20 (土)	08:48	02:31	20:49	14:49
	122cm	-9cm	124cm	4cm
大潮 出 07:03 入 18:11 出 17:27 入 06:24 潮干狩り ◎ 12:56～16:41

大河内湾（長崎）2027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	34.5	↓-5.0
2/20 00:10	29.6	↓-4.9
2/20 00:20	24.8	↓-4.8
2/20 00:30	20.3	↓-4.5
2/20 00:40	15.9	↓-4.4
2/20 00:50	11.9	↓-4.0
2/20 01:00	8.1	↓-3.8
2/20 01:10	4.6	↓-3.5
2/20 01:20	1.5	↓-3.1
2/20 01:30	-1.2	↓-2.7
2/20 01:40	-3.6	↓-2.4
2/20 01:50	-5.6	↓-2.0
2/20 02:00	-7.1	↓-1.5
2/20 02:10	-8.2	↓-1.1
2/20 02:20	-8.9	↓-0.7
2/20 02:30	-9.1	↓-0.2	干潮
2/20 02:40	-8.9	↑0.2
2/20 02:50	-8.3	↑0.6
2/20 03:00	-7.2	↑1.1
2/20 03:10	-5.6	↑1.6
2/20 03:20	-3.7	↑1.9
2/20 03:30	-1.3	↑2.4
2/20 03:40	1.5	↑2.8
2/20 03:50	4.6	↑3.1
2/20 04:00	8.1	↑3.5
2/20 04:10	12.0	↑3.9
2/20 04:20	16.1	↑4.1
2/20 04:30	20.6	↑4.5
2/20 04:40	25.3	↑4.7
2/20 04:50	30.2	↑4.9
2/20 05:00	35.2	↑5.0
2/20 05:10	40.4	↑5.2
2/20 05:20	45.8	↑5.4
2/20 05:30	51.2	↑5.4
2/20 05:40	56.6	↑5.4
2/20 05:50	62.1	↑5.5
2/20 06:00	67.5	↑5.4
2/20 06:10	72.8	↑5.3
2/20 06:20	78.0	↑5.2
2/20 06:30	83.0	↑5.0
2/20 06:40	87.9	↑4.9
2/20 06:50	92.5	↑4.6
2/20 07:00	96.9	↑4.4
2/20 07:10	101.0	↑4.1
2/20 07:20	104.8	↑3.8
2/20 07:30	108.2	↑3.4
2/20 07:40	111.3	↑3.1
2/20 07:50	114.0	↑2.7
2/20 08:00	116.3	↑2.3
2/20 08:10	118.2	↑1.9
2/20 08:20	119.6	↑1.4
2/20 08:30	120.6	↑1.0
2/20 08:40	121.2	↑0.6	満潮
2/20 08:50	121.3	↑0.1
2/20 09:00	121.0	↓-0.3
2/20 09:10	120.2	↓-0.8
2/20 09:20	119.0	↓-1.2
2/20 09:30	117.3	↓-1.7
2/20 09:40	115.2	↓-2.1
2/20 09:50	112.8	↓-2.4
2/20 10:00	109.9	↓-2.9
2/20 10:10	106.7	↓-3.2
2/20 10:20	103.2	↓-3.5
2/20 10:30	99.4	↓-3.8
2/20 10:40	95.2	↓-4.2
2/20 10:50	90.9	↓-4.3
2/20 11:00	86.3	↓-4.6
2/20 11:10	81.6	↓-4.7
2/20 11:20	76.7	↓-4.9
2/20 11:30	71.6	↓-5.1
2/20 11:40	66.6	↓-5.0
2/20 11:50	61.5	↓-5.1
2/20 12:00	56.4	↓-5.1
2/20 12:10	51.3	↓-5.1
2/20 12:20	46.4	↓-4.9
2/20 12:30	41.5	↓-4.9
2/20 12:40	36.9	↓-4.6
2/20 12:50	32.4	↓-4.5
2/20 13:00	28.1	↓-4.3
2/20 13:10	24.1	↓-4.0
2/20 13:20	20.4	↓-3.7
2/20 13:30	17.0	↓-3.4
2/20 13:40	14.0	↓-3.0
2/20 13:50	11.3	↓-2.7
2/20 14:00	9.0	↓-2.3
2/20 14:10	7.1	↓-1.9
2/20 14:20	5.6	↓-1.5
2/20 14:30	4.6	↓-1.0
2/20 14:40	4.0	↓-0.6	干潮
2/20 14:50	3.8	↓-0.2
2/20 15:00	4.1	↑0.3
2/20 15:10	4.9	↑0.8
2/20 15:20	6.0	↑1.1
2/20 15:30	7.7	↑1.7
2/20 15:40	9.7	↑2.0
2/20 15:50	12.1	↑2.4
2/20 16:00	14.9	↑2.8
2/20 16:10	18.1	↑3.2
2/20 16:20	21.6	↑3.5
2/20 16:30	25.5	↑3.9
2/20 16:40	29.6	↑4.1
2/20 16:50	34.0	↑4.4
2/20 17:00	38.6	↑4.6
2/20 17:10	43.4	↑4.8
2/20 17:20	48.4	↑5.0
2/20 17:30	53.5	↑5.1
2/20 17:40	58.6	↑5.1
2/20 17:50	63.8	↑5.2
2/20 18:00	69.0	↑5.2
2/20 18:10	74.2	↑5.2
2/20 18:20	79.3	↑5.1
2/20 18:30	84.2	↑4.9
2/20 18:40	89.0	↑4.8
2/20 18:50	93.6	↑4.6
2/20 19:00	98.0	↑4.4
2/20 19:10	102.2	↑4.2
2/20 19:20	106.0	↑3.8
2/20 19:30	109.5	↑3.5
2/20 19:40	112.7	↑3.2
2/20 19:50	115.5	↑2.8
2/20 20:00	117.9	↑2.4
2/20 20:10	119.8	↑1.9
2/20 20:20	121.4	↑1.6
2/20 20:30	122.5	↑1.1
2/20 20:40	123.1	↑0.6	満潮
2/20 20:50	123.2	↑0.1
2/20 21:00	122.9	↓-0.3
2/20 21:10	122.1	↓-0.8
2/20 21:20	120.9	↓-1.2
2/20 21:30	119.2	↓-1.7
2/20 21:40	117.0	↓-2.2
2/20 21:50	114.4	↓-2.6
2/20 22:00	111.4	↓-3.0
2/20 22:10	108.0	↓-3.4
2/20 22:20	104.2	↓-3.8
2/20 22:30	100.1	↓-4.1
2/20 22:40	95.6	↓-4.5
2/20 22:50	90.8	↓-4.8
2/20 23:00	85.8	↓-5.0
2/20 23:10	80.6	↓-5.2
2/20 23:20	75.2	↓-5.4
2/20 23:30	69.6	↓-5.6
2/20 23:40	63.9	↓-5.7
2/20 23:50	58.1	↓-5.8	最大潮位差