20 (水)	10:22	04:12	22:36	16:30
	132cm	-13cm	126cm	-10cm
中潮 出 07:03 入 18:11 出 20:32 入 07:44 潮干狩り ◎ 14:17～18:11

大河内湾（長崎）2030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	96.3	↓-5.0
2/20 00:10	91.0	↓-5.3
2/20 00:20	85.5	↓-5.5
2/20 00:30	79.8	↓-5.7
2/20 00:40	73.9	↓-5.9
2/20 00:50	67.9	↓-6.0
2/20 01:00	61.9	↓-6.0
2/20 01:10	55.8	↓-6.1	最大潮位差
2/20 01:20	49.7	↓-6.1	最大潮位差
2/20 01:30	43.7	↓-6.0
2/20 01:40	37.7	↓-6.0
2/20 01:50	32.0	↓-5.7
2/20 02:00	26.4	↓-5.6
2/20 02:10	21.0	↓-5.4
2/20 02:20	15.9	↓-5.1
2/20 02:30	11.1	↓-4.8
2/20 02:40	6.7	↓-4.4
2/20 02:50	2.6	↓-4.1
2/20 03:00	-1.0	↓-3.6
2/20 03:10	-4.3	↓-3.3
2/20 03:20	-7.1	↓-2.8
2/20 03:30	-9.4	↓-2.3
2/20 03:40	-11.2	↓-1.8
2/20 03:50	-12.5	↓-1.3
2/20 04:00	-13.3	↓-0.8
2/20 04:10	-13.6	↓-0.3	干潮
2/20 04:20	-13.4	↑0.2
2/20 04:30	-12.6	↑0.8
2/20 04:40	-11.4	↑1.2
2/20 04:50	-9.6	↑1.8
2/20 05:00	-7.3	↑2.3
2/20 05:10	-4.6	↑2.7
2/20 05:20	-1.4	↑3.2
2/20 05:30	2.3	↑3.7
2/20 05:40	6.3	↑4.0
2/20 05:50	10.7	↑4.4
2/20 06:00	15.5	↑4.8
2/20 06:10	20.6	↑5.1
2/20 06:20	25.9	↑5.3
2/20 06:30	31.5	↑5.6
2/20 06:40	37.3	↑5.8
2/20 06:50	43.2	↑5.9
2/20 07:00	49.3	↑6.1	最大潮位差
2/20 07:10	55.4	↑6.1	最大潮位差
2/20 07:20	61.5	↑6.1	最大潮位差
2/20 07:30	67.6	↑6.1	最大潮位差
2/20 07:40	73.7	↑6.1	最大潮位差
2/20 07:50	79.6	↑5.9
2/20 08:00	85.4	↑5.8
2/20 08:10	91.0	↑5.6
2/20 08:20	96.4	↑5.4
2/20 08:30	101.5	↑5.1
2/20 08:40	106.3	↑4.8
2/20 08:50	110.7	↑4.4
2/20 09:00	114.8	↑4.1
2/20 09:10	118.5	↑3.7
2/20 09:20	121.7	↑3.2
2/20 09:30	124.5	↑2.8
2/20 09:40	126.8	↑2.3
2/20 09:50	128.6	↑1.8
2/20 10:00	129.9	↑1.3
2/20 10:10	130.7	↑0.8
2/20 10:20	131.0	↑0.3	満潮
2/20 10:30	130.8	↓-0.2
2/20 10:40	130.0	↓-0.8
2/20 10:50	128.8	↓-1.2
2/20 11:00	127.0	↓-1.8
2/20 11:10	124.8	↓-2.2
2/20 11:20	122.1	↓-2.7
2/20 11:30	118.9	↓-3.2
2/20 11:40	115.3	↓-3.6
2/20 11:50	111.3	↓-4.0
2/20 12:00	107.0	↓-4.3
2/20 12:10	102.3	↓-4.7
2/20 12:20	97.3	↓-5.0
2/20 12:30	92.0	↓-5.3
2/20 12:40	86.5	↓-5.5
2/20 12:50	80.9	↓-5.6
2/20 13:00	75.0	↓-5.9
2/20 13:10	69.1	↓-5.9
2/20 13:20	63.1	↓-6.0
2/20 13:30	57.1	↓-6.0
2/20 13:40	51.1	↓-6.0
2/20 13:50	45.2	↓-5.9
2/20 14:00	39.4	↓-5.8
2/20 14:10	33.7	↓-5.7
2/20 14:20	28.3	↓-5.4
2/20 14:30	23.1	↓-5.2
2/20 14:40	18.1	↓-5.0
2/20 14:50	13.5	↓-4.6
2/20 15:00	9.2	↓-4.3
2/20 15:10	5.2	↓-4.0
2/20 15:20	1.7	↓-3.5
2/20 15:30	-1.4	↓-3.1
2/20 15:40	-4.0	↓-2.6
2/20 15:50	-6.2	↓-2.2
2/20 16:00	-7.9	↓-1.7
2/20 16:10	-9.1	↓-1.2
2/20 16:20	-9.9	↓-0.8	干潮
2/20 16:30	-10.1	↓-0.2	干潮
2/20 16:40	-9.8	↑0.3
2/20 16:50	-9.0	↑0.8
2/20 17:00	-7.7	↑1.3
2/20 17:10	-5.9	↑1.8
2/20 17:20	-3.6	↑2.3
2/20 17:30	-0.9	↑2.7
2/20 17:40	2.2	↑3.1
2/20 17:50	5.8	↑3.6
2/20 18:00	9.7	↑3.9
2/20 18:10	14.0	↑4.3
2/20 18:20	18.6	↑4.6
2/20 18:30	23.5	↑4.9
2/20 18:40	28.7	↑5.2
2/20 18:50	34.1	↑5.4
2/20 19:00	39.6	↑5.5
2/20 19:10	45.3	↑5.7
2/20 19:20	51.0	↑5.7
2/20 19:30	56.9	↑5.9
2/20 19:40	62.7	↑5.8
2/20 19:50	68.5	↑5.8
2/20 20:00	74.2	↑5.7
2/20 20:10	79.7	↑5.5
2/20 20:20	85.2	↑5.5
2/20 20:30	90.4	↑5.2
2/20 20:40	95.3	↑4.9
2/20 20:50	100.0	↑4.7
2/20 21:00	104.4	↑4.4
2/20 21:10	108.5	↑4.1
2/20 21:20	112.1	↑3.6
2/20 21:30	115.4	↑3.3
2/20 21:40	118.3	↑2.9
2/20 21:50	120.7	↑2.4
2/20 22:00	122.6	↑1.9
2/20 22:10	124.1	↑1.5
2/20 22:20	125.1	↑1.0
2/20 22:30	125.6	↑0.5	満潮
2/20 22:40	125.6	0
2/20 22:50	125.1	↓-0.5
2/20 23:00	124.1	↓-1.0
2/20 23:10	122.6	↓-1.5
2/20 23:20	120.7	↓-1.9
2/20 23:30	118.3	↓-2.4
2/20 23:40	115.5	↓-2.8
2/20 23:50	112.2	↓-3.3