18 (木)	08:44	02:25	20:43	14:44
	120cm	-8cm	122cm	8cm
大潮 出 07:05 入 18:09 出 16:33 入 05:59 潮干狩り ◎ 12:56～16:30

大河内湾（長崎）2038年02月18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
2/18 00:00	30.9	↓-4.9
2/18 00:10	26.2	↓-4.7
2/18 00:20	21.7	↓-4.5
2/18 00:30	17.4	↓-4.3
2/18 00:40	13.4	↓-4.0
2/18 00:50	9.6	↓-3.8
2/18 01:00	6.1	↓-3.5
2/18 01:10	2.9	↓-3.2
2/18 01:20	0.1	↓-2.8
2/18 01:30	-2.3	↓-2.4
2/18 01:40	-4.4	↓-2.1
2/18 01:50	-6.0	↓-1.6
2/18 02:00	-7.2	↓-1.2
2/18 02:10	-8.1	↓-0.9
2/18 02:20	-8.4	↓-0.3	干潮
2/18 02:30	-8.4	0
2/18 02:40	-7.9	↑0.5
2/18 02:50	-7.0	↑0.9
2/18 03:00	-5.6	↑1.4
2/18 03:10	-3.9	↑1.7
2/18 03:20	-1.7	↑2.2
2/18 03:30	0.8	↑2.5
2/18 03:40	3.8	↑3.0
2/18 03:50	7.1	↑3.3
2/18 04:00	10.7	↑3.6
2/18 04:10	14.6	↑3.9
2/18 04:20	18.8	↑4.2
2/18 04:30	23.3	↑4.5
2/18 04:40	28.0	↑4.7
2/18 04:50	32.9	↑4.9
2/18 05:00	37.9	↑5.0
2/18 05:10	43.0	↑5.1
2/18 05:20	48.3	↑5.3
2/18 05:30	53.6	↑5.3
2/18 05:40	58.8	↑5.2
2/18 05:50	64.1	↑5.3
2/18 06:00	69.3	↑5.2
2/18 06:10	74.4	↑5.1
2/18 06:20	79.4	↑5.0
2/18 06:30	84.2	↑4.8
2/18 06:40	88.8	↑4.6
2/18 06:50	93.2	↑4.4
2/18 07:00	97.3	↑4.1
2/18 07:10	101.2	↑3.9
2/18 07:20	104.7	↑3.5
2/18 07:30	107.9	↑3.2
2/18 07:40	110.7	↑2.8
2/18 07:50	113.1	↑2.4
2/18 08:00	115.1	↑2.0
2/18 08:10	116.8	↑1.7
2/18 08:20	118.0	↑1.2
2/18 08:30	118.7	↑0.7
2/18 08:40	119.1	↑0.4	満潮
2/18 08:50	119.0	↓-0.1
2/18 09:00	118.5	↓-0.5
2/18 09:10	117.5	↓-1.0
2/18 09:20	116.2	↓-1.3
2/18 09:30	114.4	↓-1.8
2/18 09:40	112.2	↓-2.2
2/18 09:50	109.7	↓-2.5
2/18 10:00	106.8	↓-2.9
2/18 10:10	103.6	↓-3.2
2/18 10:20	100.1	↓-3.5
2/18 10:30	96.3	↓-3.8
2/18 10:40	92.2	↓-4.1
2/18 10:50	88.0	↓-4.2
2/18 11:00	83.5	↓-4.5
2/18 11:10	78.9	↓-4.6
2/18 11:20	74.2	↓-4.7
2/18 11:30	69.3	↓-4.9
2/18 11:40	64.5	↓-4.8
2/18 11:50	59.6	↓-4.9
2/18 12:00	54.8	↓-4.8
2/18 12:10	50.0	↓-4.8
2/18 12:20	45.3	↓-4.7
2/18 12:30	40.8	↓-4.5
2/18 12:40	36.4	↓-4.4
2/18 12:50	32.3	↓-4.1
2/18 13:00	28.3	↓-4.0
2/18 13:10	24.7	↓-3.6
2/18 13:20	21.3	↓-3.4
2/18 13:30	18.2	↓-3.1
2/18 13:40	15.5	↓-2.7
2/18 13:50	13.2	↓-2.3
2/18 14:00	11.2	↓-2.0
2/18 14:10	9.6	↓-1.6
2/18 14:20	8.4	↓-1.2
2/18 14:30	7.7	↓-0.7
2/18 14:40	7.4	↓-0.3	干潮
2/18 14:50	7.4	0
2/18 15:00	8.0	↑0.6
2/18 15:10	8.9	↑0.9
2/18 15:20	10.3	↑1.4
2/18 15:30	12.0	↑1.7
2/18 15:40	14.2	↑2.2
2/18 15:50	16.7	↑2.5
2/18 16:00	19.6	↑2.9
2/18 16:10	22.9	↑3.3
2/18 16:20	26.4	↑3.5
2/18 16:30	30.3	↑3.9
2/18 16:40	34.4	↑4.1
2/18 16:50	38.7	↑4.3
2/18 17:00	43.2	↑4.5
2/18 17:10	47.9	↑4.7
2/18 17:20	52.7	↑4.8
2/18 17:30	57.6	↑4.9
2/18 17:40	62.6	↑5.0
2/18 17:50	67.6	↑5.0
2/18 18:00	72.5	↑4.9
2/18 18:10	77.4	↑4.9
2/18 18:20	82.2	↑4.8
2/18 18:30	86.9	↑4.7
2/18 18:40	91.4	↑4.5
2/18 18:50	95.7	↑4.3
2/18 19:00	99.8	↑4.1
2/18 19:10	103.6	↑3.8
2/18 19:20	107.1	↑3.5
2/18 19:30	110.2	↑3.1
2/18 19:40	113.1	↑2.9
2/18 19:50	115.5	↑2.4
2/18 20:00	117.5	↑2.0
2/18 20:10	119.2	↑1.7
2/18 20:20	120.4	↑1.2
2/18 20:30	121.1	↑0.7
2/18 20:40	121.5	↑0.4	満潮
2/18 20:50	121.3	↓-0.2
2/18 21:00	120.7	↓-0.6
2/18 21:10	119.7	↓-1.0
2/18 21:20	118.2	↓-1.5
2/18 21:30	116.3	↓-1.9
2/18 21:40	113.9	↓-2.4
2/18 21:50	111.2	↓-2.7
2/18 22:00	108.0	↓-3.2
2/18 22:10	104.5	↓-3.5
2/18 22:20	100.6	↓-3.9
2/18 22:30	96.3	↓-4.3
2/18 22:40	91.8	↓-4.5
2/18 22:50	87.0	↓-4.8
2/18 23:00	82.0	↓-5.0
2/18 23:10	76.8	↓-5.2
2/18 23:20	71.4	↓-5.4
2/18 23:30	65.9	↓-5.5
2/18 23:40	60.3	↓-5.6
2/18 23:50	54.6	↓-5.7	最大潮位差