20 (金)	10:49	04:39	23:04	16:59
	128cm	-10cm	121cm	-6cm
中潮 出 07:03 入 18:11 出 08:22 入 21:07 潮干狩り ◎ 14:49～18:11

大河内湾（長崎）2026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	107.5	↓-3.8
2/20 00:10	103.3	↓-4.2
2/20 00:20	98.7	↓-4.6
2/20 00:30	93.9	↓-4.8
2/20 00:40	88.8	↓-5.1
2/20 00:50	83.5	↓-5.3
2/20 01:00	78.0	↓-5.5
2/20 01:10	72.4	↓-5.6
2/20 01:20	66.6	↓-5.8
2/20 01:30	60.8	↓-5.8
2/20 01:40	55.0	↓-5.8
2/20 01:50	49.2	↓-5.8
2/20 02:00	43.4	↓-5.8
2/20 02:10	37.8	↓-5.6
2/20 02:20	32.3	↓-5.5
2/20 02:30	27.0	↓-5.3
2/20 02:40	21.9	↓-5.1
2/20 02:50	17.1	↓-4.8
2/20 03:00	12.6	↓-4.5
2/20 03:10	8.4	↓-4.2
2/20 03:20	4.6	↓-3.8
2/20 03:30	1.2	↓-3.4
2/20 03:40	-1.8	↓-3.0
2/20 03:50	-4.4	↓-2.6
2/20 04:00	-6.5	↓-2.1
2/20 04:10	-8.2	↓-1.7
2/20 04:20	-9.3	↓-1.1
2/20 04:30	-10.0	↓-0.7	干潮
2/20 04:40	-10.2	↓-0.2
2/20 04:50	-9.8	↑0.4
2/20 05:00	-9.0	↑0.8
2/20 05:10	-7.7	↑1.3
2/20 05:20	-5.9	↑1.8
2/20 05:30	-3.6	↑2.3
2/20 05:40	-0.9	↑2.7
2/20 05:50	2.2	↑3.1
2/20 06:00	5.8	↑3.6
2/20 06:10	9.7	↑3.9
2/20 06:20	14.0	↑4.3
2/20 06:30	18.6	↑4.6
2/20 06:40	23.5	↑4.9
2/20 06:50	28.7	↑5.2
2/20 07:00	34.1	↑5.4
2/20 07:10	39.6	↑5.5
2/20 07:20	45.3	↑5.7
2/20 07:30	51.1	↑5.8
2/20 07:40	57.0	↑5.9	最大潮位差
2/20 07:50	62.8	↑5.8
2/20 08:00	68.7	↑5.9	最大潮位差
2/20 08:10	74.4	↑5.7
2/20 08:20	80.1	↑5.7
2/20 08:30	85.6	↑5.5
2/20 08:40	90.9	↑5.3
2/20 08:50	95.9	↑5.0
2/20 09:00	100.7	↑4.8
2/20 09:10	105.2	↑4.5
2/20 09:20	109.4	↑4.2
2/20 09:30	113.2	↑3.8
2/20 09:40	116.6	↑3.4
2/20 09:50	119.6	↑3.0
2/20 10:00	122.1	↑2.5
2/20 10:10	124.2	↑2.1
2/20 10:20	125.9	↑1.7
2/20 10:30	127.0	↑1.1
2/20 10:40	127.7	↑0.7	満潮
2/20 10:50	127.8	↑0.1
2/20 11:00	127.5	↓-0.3
2/20 11:10	126.7	↓-0.8
2/20 11:20	125.4	↓-1.3
2/20 11:30	123.7	↓-1.7
2/20 11:40	121.4	↓-2.3
2/20 11:50	118.8	↓-2.6
2/20 12:00	115.7	↓-3.1
2/20 12:10	112.2	↓-3.5
2/20 12:20	108.3	↓-3.9
2/20 12:30	104.1	↓-4.2
2/20 12:40	99.6	↓-4.5
2/20 12:50	94.8	↓-4.8
2/20 13:00	89.7	↓-5.1
2/20 13:10	84.4	↓-5.3
2/20 13:20	79.0	↓-5.4
2/20 13:30	73.4	↓-5.6
2/20 13:40	67.8	↓-5.6
2/20 13:50	62.1	↓-5.7
2/20 14:00	56.4	↓-5.7
2/20 14:10	50.7	↓-5.7
2/20 14:20	45.1	↓-5.6
2/20 14:30	39.6	↓-5.5
2/20 14:40	34.3	↓-5.3
2/20 14:50	29.1	↓-5.2
2/20 15:00	24.2	↓-4.9
2/20 15:10	19.5	↓-4.7
2/20 15:20	15.2	↓-4.3
2/20 15:30	11.2	↓-4.0
2/20 15:40	7.5	↓-3.7
2/20 15:50	4.2	↓-3.3
2/20 16:00	1.4	↓-2.8
2/20 16:10	-1.1	↓-2.5
2/20 16:20	-3.1	↓-2.0
2/20 16:30	-4.7	↓-1.6
2/20 16:40	-5.7	↓-1.0
2/20 16:50	-6.3	↓-0.6	干潮
2/20 17:00	-6.5	↓-0.2
2/20 17:10	-6.1	↑0.4
2/20 17:20	-5.3	↑0.8
2/20 17:30	-4.0	↑1.3
2/20 17:40	-2.3	↑1.7
2/20 17:50	-0.1	↑2.2
2/20 18:00	2.5	↑2.6
2/20 18:10	5.5	↑3.0
2/20 18:20	8.9	↑3.4
2/20 18:30	12.7	↑3.8
2/20 18:40	16.7	↑4.0
2/20 18:50	21.1	↑4.4
2/20 19:00	25.8	↑4.7
2/20 19:10	30.6	↑4.8
2/20 19:20	35.7	↑5.1
2/20 19:30	40.9	↑5.2
2/20 19:40	46.3	↑5.4
2/20 19:50	51.7	↑5.4
2/20 20:00	57.1	↑5.4
2/20 20:10	62.6	↑5.5
2/20 20:20	68.0	↑5.4
2/20 20:30	73.3	↑5.3
2/20 20:40	78.5	↑5.2
2/20 20:50	83.5	↑5.0
2/20 21:00	88.4	↑4.9
2/20 21:10	93.0	↑4.6
2/20 21:20	97.3	↑4.3
2/20 21:30	101.4	↑4.1
2/20 21:40	105.1	↑3.7
2/20 21:50	108.5	↑3.4
2/20 22:00	111.5	↑3.0
2/20 22:10	114.1	↑2.6
2/20 22:20	116.3	↑2.2
2/20 22:30	118.0	↑1.7
2/20 22:40	119.3	↑1.3
2/20 22:50	120.2	↑0.9
2/20 23:00	120.5	↑0.3	満潮
2/20 23:10	120.5	0
2/20 23:20	119.9	↓-0.6
2/20 23:30	119.0	↓-0.9
2/20 23:40	117.5	↓-1.5
2/20 23:50	115.6	↓-1.9