20 (木)	09:40	03:36	22:08	15:55
	140cm	5cm	137cm	-8cm
大潮 出 05:46 入 18:59 出 06:53 入 20:40 潮干狩り ◎ 13:47～18:02

大河内湾（長崎）2034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	91.1	↓-5.5
4/20 00:10	85.5	↓-5.6
4/20 00:20	79.7	↓-5.8
4/20 00:30	73.9	↓-5.8
4/20 00:40	68.1	↓-5.8
4/20 00:50	62.3	↓-5.8
4/20 01:00	56.5	↓-5.8
4/20 01:10	50.9	↓-5.6
4/20 01:20	45.5	↓-5.4
4/20 01:30	40.2	↓-5.3
4/20 01:40	35.2	↓-5.0
4/20 01:50	30.4	↓-4.8
4/20 02:00	26.0	↓-4.4
4/20 02:10	21.9	↓-4.1
4/20 02:20	18.2	↓-3.7
4/20 02:30	14.8	↓-3.4
4/20 02:40	11.9	↓-2.9
4/20 02:50	9.5	↓-2.4
4/20 03:00	7.5	↓-2.0
4/20 03:10	6.0	↓-1.5
4/20 03:20	5.0	↓-1.0
4/20 03:30	4.4	↓-0.6	干潮
4/20 03:40	4.4	0
4/20 03:50	4.9	↑0.5
4/20 04:00	5.9	↑1.0
4/20 04:10	7.4	↑1.5
4/20 04:20	9.3	↑1.9
4/20 04:30	11.8	↑2.5
4/20 04:40	14.7	↑2.9
4/20 04:50	18.0	↑3.3
4/20 05:00	21.7	↑3.7
4/20 05:10	25.7	↑4.0
4/20 05:20	30.2	↑4.5
4/20 05:30	34.9	↑4.7
4/20 05:40	39.9	↑5.0
4/20 05:50	45.2	↑5.3
4/20 06:00	50.7	↑5.5
4/20 06:10	56.3	↑5.6
4/20 06:20	62.0	↑5.7
4/20 06:30	67.8	↑5.8
4/20 06:40	73.7	↑5.9
4/20 06:50	79.5	↑5.8
4/20 07:00	85.3	↑5.8
4/20 07:10	91.0	↑5.7
4/20 07:20	96.6	↑5.6
4/20 07:30	101.9	↑5.3
4/20 07:40	107.1	↑5.2
4/20 07:50	112.0	↑4.9
4/20 08:00	116.6	↑4.6
4/20 08:10	120.8	↑4.2
4/20 08:20	124.7	↑3.9
4/20 08:30	128.2	↑3.5
4/20 08:40	131.3	↑3.1
4/20 08:50	134.0	↑2.7
4/20 09:00	136.1	↑2.1
4/20 09:10	137.8	↑1.7
4/20 09:20	139.0	↑1.2
4/20 09:30	139.7	↑0.7	満潮
4/20 09:40	139.9	↑0.2	満潮
4/20 09:50	139.6	↓-0.3
4/20 10:00	138.8	↓-0.8
4/20 10:10	137.4	↓-1.4
4/20 10:20	135.6	↓-1.8
4/20 10:30	133.2	↓-2.4
4/20 10:40	130.4	↓-2.8
4/20 10:50	127.2	↓-3.2
4/20 11:00	123.5	↓-3.7
4/20 11:10	119.4	↓-4.1
4/20 11:20	114.9	↓-4.5
4/20 11:30	110.1	↓-4.8
4/20 11:40	105.0	↓-5.1
4/20 11:50	99.6	↓-5.4
4/20 12:00	94.0	↓-5.6
4/20 12:10	88.1	↓-5.9
4/20 12:20	82.1	↓-6.0
4/20 12:30	76.0	↓-6.1
4/20 12:40	69.8	↓-6.2	最大潮位差
4/20 12:50	63.6	↓-6.2	最大潮位差
4/20 13:00	57.4	↓-6.2	最大潮位差
4/20 13:10	51.3	↓-6.1
4/20 13:20	45.3	↓-6.0
4/20 13:30	39.4	↓-5.9
4/20 13:40	33.7	↓-5.7
4/20 13:50	28.2	↓-5.5
4/20 14:00	23.0	↓-5.2
4/20 14:10	18.1	↓-4.9
4/20 14:20	13.6	↓-4.5
4/20 14:30	9.4	↓-4.2
4/20 14:40	5.6	↓-3.8
4/20 14:50	2.2	↓-3.4
4/20 15:00	-0.7	↓-2.9
4/20 15:10	-3.2	↓-2.5
4/20 15:20	-5.2	↓-2.0
4/20 15:30	-6.6	↓-1.4
4/20 15:40	-7.6	↓-1.0
4/20 15:50	-8.0	↓-0.4	干潮
4/20 16:00	-8.0	0
4/20 16:10	-7.4	↑0.6
4/20 16:20	-6.3	↑1.1
4/20 16:30	-4.7	↑1.6
4/20 16:40	-2.6	↑2.1
4/20 16:50	0.0	↑2.6
4/20 17:00	3.0	0
4/20 17:10	6.5	↑3.5
4/20 17:20	10.4	↑3.9
4/20 17:30	14.6	↑4.2
4/20 17:40	19.3	↑4.7
4/20 17:50	24.2	↑4.9
4/20 18:00	29.4	↑5.2
4/20 18:10	34.8	↑5.4
4/20 18:20	40.5	↑5.7
4/20 18:30	46.3	↑5.8
4/20 18:40	52.3	↑6.0
4/20 18:50	58.3	↑6.0
4/20 19:00	64.3	↑6.0
4/20 19:10	70.4	↑6.1
4/20 19:20	76.4	↑6.0
4/20 19:30	82.3	↑5.9
4/20 19:40	88.1	↑5.8
4/20 19:50	93.7	↑5.6
4/20 20:00	99.1	↑5.4
4/20 20:10	104.3	↑5.2
4/20 20:20	109.1	↑4.8
4/20 20:30	113.7	↑4.6
4/20 20:40	117.9	↑4.2
4/20 20:50	121.7	↑3.8
4/20 21:00	125.1	↑3.4
4/20 21:10	128.0	↑2.9
4/20 21:20	130.6	↑2.6
4/20 21:30	132.6	↑2.0
4/20 21:40	134.2	↑1.6
4/20 21:50	135.3	↑1.1
4/20 22:00	135.9	↑0.6	満潮
4/20 22:10	136.0	↑0.1
4/20 22:20	135.7	↓-0.3
4/20 22:30	134.8	↓-0.9
4/20 22:40	133.4	↓-1.4
4/20 22:50	131.6	↓-1.8
4/20 23:00	129.3	↓-2.3
4/20 23:10	126.6	↓-2.7
4/20 23:20	123.5	↓-3.1
4/20 23:30	120.0	↓-3.5
4/20 23:40	116.1	↓-3.9
4/20 23:50	112.0	↓-4.1