20 (月)	06:42	00:22	18:55	12:52
	113cm	28cm	113cm	27cm
若潮 出 05:46 入 18:59 出 15:20 入 03:48 潮干狩り ○ 12:08～13:35

大河内湾（長崎）2043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	27.7	↓-0.7
4/20 00:10	27.2	↓-0.5
4/20 00:20	27.1	↓-0.1	干潮
4/20 00:30	27.2	↑0.1
4/20 00:40	27.6	↑0.4
4/20 00:50	28.3	↑0.7
4/20 01:00	29.2	↑0.9
4/20 01:10	30.4	↑1.2
4/20 01:20	31.9	↑1.5
4/20 01:30	33.7	↑1.8
4/20 01:40	35.6	↑1.9
4/20 01:50	37.8	↑2.2
4/20 02:00	40.3	↑2.5
4/20 02:10	42.9	↑2.6
4/20 02:20	45.7	↑2.8
4/20 02:30	48.7	↑3.0
4/20 02:40	51.8	↑3.1
4/20 02:50	55.1	↑3.3
4/20 03:00	58.4	↑3.3
4/20 03:10	61.9	↑3.5
4/20 03:20	65.3	↑3.4
4/20 03:30	68.9	↑3.6
4/20 03:40	72.4	↑3.5
4/20 03:50	75.9	↑3.5
4/20 04:00	79.4	↑3.5
4/20 04:10	82.8	↑3.4
4/20 04:20	86.2	↑3.4
4/20 04:30	89.4	↑3.2
4/20 04:40	92.5	↑3.1
4/20 04:50	95.4	↑2.9
4/20 05:00	98.2	↑2.8
4/20 05:10	100.8	↑2.6
4/20 05:20	103.1	↑2.3
4/20 05:30	105.2	↑2.1
4/20 05:40	107.1	↑1.9
4/20 05:50	108.7	↑1.6
4/20 06:00	110.0	↑1.3
4/20 06:10	111.1	↑1.1
4/20 06:20	111.9	↑0.8
4/20 06:30	112.3	↑0.4
4/20 06:40	112.5	↑0.2	満潮
4/20 06:50	112.4	↓-0.1
4/20 07:00	112.0	↓-0.4
4/20 07:10	111.2	↓-0.8
4/20 07:20	110.2	↓-1.0
4/20 07:30	108.9	↓-1.3
4/20 07:40	107.3	↓-1.6
4/20 07:50	105.4	↓-1.9
4/20 08:00	103.3	↓-2.1
4/20 08:10	101.0	↓-2.3
4/20 08:20	98.4	↓-2.6
4/20 08:30	95.6	↓-2.8
4/20 08:40	92.7	↓-2.9
4/20 08:50	89.5	↓-3.2
4/20 09:00	86.3	↓-3.2
4/20 09:10	82.9	↓-3.4
4/20 09:20	79.4	↓-3.5
4/20 09:30	75.8	↓-3.6
4/20 09:40	72.2	↓-3.6
4/20 09:50	68.6	↓-3.6
4/20 10:00	64.9	↓-3.7
4/20 10:10	61.4	↓-3.5
4/20 10:20	57.8	↓-3.6
4/20 10:30	54.4	↓-3.4
4/20 10:40	51.1	↓-3.3
4/20 10:50	47.9	↓-3.2
4/20 11:00	44.8	↓-3.1
4/20 11:10	41.9	↓-2.9
4/20 11:20	39.3	↓-2.6
4/20 11:30	36.8	↓-2.5
4/20 11:40	34.6	↓-2.2
4/20 11:50	32.7	↓-1.9
4/20 12:00	31.0	↓-1.7
4/20 12:10	29.6	↓-1.4
4/20 12:20	28.5	↓-1.1
4/20 12:30	27.7	↓-0.8
4/20 12:40	27.2	↓-0.5
4/20 12:50	27.0	↓-0.2	干潮
4/20 13:00	27.1	↑0.1
4/20 13:10	27.5	↑0.4
4/20 13:20	28.3	↑0.8
4/20 13:30	29.3	↑1.0
4/20 13:40	30.7	↑1.4
4/20 13:50	32.3	↑1.6
4/20 14:00	34.2	↑1.9
4/20 14:10	36.4	↑2.2
4/20 14:20	38.8	↑2.4
4/20 14:30	41.4	↑2.6
4/20 14:40	44.3	↑2.9
4/20 14:50	47.4	↑3.1
4/20 15:00	50.6	↑3.2
4/20 15:10	53.9	↑3.3
4/20 15:20	57.4	↑3.5
4/20 15:30	61.0	↑3.6
4/20 15:40	64.6	↑3.6
4/20 15:50	68.3	↑3.7
4/20 16:00	72.0	↑3.7
4/20 16:10	75.7	↑3.7
4/20 16:20	79.3	↑3.6
4/20 16:30	82.9	↑3.6
4/20 16:40	86.4	↑3.5
4/20 16:50	89.7	↑3.3
4/20 17:00	92.9	↑3.2
4/20 17:10	95.9	↑3.0
4/20 17:20	98.8	↑2.9
4/20 17:30	101.4	↑2.6
4/20 17:40	103.8	↑2.4
4/20 17:50	105.9	↑2.1
4/20 18:00	107.7	↑1.8
4/20 18:10	109.3	↑1.6
4/20 18:20	110.6	↑1.3
4/20 18:30	111.5	↑0.9
4/20 18:40	112.1	↑0.6
4/20 18:50	112.4	↑0.3	満潮
4/20 19:00	112.4	0
4/20 19:10	112.0	↓-0.4
4/20 19:20	111.4	↓-0.6
4/20 19:30	110.3	↓-1.1
4/20 19:40	109.0	↓-1.3
4/20 19:50	107.4	↓-1.6
4/20 20:00	105.4	↓-2.0
4/20 20:10	103.2	↓-2.2
4/20 20:20	100.7	↓-2.5
4/20 20:30	97.9	↓-2.8
4/20 20:40	94.9	↓-3.0
4/20 20:50	91.7	↓-3.2
4/20 21:00	88.3	↓-3.4
4/20 21:10	84.7	↓-3.6
4/20 21:20	81.0	↓-3.7
4/20 21:30	77.1	↓-3.9
4/20 21:40	73.2	↓-3.9
4/20 21:50	69.2	↓-4.0	最大潮位差
4/20 22:00	65.2	↓-4.0	最大潮位差
4/20 22:10	61.2	↓-4.0	最大潮位差
4/20 22:20	57.2	↓-4.0	最大潮位差
4/20 22:30	53.3	↓-3.9
4/20 22:40	49.4	↓-3.9
4/20 22:50	45.7	↓-3.7
4/20 23:00	42.1	↓-3.6
4/20 23:10	38.6	↓-3.5
4/20 23:20	35.4	↓-3.2
4/20 23:30	32.4	↓-3.0
4/20 23:40	29.6	↓-2.8
4/20 23:50	27.1	↓-2.5