2	↑3.3
7/20 04:20	90.7	↑3.5
7/20 04:30	94.3	↑3.6
7/20 04:40	98.0	↑3.7
7/20 04:50	101.7	↑3.7
7/20 05:00	105.4	↑3.7
7/20 05:10	109.1	↑3.7
7/20 05:20	112.7	↑3.6
7/20 05:30	116.3	↑3.6
7/20 05:40	119.7	↑3.4
7/20 05:50	123.1	↑3.4
7/20 06:00	126.2	↑3.1
7/20 06:10	129.2	↑3.0
7/20 06:20	132.0	↑2.8
7/20 06:30	134.5	↑2.5
7/20 06:40	136.8	↑2.3
7/20 06:50	138.8	↑2.0
7/20 07:00	140.5	↑1.7
7/20 07:10	141.9	↑1.4
7/20 07:20	143.0	↑1.1
7/20 07:30	143.8	↑0.8
7/20 07:40	144.2	↑0.4	満潮
7/20 07:50	144.3	↑0.1
7/20 08:00	144.0	↓-0.3
7/20 08:10	143.4	↓-0.6
7/20 08:20	142.4	↓-1.0
7/20 08:30	141.0	↓-1.4
7/20 08:40	139.3	↓-1.7
7/20 08:50	137.3	↓-2.0
7/20 09:00	134.9	↓-2.4
7/20 09:10	132.3	↓-2.6
7/20 09:20	129.3	↓-3.0
7/20 09:30	126.1	↓-3.2
7/20 09:40	122.6	↓-3.5
7/20 09:50	118.8	↓-3.8
7/20 10:00	114.9	↓-3.9
7/20 10:10	110.7	↓-4.2
7/20 10:20	106.4	↓-4.3
7/20 10:30	102.0	↓-4.4
7/20 10:40	97.5	↓-4.5
7/20 10:50	92.9	↓-4.6
7/20 11:00	88.2	↓-4.7
7/20 11:10	83.6	↓-4.6
7/20 11:20	78.9	↓-4.7
7/20 11:30	74.3	↓-4.6
7/20 11:40	69.8	↓-4.5
7/20 11:50	65.4	↓-4.4
7/20 12:00	61.2	↓-4.2
7/20 12:10	57.1	↓-4.1
7/20 12:20	53.2	↓-3.9
7/20 12:30	49.5	↓-3.7
7/20 12:40	46.2	↓-3.3
7/20 12:50	43.0	↓-3.2
7/20 13:00	40.2	↓-2.8
7/20 13:10	37.7	↓-2.5
7/20 13:20	35.6	↓-2.1
7/20 13:30	33.7	↓-1.9
7/20 13:40	32.3	↓-1.4
7/20 13:50	31.2	↓-1.1
7/20 14:00	30.6	↓-0.6
7/20 14:10	30.3	↓-0.3	干潮
7/20 14:20	30.4	↑0.1
7/20 14:30	30.9	↑0.5
7/20 14:40	31.8	↑0.9
7/20 14:50	33.0	↑1.2
7/20 15:00	34.7	↑1.7
7/20 15:10	36.7	↑2.0
7/20 15:20	39.1	↑2.4
7/20 15:30	41.8	↑2.7
7/20 15:40	44.8	↑3.0
7/20 15:50	48.2	↑3.4
7/20 16:00	51.8	↑3.6
7/20 16:10	55.7	↑3.9
7/20 16:20	59.7	↑4.0
7/20 16:30	64.0	↑4.3
7/20 16:40	68.5	↑4.5
7/20 16:50	73.1	↑4.6
7/20 17:00	77.8	↑4.7
7/20 17:10	82.6	↑4.8
7/20 17:20	87.5	↑4.9	最大潮位差
7/20 17:30	92.3	↑4.8
7/20 17:40	97.1	↑4.8
7/20 17:50	101.9	↑4.8
7/20 18:00	106.6	↑4.7
7/20 18:10	111.2	↑4.6
7/20 18:20	115.6	↑4.4
7/20 18:30	119.8	↑4.2
7/20 18:40	123.9	↑4.1
7/20 18:50	127.7	↑3.8
7/20 19:00	131.2	↑3.5
7/20 19:10	134.5	↑3.3
7/20 19:20	137.5	↑3.0
7/20 19:30	140.1	↑2.6
7/20 19:40	142.4	↑2.3
7/20 19:50	144.3	↑1.9
7/20 20:00	145.9	↑1.6
7/20 20:10	147.1	↑1.2
7/20 20:20	148.0	↑0.9
7/20 20:30	148.4	↑0.4	満潮
7/20 20:40	148.4	0
7/20 20:50	148.1	↓-0.3
7/20 21:00	147.4	↓-0.7
7/20 21:10	146.3	↓-1.1
7/20 21:20	144.9	↓-1.4
7/20 21:30	143.1	↓-1.8
7/20 21:40	140.9	↓-2.2
7/20 21:50	138.5	↓-2.4
7/20 22:00	135.7	↓-2.8
7/20 22:10	132.7	↓-3.0
7/20 22:20	129.4	↓-3.3
7/20 22:30	125.9	↓-3.5
7/20 22:40	122.3	↓-3.6
7/20 22:50	118.4	↓-3.9
7/20 23:00	114.4	↓-4.0
7/20 23:10	110.3	↓-4.1
7/20 23:20	106.1	↓-4.2
7/20 23:30	101.8	↓-4.3
7/20 23:40	97.6	↓-4.2
7/20 23:50	93.4	↓-4.2