20 (月)	07:52	01:52	20:36	14:15
	147cm	44cm	145cm	18cm
大潮 出 05:10 入 19:39 出 03:58 入 18:24 潮干狩り ○ 12:59～15:31

大河内湾（長崎）2039年06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
6/20 00:00	64.8	↓-3.6
6/20 00:10	61.4	↓-3.4
6/20 00:20	58.2	↓-3.2
6/20 00:30	55.2	↓-3.0
6/20 00:40	52.6	↓-2.6
6/20 00:50	50.3	↓-2.3
6/20 01:00	48.2	↓-2.1
6/20 01:10	46.6	↓-1.6
6/20 01:20	45.2	↓-1.4
6/20 01:30	44.3	↓-0.9
6/20 01:40	43.7	↓-0.6
6/20 01:50	43.5	↓-0.2	干潮
6/20 02:00	43.6	↑0.1
6/20 02:10	44.2	↑0.6
6/20 02:20	45.1	↑0.9
6/20 02:30	46.4	↑1.3
6/20 02:40	48.0	↑1.6
6/20 02:50	50.0	↑2.0
6/20 03:00	52.4	↑2.4
6/20 03:10	55.0	↑2.6
6/20 03:20	58.0	↑3.0
6/20 03:30	61.2	↑3.2
6/20 03:40	64.7	↑3.5
6/20 03:50	68.4	↑3.7
6/20 04:00	72.3	↑3.9
6/20 04:10	76.4	↑4.1
6/20 04:20	80.6	↑4.2
6/20 04:30	85.0	↑4.4
6/20 04:40	89.4	↑4.4
6/20 04:50	93.9	↑4.5
6/20 05:00	98.3	↑4.4
6/20 05:10	102.8	↑4.5
6/20 05:20	107.2	↑4.4
6/20 05:30	111.5	↑4.3
6/20 05:40	115.7	↑4.2
6/20 05:50	119.7	↑4.0
6/20 06:00	123.6	↑3.9
6/20 06:10	127.2	↑3.6
6/20 06:20	130.6	↑3.4
6/20 06:30	133.7	↑3.1
6/20 06:40	136.5	↑2.8
6/20 06:50	139.0	↑2.5
6/20 07:00	141.2	↑2.2
6/20 07:10	143.0	↑1.8
6/20 07:20	144.4	↑1.4
6/20 07:30	145.4	↑1.0
6/20 07:40	146.1	↑0.7
6/20 07:50	146.3	↑0.2	満潮
6/20 08:00	146.1	↓-0.2
6/20 08:10	145.5	↓-0.6
6/20 08:20	144.5	↓-1.0
6/20 08:30	143.1	↓-1.4
6/20 08:40	141.3	↓-1.8
6/20 08:50	139.1	↓-2.2
6/20 09:00	136.5	↓-2.6
6/20 09:10	133.6	↓-2.9
6/20 09:20	130.3	↓-3.3
6/20 09:30	126.7	↓-3.6
6/20 09:40	122.7	↓-4.0
6/20 09:50	118.6	↓-4.1
6/20 10:00	114.1	↓-4.5
6/20 10:10	109.5	↓-4.6
6/20 10:20	104.6	↓-4.9
6/20 10:30	99.6	↓-5.0
6/20 10:40	94.5	↓-5.1
6/20 10:50	89.3	↓-5.2
6/20 11:00	84.0	↓-5.3	最大潮位差
6/20 11:10	78.7	↓-5.3	最大潮位差
6/20 11:20	73.5	↓-5.2
6/20 11:30	68.3	↓-5.2
6/20 11:40	63.2	↓-5.1
6/20 11:50	58.2	↓-5.0
6/20 12:00	53.3	↓-4.9
6/20 12:10	48.7	↓-4.6
6/20 12:20	44.3	↓-4.4
6/20 12:30	40.1	↓-4.2
6/20 12:40	36.2	↓-3.9
6/20 12:50	32.7	↓-3.5
6/20 13:00	29.5	↓-3.2
6/20 13:10	26.6	↓-2.9
6/20 13:20	24.1	↓-2.5
6/20 13:30	22.0	↓-2.1
6/20 13:40	20.3	↓-1.7
6/20 13:50	19.0	↓-1.3
6/20 14:00	18.2	↓-0.8
6/20 14:10	17.8	↓-0.4	干潮
6/20 14:20	17.8	0
6/20 14:30	18.2	↑0.4
6/20 14:40	19.1	↑0.9
6/20 14:50	20.5	↑1.4
6/20 15:00	22.2	↑1.7
6/20 15:10	24.4	↑2.2
6/20 15:20	26.9	↑2.5
6/20 15:30	29.9	↑3.0
6/20 15:40	33.1	↑3.2
6/20 15:50	36.7	↑3.6
6/20 16:00	40.6	↑3.9
6/20 16:10	44.8	↑4.2
6/20 16:20	49.3	↑4.5
6/20 16:30	53.9	↑4.6
6/20 16:40	58.8	↑4.9
6/20 16:50	63.8	↑5.0
6/20 17:00	68.9	↑5.1
6/20 17:10	74.1	↑5.2
6/20 17:20	79.3	↑5.2
6/20 17:30	84.6	↑5.3	最大潮位差
6/20 17:40	89.8	↑5.2
6/20 17:50	95.0	↑5.2
6/20 18:00	100.1	↑5.1
6/20 18:10	105.0	↑4.9
6/20 18:20	109.8	↑4.8
6/20 18:30	114.4	↑4.6
6/20 18:40	118.7	↑4.3
6/20 18:50	122.8	↑4.1
6/20 19:00	126.6	↑3.8
6/20 19:10	130.1	↑3.5
6/20 19:20	133.3	↑3.2
6/20 19:30	136.1	↑2.8
6/20 19:40	138.5	↑2.4
6/20 19:50	140.6	↑2.1
6/20 20:00	142.3	↑1.7
6/20 20:10	143.5	↑1.2
6/20 20:20	144.3	↑0.8
6/20 20:30	144.7	↑0.4	満潮
6/20 20:40	144.7	0
6/20 20:50	144.3	↓-0.4
6/20 21:00	143.5	↓-0.8
6/20 21:10	142.3	↓-1.2
6/20 21:20	140.6	↓-1.7
6/20 21:30	138.6	↓-2.0
6/20 21:40	136.3	↓-2.3
6/20 21:50	133.6	↓-2.7
6/20 22:00	130.6	↓-3.0
6/20 22:10	127.3	↓-3.3
6/20 22:20	123.7	↓-3.6
6/20 22:30	119.9	↓-3.8
6/20 22:40	115.9	↓-4.0
6/20 22:50	111.7	↓-4.2
6/20 23:00	107.3	↓-4.4
6/20 23:10	102.9	↓-4.4
6/20 23:20	98.4	↓-4.5
6/20 23:30	93.8	↓-4.6
6/20 23:40	89.3	↓-4.5
6/20 23:50	84.7	↓-4.6