31 (水)	06:44	00:16	18:33	12:33
	100cm	20cm	108cm	40cm
中潮 出 07:29 入 17:23 出 14:01 入 03:46

大河内湾（長崎）2025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	19.9	↓-0.5
12/31 00:10	19.6	↓-0.3	干潮
12/31 00:20	19.6	0
12/31 00:30	19.9	↑0.3
12/31 00:40	20.4	↑0.5
12/31 00:50	21.2	↑0.8
12/31 01:00	22.3	↑1.1
12/31 01:10	23.6	↑1.3
12/31 01:20	25.1	↑1.5
12/31 01:30	26.9	↑1.8
12/31 01:40	28.9	↑2.0
12/31 01:50	31.0	↑2.1
12/31 02:00	33.4	↑2.4
12/31 02:10	35.9	↑2.5
12/31 02:20	38.6	↑2.7
12/31 02:30	41.4	↑2.8
12/31 02:40	44.4	↑3.0
12/31 02:50	47.4	↑3.0
12/31 03:00	50.6	↑3.2
12/31 03:10	53.7	↑3.1
12/31 03:20	56.9	↑3.2
12/31 03:30	60.2	↑3.3
12/31 03:40	63.4	↑3.2
12/31 03:50	66.6	↑3.2
12/31 04:00	69.7	↑3.1
12/31 04:10	72.8	↑3.1
12/31 04:20	75.8	↑3.0
12/31 04:30	78.7	↑2.9
12/31 04:40	81.4	↑2.7
12/31 04:50	84.0	↑2.6
12/31 05:00	86.4	↑2.4
12/31 05:10	88.7	↑2.3
12/31 05:20	90.8	↑2.1
12/31 05:30	92.6	↑1.8
12/31 05:40	94.3	↑1.7
12/31 05:50	95.7	↑1.4
12/31 06:00	96.9	↑1.2
12/31 06:10	97.8	↑0.9
12/31 06:20	98.5	↑0.7
12/31 06:30	99.0	↑0.5
12/31 06:40	99.2	↑0.2	満潮
12/31 06:50	99.1	↓-0.1
12/31 07:00	98.8	↓-0.3
12/31 07:10	98.3	↓-0.5
12/31 07:20	97.5	↓-0.8
12/31 07:30	96.5	↓-1.0
12/31 07:40	95.3	↓-1.2
12/31 07:50	93.9	↓-1.4
12/31 08:00	92.3	↓-1.6
12/31 08:10	90.4	↓-1.9
12/31 08:20	88.5	↓-1.9
12/31 08:30	86.3	↓-2.2
12/31 08:40	84.1	↓-2.2
12/31 08:50	81.7	↓-2.4
12/31 09:00	79.2	↓-2.5
12/31 09:10	76.6	↓-2.6
12/31 09:20	74.0	↓-2.6
12/31 09:30	71.4	↓-2.6
12/31 09:40	68.7	↓-2.7
12/31 09:50	66.0	↓-2.7
12/31 10:00	63.4	↓-2.6
12/31 10:10	60.8	↓-2.6
12/31 10:20	58.3	↓-2.5
12/31 10:30	55.9	↓-2.4
12/31 10:40	53.5	↓-2.4
12/31 10:50	51.3	↓-2.2
12/31 11:00	49.3	↓-2.0
12/31 11:10	47.4	↓-1.9
12/31 11:20	45.7	↓-1.7
12/31 11:30	44.1	↓-1.6
12/31 11:40	42.8	↓-1.3
12/31 11:50	41.7	↓-1.1
12/31 12:00	40.8	↓-0.9
12/31 12:10	40.1	↓-0.7
12/31 12:20	39.7	↓-0.4
12/31 12:30	39.5	↓-0.2	干潮
12/31 12:40	39.6	↑0.1
12/31 12:50	39.9	↑0.3
12/31 13:00	40.5	↑0.6
12/31 13:10	41.3	↑0.8
12/31 13:20	42.3	↑1.0
12/31 13:30	43.6	↑1.3
12/31 13:40	45.1	↑1.5
12/31 13:50	46.8	↑1.7
12/31 14:00	48.7	↑1.9
12/31 14:10	50.7	↑2.0
12/31 14:20	53.0	↑2.3
12/31 14:30	55.4	↑2.4
12/31 14:40	58.0	↑2.6
12/31 14:50	60.6	↑2.6
12/31 15:00	63.4	↑2.8
12/31 15:10	66.3	↑2.9
12/31 15:20	69.2	↑2.9
12/31 15:30	72.1	↑2.9
12/31 15:40	75.1	↑3.0
12/31 15:50	78.0	↑2.9
12/31 16:00	81.0	↑3.0
12/31 16:10	83.9	↑2.9
12/31 16:20	86.7	↑2.8
12/31 16:30	89.4	↑2.7
12/31 16:40	92.0	↑2.6
12/31 16:50	94.4	↑2.4
12/31 17:00	96.7	↑2.3
12/31 17:10	98.8	↑2.1
12/31 17:20	100.8	↑2.0
12/31 17:30	102.5	↑1.7
12/31 17:40	104.0	↑1.5
12/31 17:50	105.2	↑1.2
12/31 18:00	106.2	↑1.0
12/31 18:10	106.9	↑0.7
12/31 18:20	107.4	↑0.5
12/31 18:30	107.6	↑0.2	満潮
12/31 18:40	107.5	↓-0.1
12/31 18:50	107.1	↓-0.4
12/31 19:00	106.5	↓-0.6
12/31 19:10	105.5	↓-1.0
12/31 19:20	104.3	↓-1.2
12/31 19:30	102.8	↓-1.5
12/31 19:40	101.0	↓-1.8
12/31 19:50	99.0	↓-2.0
12/31 20:00	96.7	↓-2.3
12/31 20:10	94.2	↓-2.5
12/31 20:20	91.5	↓-2.7
12/31 20:30	88.6	↓-2.9
12/31 20:40	85.4	↓-3.2
12/31 20:50	82.1	↓-3.3
12/31 21:00	78.7	↓-3.4
12/31 21:10	75.1	↓-3.6
12/31 21:20	71.5	↓-3.6
12/31 21:30	67.7	↓-3.8
12/31 21:40	63.9	↓-3.8
12/31 21:50	60.0	↓-3.9	最大潮位差
12/31 22:00	56.2	↓-3.8
12/31 22:10	52.3	↓-3.9	最大潮位差
12/31 22:20	48.5	↓-3.8
12/31 22:30	44.8	↓-3.7
12/31 22:40	41.2	↓-3.6
12/31 22:50	37.6	↓-3.6
12/31 23:00	34.2	↓-3.4
12/31 23:10	31.0	↓-3.2
12/31 23:20	28.0	↓-3.0
12/31 23:30	25.1	↓-2.9
12/31 23:40	22.5	↓-2.6
12/31 23:50	20.1	↓-2.4