9 (木)	05:33	11:08	16:41	23:24
	138cm	72cm	130cm	18cm
中潮 出 05:40 入 17:11 出 18:16 入 07:53

那珂湊（茨城）2025年10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
10/9 00:00	33.7	↑2.4
10/9 00:10	36.3	↑2.6
10/9 00:20	39.3	↑3.0
10/9 00:30	42.4	↑3.1
10/9 00:40	45.8	↑3.4
10/9 00:50	49.4	↑3.6
10/9 01:00	53.2	↑3.8
10/9 01:10	57.2	↑4.0
10/9 01:20	61.2	↑4.0
10/9 01:30	65.4	↑4.2
10/9 01:40	69.7	↑4.3
10/9 01:50	74.0	↑4.3
10/9 02:00	78.4	↑4.4
10/9 02:10	82.8	↑4.4
10/9 02:20	87.2	↑4.4
10/9 02:30	91.5	↑4.3
10/9 02:40	95.7	↑4.2
10/9 02:50	99.9	↑4.2
10/9 03:00	103.9	↑4.0
10/9 03:10	107.8	↑3.9
10/9 03:20	111.6	↑3.8
10/9 03:30	115.1	↑3.5
10/9 03:40	118.5	↑3.4
10/9 03:50	121.6	↑3.1
10/9 04:00	124.5	↑2.9
10/9 04:10	127.2	↑2.7
10/9 04:20	129.6	↑2.4
10/9 04:30	131.6	↑2.0
10/9 04:40	133.4	↑1.8
10/9 04:50	134.9	↑1.5
10/9 05:00	136.1	↑1.2
10/9 05:10	137.0	↑0.9
10/9 05:20	137.6	↑0.6
10/9 05:30	137.8	↑0.2	満潮
10/9 05:40	137.7	↓-0.1
10/9 05:50	137.3	↓-0.4
10/9 06:00	136.6	↓-0.7
10/9 06:10	135.6	↓-1.0
10/9 06:20	134.4	↓-1.2
10/9 06:30	132.8	↓-1.6
10/9 06:40	131.0	↓-1.8
10/9 06:50	129.0	↓-2.0
10/9 07:00	126.7	↓-2.3
10/9 07:10	124.3	↓-2.4
10/9 07:20	121.7	↓-2.6
10/9 07:30	118.9	↓-2.8
10/9 07:40	116.0	↓-2.9
10/9 07:50	113.0	↓-3.0
10/9 08:00	110.0	↓-3.0
10/9 08:10	106.9	↓-3.1
10/9 08:20	103.8	↓-3.1
10/9 08:30	100.7	↓-3.1
10/9 08:40	97.6	↓-3.1
10/9 08:50	94.7	↓-2.9
10/9 09:00	91.8	↓-2.9
10/9 09:10	89.0	↓-2.8
10/9 09:20	86.4	↓-2.6
10/9 09:30	84.0	↓-2.4
10/9 09:40	81.7	↓-2.3
10/9 09:50	79.6	↓-2.1
10/9 10:00	77.8	↓-1.8
10/9 10:10	76.2	↓-1.6
10/9 10:20	74.8	↓-1.4
10/9 10:30	73.7	↓-1.1
10/9 10:40	72.8	↓-0.9
10/9 10:50	72.2	↓-0.6
10/9 11:00	71.9	↓-0.3	干潮
10/9 11:10	71.9	0
10/9 11:20	72.1	↑0.2
10/9 11:30	72.5	↑0.4
10/9 11:40	73.3	↑0.8
10/9 11:50	74.2	↑0.9
10/9 12:00	75.4	↑1.2
10/9 12:10	76.8	↑1.4
10/9 12:20	78.5	↑1.7
10/9 12:30	80.3	↑1.8
10/9 12:40	82.3	↑2.0
10/9 12:50	84.4	↑2.1
10/9 13:00	86.7	↑2.3
10/9 13:10	89.1	↑2.4
10/9 13:20	91.6	↑2.5
10/9 13:30	94.2	↑2.6
10/9 13:40	96.9	↑2.7
10/9 13:50	99.5	↑2.6
10/9 14:00	102.2	↑2.7
10/9 14:10	104.9	↑2.7
10/9 14:20	107.6	↑2.7
10/9 14:30	110.2	↑2.6
10/9 14:40	112.7	↑2.5
10/9 14:50	115.1	↑2.4
10/9 15:00	117.4	↑2.3
10/9 15:10	119.6	↑2.2
10/9 15:20	121.6	↑2.0
10/9 15:30	123.4	↑1.8
10/9 15:40	125.1	↑1.7
10/9 15:50	126.5	↑1.4
10/9 16:00	127.7	↑1.2
10/9 16:10	128.7	↑1.0
10/9 16:20	129.4	↑0.7
10/9 16:30	129.8	↑0.4
10/9 16:40	130.0	↑0.2	満潮
10/9 16:50	129.8	↓-0.2
10/9 17:00	129.4	↓-0.4
10/9 17:10	128.7	↓-0.7
10/9 17:20	127.7	↓-1.0
10/9 17:30	126.3	↓-1.4
10/9 17:40	124.7	↓-1.6
10/9 17:50	122.8	↓-1.9
10/9 18:00	120.5	↓-2.3
10/9 18:10	118.0	↓-2.5
10/9 18:20	115.3	↓-2.7
10/9 18:30	112.2	↓-3.1
10/9 18:40	108.9	↓-3.3
10/9 18:50	105.4	↓-3.5
10/9 19:00	101.7	↓-3.7
10/9 19:10	97.8	↓-3.9
10/9 19:20	93.7	↓-4.1
10/9 19:30	89.5	↓-4.2
10/9 19:40	85.2	↓-4.3
10/9 19:50	80.8	↓-4.4
10/9 20:00	76.3	↓-4.5	最大潮位差
10/9 20:10	71.8	↓-4.5	最大潮位差
10/9 20:20	67.3	↓-4.5	最大潮位差
10/9 20:30	62.9	↓-4.4
10/9 20:40	58.5	↓-4.4
10/9 20:50	54.2	↓-4.3
10/9 21:00	50.0	↓-4.2
10/9 21:10	46.0	↓-4.0
10/9 21:20	42.1	↓-3.9
10/9 21:30	38.4	↓-3.7
10/9 21:40	35.0	↓-3.4
10/9 21:50	31.8	↓-3.2
10/9 22:00	28.9	↓-2.9
10/9 22:10	26.3	↓-2.6
10/9 22:20	24.0	↓-2.3
10/9 22:30	22.0	↓-2.0
10/9 22:40	20.3	↓-1.7
10/9 22:50	19.0	↓-1.3
10/9 23:00	18.0	↓-1.0
10/9 23:10	17.4	↓-0.6
10/9 23:20	17.1	↓-0.3	干潮
10/9 23:30	17.1	0
10/9 23:40	17.6	↑0.5
10/9 23:50	18.3	↑0.7