9 (月)	13:59	05:49	23:14	19:36
	118cm	44cm	105cm	98cm
長潮 出 05:39 入 17:12 出 00:05 入 14:49

那珂湊（茨城）2023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	95.1	↓-1.5
10/9 00:10	93.5	↓-1.6
10/9 00:20	91.8	↓-1.7
10/9 00:30	90.0	↓-1.8
10/9 00:40	88.2	↓-1.8
10/9 00:50	86.4	↓-1.8
10/9 01:00	84.5	↓-1.9
10/9 01:10	82.5	↓-2.0
10/9 01:20	80.5	↓-2.0
10/9 01:30	78.5	↓-2.0
10/9 01:40	76.5	↓-2.0
10/9 01:50	74.5	↓-2.0
10/9 02:00	72.5	↓-2.0
10/9 02:10	70.5	↓-2.0
10/9 02:20	68.5	↓-2.0
10/9 02:30	66.5	↓-2.0
10/9 02:40	64.6	↓-1.9
10/9 02:50	62.7	↓-1.9
10/9 03:00	60.8	↓-1.9
10/9 03:10	59.0	↓-1.8
10/9 03:20	57.3	↓-1.7
10/9 03:30	55.6	↓-1.7
10/9 03:40	54.0	↓-1.6
10/9 03:50	52.5	↓-1.5
10/9 04:00	51.1	↓-1.4
10/9 04:10	49.8	↓-1.3
10/9 04:20	48.6	↓-1.2
10/9 04:30	47.5	↓-1.1
10/9 04:40	46.5	↓-1.0
10/9 04:50	45.6	↓-0.9
10/9 05:00	44.8	↓-0.8
10/9 05:10	44.2	↓-0.6
10/9 05:20	43.7	↓-0.5
10/9 05:30	43.4	↓-0.3
10/9 05:40	43.2	↓-0.2	干潮
10/9 05:50	43.2	0
10/9 06:00	43.3	↑0.1
10/9 06:10	43.5	↑0.2
10/9 06:20	43.9	↑0.4
10/9 06:30	44.5	↑0.6
10/9 06:40	45.2	↑0.7
10/9 06:50	46.1	↑0.9
10/9 07:00	47.2	↑1.1
10/9 07:10	48.4	↑1.2
10/9 07:20	49.7	↑1.3
10/9 07:30	51.2	↑1.5
10/9 07:40	52.8	↑1.6
10/9 07:50	54.6	↑1.8
10/9 08:00	56.5	↑1.9
10/9 08:10	58.5	↑2.0
10/9 08:20	60.6	↑2.1
10/9 08:30	62.8	↑2.2
10/9 08:40	65.1	↑2.3
10/9 08:50	67.4	↑2.3
10/9 09:00	69.8	↑2.4
10/9 09:10	72.3	↑2.5
10/9 09:20	74.8	↑2.5
10/9 09:30	77.3	↑2.5
10/9 09:40	79.8	↑2.5
10/9 09:50	82.4	↑2.6	最大潮位差
10/9 10:00	84.9	↑2.5
10/9 10:10	87.3	↑2.4
10/9 10:20	89.8	↑2.5
10/9 10:30	92.2	↑2.4
10/9 10:40	94.5	↑2.3
10/9 10:50	96.7	↑2.2
10/9 11:00	98.9	↑2.2
10/9 11:10	100.9	↑2.0
10/9 11:20	102.9	↑2.0
10/9 11:30	104.8	↑1.9
10/9 11:40	106.5	↑1.7
10/9 11:50	108.1	↑1.6
10/9 12:00	109.6	↑1.5
10/9 12:10	111.0	↑1.4
10/9 12:20	112.3	↑1.3
10/9 12:30	113.4	↑1.1
10/9 12:40	114.4	↑1.0
10/9 12:50	115.3	↑0.9
10/9 13:00	116.0	↑0.7
10/9 13:10	116.6	↑0.6
10/9 13:20	117.1	↑0.5
10/9 13:30	117.5	↑0.4
10/9 13:40	117.7	↑0.2
10/9 13:50	117.9	↑0.2	満潮
10/9 14:00	117.9	0
10/9 14:10	117.8	↓-0.1
10/9 14:20	117.6	↓-0.2
10/9 14:30	117.4	↓-0.2
10/9 14:40	117.0	↓-0.4
10/9 14:50	116.5	↓-0.5
10/9 15:00	116.0	↓-0.5
10/9 15:10	115.4	↓-0.6
10/9 15:20	114.7	↓-0.7
10/9 15:30	114.0	↓-0.7
10/9 15:40	113.2	↓-0.8
10/9 15:50	112.4	↓-0.8
10/9 16:00	111.5	↓-0.9
10/9 16:10	110.6	↓-0.9
10/9 16:20	109.7	↓-0.9
10/9 16:30	108.8	↓-0.9
10/9 16:40	107.8	↓-1.0
10/9 16:50	106.9	↓-0.9
10/9 17:00	105.9	↓-1.0
10/9 17:10	105.0	↓-0.9
10/9 17:20	104.1	↓-0.9
10/9 17:30	103.2	↓-0.9
10/9 17:40	102.4	↓-0.8
10/9 17:50	101.6	↓-0.8
10/9 18:00	100.8	↓-0.8
10/9 18:10	100.1	↓-0.7
10/9 18:20	99.5	↓-0.6
10/9 18:30	99.0	↓-0.5
10/9 18:40	98.5	↓-0.5
10/9 18:50	98.1	↓-0.4
10/9 19:00	97.7	↓-0.4
10/9 19:10	97.5	↓-0.2
10/9 19:20	97.3	↓-0.2
10/9 19:30	97.2	↓-0.1	干潮
10/9 19:40	97.2	0
10/9 19:50	97.3	↑0.1
10/9 20:00	97.5	↑0.2
10/9 20:10	97.7	↑0.2
10/9 20:20	98.0	↑0.3
10/9 20:30	98.3	↑0.3
10/9 20:40	98.7	↑0.4
10/9 20:50	99.2	↑0.5
10/9 21:00	99.6	↑0.4
10/9 21:10	100.2	↑0.6
10/9 21:20	100.7	↑0.5
10/9 21:30	101.2	↑0.5
10/9 21:40	101.8	↑0.6
10/9 21:50	102.3	↑0.5
10/9 22:00	102.8	↑0.5
10/9 22:10	103.3	↑0.5
10/9 22:20	103.7	↑0.4
10/9 22:30	104.1	↑0.4
10/9 22:40	104.4	↑0.3
10/9 22:50	104.6	↑0.2
10/9 23:00	104.8	↑0.2
10/9 23:10	104.9	↑0.1	満潮
10/9 23:20	104.8	↓-0.1
10/9 23:30	104.7	↓-0.1
10/9 23:40	104.5	↓-0.2
10/9 23:50	104.2	↓-0.3