31 (金)	12:17	05:52	-	18:22
	114cm	9cm	-	29cm
中潮 出 07:29 入 17:23 出 11:26 入 22:50

大河内湾（長崎）2038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	112.0	↓-0.8
12/31 00:10	110.8	↓-1.2
12/31 00:20	109.3	↓-1.5
12/31 00:30	107.5	↓-1.8
12/31 00:40	105.3	↓-2.2
12/31 00:50	102.8	↓-2.5
12/31 01:00	100.1	↓-2.7
12/31 01:10	97.1	↓-3.0
12/31 01:20	93.8	↓-3.3
12/31 01:30	90.3	↓-3.5
12/31 01:40	86.7	↓-3.6
12/31 01:50	82.8	↓-3.9
12/31 02:00	78.8	↓-4.0
12/31 02:10	74.6	↓-4.2
12/31 02:20	70.4	↓-4.2
12/31 02:30	66.1	↓-4.3
12/31 02:40	61.8	↓-4.3
12/31 02:50	57.5	↓-4.3
12/31 03:00	53.1	↓-4.4	最大潮位差
12/31 03:10	48.9	↓-4.2
12/31 03:20	44.7	↓-4.2
12/31 03:30	40.6	↓-4.1
12/31 03:40	36.7	↓-3.9
12/31 03:50	33.0	↓-3.7
12/31 04:00	29.4	↓-3.6
12/31 04:10	26.0	↓-3.4
12/31 04:20	22.9	↓-3.1
12/31 04:30	20.1	↓-2.8
12/31 04:40	17.5	↓-2.6
12/31 04:50	15.3	↓-2.2
12/31 05:00	13.3	↓-2.0
12/31 05:10	11.7	↓-1.6
12/31 05:20	10.4	↓-1.3
12/31 05:30	9.5	↓-0.9
12/31 05:40	8.9	↓-0.6
12/31 05:50	8.6	↓-0.3	干潮
12/31 06:00	8.8	↑0.2
12/31 06:10	9.3	↑0.5
12/31 06:20	10.1	↑0.8
12/31 06:30	11.3	↑1.2
12/31 06:40	12.8	↑1.5
12/31 06:50	14.7	↑1.9
12/31 07:00	16.9	↑2.2
12/31 07:10	19.3	↑2.4
12/31 07:20	22.1	↑2.8
12/31 07:30	25.1	↑3.0
12/31 07:40	28.4	↑3.3
12/31 07:50	31.9	↑3.5
12/31 08:00	35.5	↑3.6
12/31 08:10	39.4	↑3.9
12/31 08:20	43.4	↑4.0
12/31 08:30	47.5	↑4.1
12/31 08:40	51.7	↑4.2
12/31 08:50	56.0	↑4.3
12/31 09:00	60.3	↑4.3
12/31 09:10	64.6	↑4.3
12/31 09:20	68.9	↑4.3
12/31 09:30	73.1	↑4.2
12/31 09:40	77.2	↑4.1
12/31 09:50	81.3	↑4.1
12/31 10:00	85.2	↑3.9
12/31 10:10	88.9	↑3.7
12/31 10:20	92.4	↑3.5
12/31 10:30	95.8	↑3.4
12/31 10:40	98.9	↑3.1
12/31 10:50	101.7	↑2.8
12/31 11:00	104.3	↑2.6
12/31 11:10	106.6	↑2.3
12/31 11:20	108.6	↑2.0
12/31 11:30	110.3	↑1.7
12/31 11:40	111.6	↑1.3
12/31 11:50	112.7	↑1.1
12/31 12:00	113.4	↑0.7
12/31 12:10	113.7	↑0.3	満潮
12/31 12:20	113.8	↑0.1
12/31 12:30	113.5	↓-0.3
12/31 12:40	112.9	↓-0.6
12/31 12:50	111.9	↓-1.0
12/31 13:00	110.7	↓-1.2
12/31 13:10	109.1	↓-1.6
12/31 13:20	107.3	↓-1.8
12/31 13:30	105.2	↓-2.1
12/31 13:40	102.8	↓-2.4
12/31 13:50	100.2	↓-2.6
12/31 14:00	97.4	↓-2.8
12/31 14:10	94.4	↓-3.0
12/31 14:20	91.2	↓-3.2
12/31 14:30	87.9	↓-3.3
12/31 14:40	84.4	↓-3.5
12/31 14:50	80.9	↓-3.5
12/31 15:00	77.3	↓-3.6
12/31 15:10	73.7	↓-3.6
12/31 15:20	70.0	↓-3.7
12/31 15:30	66.4	↓-3.6
12/31 15:40	62.8	↓-3.6
12/31 15:50	59.2	↓-3.6
12/31 16:00	55.8	↓-3.4
12/31 16:10	52.4	↓-3.4
12/31 16:20	49.3	↓-3.1
12/31 16:30	46.2	↓-3.1
12/31 16:40	43.4	↓-2.8
12/31 16:50	40.8	↓-2.6
12/31 17:00	38.4	↓-2.4
12/31 17:10	36.2	↓-2.2
12/31 17:20	34.3	↓-1.9
12/31 17:30	32.6	↓-1.7
12/31 17:40	31.3	↓-1.3
12/31 17:50	30.2	↓-1.1
12/31 18:00	29.4	↓-0.8
12/31 18:10	29.0	↓-0.4
12/31 18:20	28.8	↓-0.2	干潮
12/31 18:30	28.9	↑0.1
12/31 18:40	29.3	↑0.4
12/31 18:50	30.0	↑0.7
12/31 19:00	31.0	↑1.0
12/31 19:10	32.3	↑1.3
12/31 19:20	33.9	↑1.6
12/31 19:30	35.7	↑1.8
12/31 19:40	37.8	↑2.1
12/31 19:50	40.0	↑2.2
12/31 20:00	42.5	↑2.5
12/31 20:10	45.2	↑2.7
12/31 20:20	48.1	↑2.9
12/31 20:30	51.0	↑2.9
12/31 20:40	54.2	↑3.2
12/31 20:50	57.4	↑3.2
12/31 21:00	60.6	↑3.2
12/31 21:10	64.0	↑3.4
12/31 21:20	67.3	↑3.3
12/31 21:30	70.7	↑3.4
12/31 21:40	74.0	↑3.3
12/31 21:50	77.3	↑3.3
12/31 22:00	80.5	↑3.2
12/31 22:10	83.6	↑3.1
12/31 22:20	86.5	↑2.9
12/31 22:30	89.4	↑2.9
12/31 22:40	92.0	↑2.6
12/31 22:50	94.5	↑2.5
12/31 23:00	96.7	↑2.2
12/31 23:10	98.7	↑2.0
12/31 23:20	100.5	↑1.8
12/31 23:30	102.0	↑1.5
12/31 23:40	103.3	↑1.3
12/31 23:50	104.2	↑0.9