9 (火)	04:37	11:01	17:16	23:05
	142cm	39cm	129cm	51cm
中潮 出 05:16 入 17:56 出 18:40 入 06:34

那珂湊（茨城）2025年09月9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
9/9 00:00	71.8	↑2.2
9/9 00:10	74.3	↑2.5
9/9 00:20	77.0	↑2.7
9/9 00:30	79.8	↑2.8
9/9 00:40	82.8	↑3.0
9/9 00:50	86.0	↑3.2
9/9 01:00	89.2	↑3.2
9/9 01:10	92.5	↑3.3
9/9 01:20	95.9	↑3.4
9/9 01:30	99.3	↑3.4
9/9 01:40	102.8	↑3.5
9/9 01:50	106.2	↑3.4
9/9 02:00	109.6	↑3.4
9/9 02:10	112.9	↑3.3
9/9 02:20	116.1	↑3.2
9/9 02:30	119.3	↑3.2
9/9 02:40	122.3	↑3.0
9/9 02:50	125.1	↑2.8
9/9 03:00	127.8	↑2.7
9/9 03:10	130.3	↑2.5
9/9 03:20	132.6	↑2.3
9/9 03:30	134.6	↑2.0
9/9 03:40	136.4	↑1.8
9/9 03:50	137.9	↑1.5
9/9 04:00	139.2	↑1.3
9/9 04:10	140.2	↑1.0
9/9 04:20	140.8	↑0.6
9/9 04:30	141.2	↑0.4	満潮
9/9 04:40	141.2	0
9/9 04:50	140.9	↓-0.3
9/9 05:00	140.3	↓-0.6
9/9 05:10	139.3	↓-1.0
9/9 05:20	138.1	↓-1.2
9/9 05:30	136.5	↓-1.6
9/9 05:40	134.6	↓-1.9
9/9 05:50	132.4	↓-2.2
9/9 06:00	130.0	↓-2.4
9/9 06:10	127.2	↓-2.8
9/9 06:20	124.2	↓-3.0
9/9 06:30	121.0	↓-3.2
9/9 06:40	117.6	↓-3.4
9/9 06:50	113.9	↓-3.7
9/9 07:00	110.1	↓-3.8
9/9 07:10	106.2	↓-3.9
9/9 07:20	102.1	↓-4.1
9/9 07:30	97.9	↓-4.2	最大潮位差
9/9 07:40	93.7	↓-4.2	最大潮位差
9/9 07:50	89.5	↓-4.2	最大潮位差
9/9 08:00	85.3	↓-4.2	最大潮位差
9/9 08:10	81.1	↓-4.2	最大潮位差
9/9 08:20	76.9	↓-4.2	最大潮位差
9/9 08:30	72.9	↓-4.0
9/9 08:40	68.9	↓-4.0
9/9 08:50	65.2	↓-3.7
9/9 09:00	61.5	↓-3.7
9/9 09:10	58.1	↓-3.4
9/9 09:20	55.0	↓-3.1
9/9 09:30	52.0	↓-3.0
9/9 09:40	49.3	↓-2.7
9/9 09:50	46.9	↓-2.4
9/9 10:00	44.8	↓-2.1
9/9 10:10	43.0	↓-1.8
9/9 10:20	41.5	↓-1.5
9/9 10:30	40.4	↓-1.1
9/9 10:40	39.6	↓-0.8
9/9 10:50	39.1	↓-0.5
9/9 11:00	38.9	↓-0.2	干潮
9/9 11:10	39.1	↑0.2
9/9 11:20	39.6	↑0.5
9/9 11:30	40.4	↑0.8
9/9 11:40	41.6	↑1.2
9/9 11:50	43.0	↑1.4
9/9 12:00	44.7	↑1.7
9/9 12:10	46.7	↑2.0
9/9 12:20	49.0	↑2.3
9/9 12:30	51.5	↑2.5
9/9 12:40	54.2	↑2.7
9/9 12:50	57.1	↑2.9
9/9 13:00	60.2	↑3.1
9/9 13:10	63.4	↑3.2
9/9 13:20	66.8	↑3.4
9/9 13:30	70.3	↑3.5
9/9 13:40	73.9	↑3.6
9/9 13:50	77.6	↑3.7
9/9 14:00	81.3	↑3.7
9/9 14:10	85.0	↑3.7
9/9 14:20	88.7	↑3.7
9/9 14:30	92.3	↑3.6
9/9 14:40	95.9	↑3.6
9/9 14:50	99.4	↑3.5
9/9 15:00	102.8	↑3.4
9/9 15:10	106.1	↑3.3
9/9 15:20	109.2	↑3.1
9/9 15:30	112.2	↑3.0
9/9 15:40	114.9	↑2.7
9/9 15:50	117.5	↑2.6
9/9 16:00	119.8	↑2.3
9/9 16:10	121.8	↑2.0
9/9 16:20	123.6	↑1.8
9/9 16:30	125.2	↑1.6
9/9 16:40	126.4	↑1.2
9/9 16:50	127.3	↑0.9
9/9 17:00	128.0	↑0.7
9/9 17:10	128.3	↑0.3	満潮
9/9 17:20	128.3	0
9/9 17:30	128.0	↓-0.3
9/9 17:40	127.4	↓-0.6
9/9 17:50	126.4	↓-1.0
9/9 18:00	125.2	↓-1.2
9/9 18:10	123.7	↓-1.5
9/9 18:20	121.9	↓-1.8
9/9 18:30	119.8	↓-2.1
9/9 18:40	117.5	↓-2.3
9/9 18:50	115.0	↓-2.5
9/9 19:00	112.2	↓-2.8
9/9 19:10	109.3	↓-2.9
9/9 19:20	106.2	↓-3.1
9/9 19:30	102.9	↓-3.3
9/9 19:40	99.5	↓-3.4
9/9 19:50	96.1	↓-3.4
9/9 20:00	92.6	↓-3.5
9/9 20:10	89.1	↓-3.5
9/9 20:20	85.5	↓-3.6
9/9 20:30	82.0	↓-3.5
9/9 20:40	78.6	↓-3.4
9/9 20:50	75.2	↓-3.4
9/9 21:00	72.0	↓-3.2
9/9 21:10	68.9	↓-3.1
9/9 21:20	66.0	↓-2.9
9/9 21:30	63.2	↓-2.8
9/9 21:40	60.7	↓-2.5
9/9 21:50	58.4	↓-2.3
9/9 22:00	56.4	↓-2.0
9/9 22:10	54.6	↓-1.8
9/9 22:20	53.1	↓-1.5
9/9 22:30	51.9	↓-1.2
9/9 22:40	51.0	↓-0.9
9/9 22:50	50.4	↓-0.6
9/9 23:00	50.1	↓-0.3	干潮
9/9 23:10	50.1	0
9/9 23:20	50.4	↑0.3
9/9 23:30	51.1	↑0.7
9/9 23:40	52.0	↑0.9
9/9 23:50	53.3	↑1.3