20 (土)	09:47	03:33	21:52	15:50
	129cm	-16cm	128cm	-3cm
大潮 出 07:03 入 18:11 出 18:53 入 07:31 潮干狩り ◎ 13:47～17:52

大河内湾（長崎）2038年02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
2/20 00:00	69.8	↓-5.8
2/20 00:10	63.9	↓-5.9
2/20 00:20	57.9	↓-6.0
2/20 00:30	51.9	↓-6.0
2/20 00:40	45.9	↓-6.0
2/20 00:50	40.0	↓-5.9
2/20 01:00	34.1	↓-5.9
2/20 01:10	28.5	↓-5.6
2/20 01:20	23.0	↓-5.5
2/20 01:30	17.7	↓-5.3
2/20 01:40	12.7	↓-5.0
2/20 01:50	7.9	↓-4.8
2/20 02:00	3.6	↓-4.3
2/20 02:10	-0.5	↓-4.1
2/20 02:20	-4.1	↓-3.6
2/20 02:30	-7.3	↓-3.2
2/20 02:40	-10.1	↓-2.8
2/20 02:50	-12.4	↓-2.3
2/20 03:00	-14.2	↓-1.8
2/20 03:10	-15.6	↓-1.4
2/20 03:20	-16.4	↓-0.8
2/20 03:30	-16.8	↓-0.4	干潮
2/20 03:40	-16.6	↑0.2
2/20 03:50	-15.9	↑0.7
2/20 04:00	-14.7	↑1.2
2/20 04:10	-13.0	↑1.7
2/20 04:20	-10.9	↑2.1
2/20 04:30	-8.2	↑2.7
2/20 04:40	-5.1	↑3.1
2/20 04:50	-1.6	↑3.5
2/20 05:00	2.3	↑3.9
2/20 05:10	6.6	↑4.3
2/20 05:20	11.3	↑4.7
2/20 05:30	16.2	↑4.9
2/20 05:40	21.5	↑5.3
2/20 05:50	27.0	↑5.5
2/20 06:00	32.7	↑5.7
2/20 06:10	38.5	↑5.8
2/20 06:20	44.5	↑6.0
2/20 06:30	50.6	↑6.1	最大潮位差
2/20 06:40	56.7	↑6.1	最大潮位差
2/20 06:50	62.7	↑6.0
2/20 07:00	68.8	↑6.1	最大潮位差
2/20 07:10	74.7	↑5.9
2/20 07:20	80.5	↑5.8
2/20 07:30	86.2	↑5.7
2/20 07:40	91.6	↑5.4
2/20 07:50	96.8	↑5.2
2/20 08:00	101.7	↑4.9
2/20 08:10	106.2	↑4.5
2/20 08:20	110.4	↑4.2
2/20 08:30	114.2	↑3.8
2/20 08:40	117.6	↑3.4
2/20 08:50	120.6	↑3.0
2/20 09:00	123.1	↑2.5
2/20 09:10	125.2	↑2.1
2/20 09:20	126.8	↑1.6
2/20 09:30	127.8	↑1.0
2/20 09:40	128.4	↑0.6	満潮
2/20 09:50	128.5	↑0.1
2/20 10:00	128.0	↓-0.5
2/20 10:10	127.1	↓-0.9
2/20 10:20	125.7	↓-1.4
2/20 10:30	123.8	↓-1.9
2/20 10:40	121.4	↓-2.4
2/20 10:50	118.6	↓-2.8
2/20 11:00	115.4	↓-3.2
2/20 11:10	111.8	↓-3.6
2/20 11:20	107.8	↓-4.0
2/20 11:30	103.4	↓-4.4
2/20 11:40	98.8	↓-4.6
2/20 11:50	93.9	↓-4.9
2/20 12:00	88.7	↓-5.2
2/20 12:10	83.4	↓-5.3
2/20 12:20	77.9	↓-5.5
2/20 12:30	72.3	↓-5.6
2/20 12:40	66.6	↓-5.7
2/20 12:50	60.9	↓-5.7
2/20 13:00	55.2	↓-5.7
2/20 13:10	49.6	↓-5.6
2/20 13:20	44.0	↓-5.6
2/20 13:30	38.6	↓-5.4
2/20 13:40	33.4	↓-5.2
2/20 13:50	28.4	↓-5.0
2/20 14:00	23.6	↓-4.8
2/20 14:10	19.2	↓-4.4
2/20 14:20	15.0	↓-4.2
2/20 14:30	11.2	↓-3.8
2/20 14:40	7.8	↓-3.4
2/20 14:50	4.8	↓-3.0
2/20 15:00	2.3	↓-2.5
2/20 15:10	0.1	↓-2.2
2/20 15:20	-1.5	↓-1.6
2/20 15:30	-2.7	↓-1.2
2/20 15:40	-3.4	↓-0.7	干潮
2/20 15:50	-3.6	↓-0.2	干潮
2/20 16:00	-3.3	↑0.3
2/20 16:10	-2.5	↑0.8
2/20 16:20	-1.3	↑1.2
2/20 16:30	0.5	↑1.8
2/20 16:40	2.7	↑2.2
2/20 16:50	5.3	↑2.6
2/20 17:00	8.4	↑3.1
2/20 17:10	11.8	↑3.4
2/20 17:20	15.7	↑3.9
2/20 17:30	19.9	↑4.2
2/20 17:40	24.4	↑4.5
2/20 17:50	29.2	↑4.8
2/20 18:00	34.2	↑5.0
2/20 18:10	39.5	↑5.3
2/20 18:20	44.9	↑5.4
2/20 18:30	50.5	↑5.6
2/20 18:40	56.1	↑5.6
2/20 18:50	61.8	↑5.7
2/20 19:00	67.5	↑5.7
2/20 19:10	73.2	↑5.7
2/20 19:20	78.7	↑5.5
2/20 19:30	84.2	↑5.5
2/20 19:40	89.5	↑5.3
2/20 19:50	94.6	↑5.1
2/20 20:00	99.4	↑4.8
2/20 20:10	104.0	↑4.6
2/20 20:20	108.2	↑4.2
2/20 20:30	112.1	↑3.9
2/20 20:40	115.6	↑3.5
2/20 20:50	118.8	↑3.2
2/20 21:00	121.5	↑2.7
2/20 21:10	123.7	↑2.2
2/20 21:20	125.5	↑1.8
2/20 21:30	126.8	↑1.3
2/20 21:40	127.6	↑0.8
2/20 21:50	127.9	↑0.3	満潮
2/20 22:00	127.7	↓-0.2
2/20 22:10	127.0	↓-0.7
2/20 22:20	125.8	↓-1.2
2/20 22:30	124.2	↓-1.6
2/20 22:40	122.0	↓-2.2
2/20 22:50	119.3	↓-2.7
2/20 23:00	116.3	↓-3.0
2/20 23:10	112.7	↓-3.6
2/20 23:20	108.8	↓-3.9
2/20 23:30	104.5	↓-4.3
2/20 23:40	99.9	↓-4.6
2/20 23:50	94.9	↓-5.0