31 (土)	09:38	03:16	21:30	15:33
	125cm	-7cm	127cm	20cm
大潮 出 07:29 入 17:23 出 17:53 入 08:02 潮干狩り ○ 14:20～16:46

大河内湾（長崎）2039年12月31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
12/31 00:00	61.4	↓-5.5	最大潮位差
12/31 00:10	55.9	↓-5.5	最大潮位差
12/31 00:20	50.5	↓-5.4
12/31 00:30	45.0	↓-5.5	最大潮位差
12/31 00:40	39.7	↓-5.3
12/31 00:50	34.5	↓-5.2
12/31 01:00	29.5	↓-5.0
12/31 01:10	24.6	↓-4.9
12/31 01:20	20.0	↓-4.6
12/31 01:30	15.7	↓-4.3
12/31 01:40	11.6	↓-4.1
12/31 01:50	7.9	↓-3.7
12/31 02:00	4.5	↓-3.4
12/31 02:10	1.5	↓-3.0
12/31 02:20	-1.1	↓-2.6
12/31 02:30	-3.3	↓-2.2
12/31 02:40	-5.1	↓-1.8
12/31 02:50	-6.5	↓-1.4
12/31 03:00	-7.4	↓-0.9
12/31 03:10	-7.8	↓-0.4	干潮
12/31 03:20	-7.8	0
12/31 03:30	-7.4	↑0.4
12/31 03:40	-6.5	↑0.9
12/31 03:50	-5.1	↑1.4
12/31 04:00	-3.3	↑1.8
12/31 04:10	-1.1	↑2.2
12/31 04:20	1.5	↑2.6
12/31 04:30	4.5	↑3.0
12/31 04:40	7.9	↑3.4
12/31 04:50	11.6	↑3.7
12/31 05:00	15.7	↑4.1
12/31 05:10	20.0	↑4.3
12/31 05:20	24.6	↑4.6
12/31 05:30	29.4	↑4.8
12/31 05:40	34.5	↑5.1
12/31 05:50	39.7	↑5.2
12/31 06:00	45.0	↑5.3
12/31 06:10	50.4	↑5.4
12/31 06:20	55.8	↑5.4
12/31 06:30	61.3	↑5.5	最大潮位差
12/31 06:40	66.7	↑5.4
12/31 06:50	72.1	↑5.4
12/31 07:00	77.4	↑5.3
12/31 07:10	82.6	↑5.2
12/31 07:20	87.6	↑5.0
12/31 07:30	92.4	↑4.8
12/31 07:40	96.9	↑4.5
12/31 07:50	101.2	↑4.3
12/31 08:00	105.2	↑4.0
12/31 08:10	108.9	↑3.7
12/31 08:20	112.3	↑3.4
12/31 08:30	115.3	↑3.0
12/31 08:40	117.9	↑2.6
12/31 08:50	120.1	↑2.2
12/31 09:00	121.9	↑1.8
12/31 09:10	123.3	↑1.4
12/31 09:20	124.3	↑1.0
12/31 09:30	124.8	↑0.5	満潮
12/31 09:40	124.9	↑0.1
12/31 09:50	124.6	↓-0.3
12/31 10:00	123.8	↓-0.8
12/31 10:10	122.6	↓-1.2
12/31 10:20	121.1	↓-1.5
12/31 10:30	119.1	↓-2.0
12/31 10:40	116.8	↓-2.3
12/31 10:50	114.1	↓-2.7
12/31 11:00	111.1	↓-3.0
12/31 11:10	107.8	↓-3.3
12/31 11:20	104.2	↓-3.6
12/31 11:30	100.3	↓-3.9
12/31 11:40	96.3	↓-4.0
12/31 11:50	92.0	↓-4.3
12/31 12:00	87.7	↓-4.3
12/31 12:10	83.1	↓-4.6
12/31 12:20	78.5	↓-4.6
12/31 12:30	73.9	↓-4.6
12/31 12:40	69.3	↓-4.6
12/31 12:50	64.6	↓-4.7
12/31 13:00	60.1	↓-4.5
12/31 13:10	55.6	↓-4.5
12/31 13:20	51.2	↓-4.4
12/31 13:30	47.1	↓-4.1
12/31 13:40	43.1	↓-4.0
12/31 13:50	39.3	↓-3.8
12/31 14:00	35.8	↓-3.5
12/31 14:10	32.6	↓-3.2
12/31 14:20	29.7	↓-2.9
12/31 14:30	27.1	↓-2.6
12/31 14:40	24.9	↓-2.2
12/31 14:50	23.0	↓-1.9
12/31 15:00	21.5	↓-1.5
12/31 15:10	20.4	↓-1.1
12/31 15:20	19.7	↓-0.7
12/31 15:30	19.4	↓-0.3	干潮
12/31 15:40	19.5	↑0.1
12/31 15:50	20.0	↑0.5
12/31 16:00	20.9	↑0.9
12/31 16:10	22.2	↑1.3
12/31 16:20	23.9	↑1.7
12/31 16:30	26.0	↑2.1
12/31 16:40	28.4	↑2.4
12/31 16:50	31.2	↑2.8
12/31 17:00	34.3	↑3.1
12/31 17:10	37.7	↑3.4
12/31 17:20	41.3	↑3.6
12/31 17:30	45.2	↑3.9
12/31 17:40	49.3	↑4.1
12/31 17:50	53.6	↑4.3
12/31 18:00	58.0	↑4.4
12/31 18:10	62.6	↑4.6
12/31 18:20	67.2	↑4.6
12/31 18:30	71.9	↑4.7
12/31 18:40	76.6	↑4.7
12/31 18:50	81.3	↑4.7
12/31 19:00	85.9	↑4.6
12/31 19:10	90.3	↑4.4
12/31 19:20	94.7	↑4.4
12/31 19:30	98.9	↑4.2
12/31 19:40	102.9	↑4.0
12/31 19:50	106.7	↑3.8
12/31 20:00	110.2	↑3.5
12/31 20:10	113.4	↑3.2
12/31 20:20	116.3	↑2.9
12/31 20:30	118.8	↑2.5
12/31 20:40	121.0	↑2.2
12/31 20:50	122.8	↑1.8
12/31 21:00	124.2	↑1.4
12/31 21:10	125.3	↑1.1
12/31 21:20	125.8	↑0.5	満潮
12/31 21:30	126.0	↑0.2	満潮
12/31 21:40	125.7	↓-0.3
12/31 21:50	125.0	↓-0.7
12/31 22:00	123.9	↓-1.1
12/31 22:10	122.3	↓-1.6
12/31 22:20	120.3	↓-2.0
12/31 22:30	117.9	↓-2.4
12/31 22:40	115.2	↓-2.7
12/31 22:50	112.0	↓-3.2
12/31 23:00	108.5	↓-3.5
12/31 23:10	104.7	↓-3.8
12/31 23:20	100.5	↓-4.2
12/31 23:30	96.1	↓-4.4
12/31 23:40	91.4	↓-4.7
12/31 23:50	86.5	↓-4.9