23 (水)	08:39	01:31	19:07	13:25
	119cm	35cm	126cm	92cm
小潮 出 05:27 入 17:34 出 11:51 入 21:46

那珂湊（茨城）2020年09月23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
9/23 00:00	44.5	↓-2.3
9/23 00:10	42.4	↓-2.1
9/23 00:20	40.5	↓-1.9
9/23 00:30	38.8	↓-1.7
9/23 00:40	37.4	↓-1.4
9/23 00:50	36.3	↓-1.1
9/23 01:00	35.4	↓-0.9
9/23 01:10	34.8	↓-0.6
9/23 01:20	34.4	↓-0.4
9/23 01:30	34.3	↓-0.1	干潮
9/23 01:40	34.4	↑0.1
9/23 01:50	34.8	↑0.4
9/23 02:00	35.4	↑0.6
9/23 02:10	36.3	↑0.9
9/23 02:20	37.4	↑1.1
9/23 02:30	38.7	↑1.3
9/23 02:40	40.2	↑1.5
9/23 02:50	41.9	↑1.7
9/23 03:00	43.8	↑1.9
9/23 03:10	45.9	↑2.1
9/23 03:20	48.1	↑2.2
9/23 03:30	50.5	↑2.4
9/23 03:40	53.0	↑2.5
9/23 03:50	55.6	↑2.6
9/23 04:00	58.4	↑2.8
9/23 04:10	61.2	↑2.8
9/23 04:20	64.1	↑2.9
9/23 04:30	67.1	↑3.0
9/23 04:40	70.1	↑3.0
9/23 04:50	73.1	↑3.0
9/23 05:00	76.2	↑3.1
9/23 05:10	79.3	↑3.1
9/23 05:20	82.3	↑3.0
9/23 05:30	85.3	↑3.0
9/23 05:40	88.3	↑3.0
9/23 05:50	91.2	↑2.9
9/23 06:00	94.0	↑2.8
9/23 06:10	96.7	↑2.7
9/23 06:20	99.3	↑2.6
9/23 06:30	101.8	↑2.5
9/23 06:40	104.1	↑2.3
9/23 06:50	106.3	↑2.2
9/23 07:00	108.3	↑2.0
9/23 07:10	110.2	↑1.9
9/23 07:20	111.9	↑1.7
9/23 07:30	113.4	↑1.5
9/23 07:40	114.6	↑1.2
9/23 07:50	115.7	↑1.1
9/23 08:00	116.6	↑0.9
9/23 08:10	117.3	↑0.7
9/23 08:20	117.7	↑0.4
9/23 08:30	118.0	↑0.3	満潮
9/23 08:40	118.1	↑0.1
9/23 08:50	117.9	↓-0.2
9/23 09:00	117.6	↓-0.3
9/23 09:10	117.1	↓-0.5
9/23 09:20	116.4	↓-0.7
9/23 09:30	115.6	↓-0.8
9/23 09:40	114.7	↓-0.9
9/23 09:50	113.6	↓-1.1
9/23 10:00	112.4	↓-1.2
9/23 10:10	111.1	↓-1.3
9/23 10:20	109.7	↓-1.4
9/23 10:30	108.3	↓-1.4
9/23 10:40	106.9	↓-1.4
9/23 10:50	105.4	↓-1.5
9/23 11:00	103.9	↓-1.5
9/23 11:10	102.4	↓-1.5
9/23 11:20	101.0	↓-1.4
9/23 11:30	99.6	↓-1.4
9/23 11:40	98.3	↓-1.3
9/23 11:50	97.1	↓-1.2
9/23 12:00	95.9	↓-1.2
9/23 12:10	94.9	↓-1.0
9/23 12:20	93.9	↓-1.0
9/23 12:30	93.1	↓-0.8
9/23 12:40	92.4	↓-0.7
9/23 12:50	91.9	↓-0.5
9/23 13:00	91.5	↓-0.4
9/23 13:10	91.2	↓-0.3
9/23 13:20	91.1	↓-0.1	干潮
9/23 13:30	91.1	0
9/23 13:40	91.3	↑0.2
9/23 13:50	91.6	↑0.3
9/23 14:00	92.0	↑0.4
9/23 14:10	92.6	↑0.6
9/23 14:20	93.2	↑0.6
9/23 14:30	94.1	↑0.9
9/23 14:40	95.0	↑0.9
9/23 14:50	96.0	↑1.0
9/23 15:00	97.1	↑1.1
9/23 15:10	98.3	↑1.2
9/23 15:20	99.6	↑1.3
9/23 15:30	100.9	↑1.3
9/23 15:40	102.4	↑1.5
9/23 15:50	103.8	↑1.4
9/23 16:00	105.3	↑1.5
9/23 16:10	106.8	↑1.5
9/23 16:20	108.3	↑1.5
9/23 16:30	109.9	↑1.6
9/23 16:40	111.4	↑1.5
9/23 16:50	112.9	↑1.5
9/23 17:00	114.3	↑1.4
9/23 17:10	115.8	↑1.5
9/23 17:20	117.1	↑1.3
9/23 17:30	118.4	↑1.3
9/23 17:40	119.7	↑1.3
9/23 17:50	120.8	↑1.1
9/23 18:00	121.8	↑1.0
9/23 18:10	122.8	↑1.0
9/23 18:20	123.6	↑0.8
9/23 18:30	124.2	↑0.6
9/23 18:40	124.7	↑0.5
9/23 18:50	125.1	↑0.4
9/23 19:00	125.3	↑0.2	満潮
9/23 19:10	125.3	0
9/23 19:20	125.1	↓-0.2
9/23 19:30	124.8	↓-0.3
9/23 19:40	124.2	↓-0.6
9/23 19:50	123.4	↓-0.8
9/23 20:00	122.5	↓-0.9
9/23 20:10	121.3	↓-1.2
9/23 20:20	120.0	↓-1.3
9/23 20:30	118.4	↓-1.6
9/23 20:40	116.6	↓-1.8
9/23 20:50	114.7	↓-1.9
9/23 21:00	112.6	↓-2.1
9/23 21:10	110.2	↓-2.4
9/23 21:20	107.8	↓-2.4
9/23 21:30	105.1	↓-2.7
9/23 21:40	102.3	↓-2.8
9/23 21:50	99.4	↓-2.9
9/23 22:00	96.4	↓-3.0
9/23 22:10	93.3	↓-3.1
9/23 22:20	90.1	↓-3.2
9/23 22:30	86.8	↓-3.3
9/23 22:40	83.6	↓-3.2
9/23 22:50	80.2	↓-3.4	最大潮位差
9/23 23:00	76.9	↓-3.3
9/23 23:10	73.7	↓-3.2
9/23 23:20	70.4	↓-3.3
9/23 23:30	67.2	↓-3.2
9/23 23:40	64.1	↓-3.1
9/23 23:50	61.1	↓-3.0