9 (水)	08:25	01:44	19:27	13:14
	109cm	52cm	125cm	83cm
小潮 出 05:16 入 17:55 出 21:47 入 11:23

那珂湊（茨城）2020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	62.4	↓-2.1
9/9 00:10	60.4	↓-2.0
9/9 00:20	58.5	↓-1.9
9/9 00:30	56.9	↓-1.6
9/9 00:40	55.5	↓-1.4
9/9 00:50	54.3	↓-1.2
9/9 01:00	53.3	↓-1.0
9/9 01:10	52.5	↓-0.8
9/9 01:20	51.9	↓-0.6
9/9 01:30	51.5	↓-0.4
9/9 01:40	51.4	↓-0.1	干潮
9/9 01:50	51.4	0
9/9 02:00	51.7	↑0.3
9/9 02:10	52.1	↑0.4
9/9 02:20	52.8	↑0.7
9/9 02:30	53.6	↑0.8
9/9 02:40	54.6	↑1.0
9/9 02:50	55.7	↑1.1
9/9 03:00	57.0	↑1.3
9/9 03:10	58.4	↑1.4
9/9 03:20	60.0	↑1.6
9/9 03:30	61.7	↑1.7
9/9 03:40	63.5	↑1.8
9/9 03:50	65.4	↑1.9
9/9 04:00	67.3	↑1.9
9/9 04:10	69.4	↑2.1
9/9 04:20	71.5	↑2.1
9/9 04:30	73.6	↑2.1
9/9 04:40	75.8	↑2.2
9/9 04:50	78.0	↑2.2
9/9 05:00	80.2	↑2.2
9/9 05:10	82.4	↑2.2
9/9 05:20	84.5	↑2.1
9/9 05:30	86.7	↑2.2
9/9 05:40	88.8	↑2.1
9/9 05:50	90.8	↑2.0
9/9 06:00	92.8	↑2.0
9/9 06:10	94.7	↑1.9
9/9 06:20	96.6	↑1.9
9/9 06:30	98.3	↑1.7
9/9 06:40	99.9	↑1.6
9/9 06:50	101.4	↑1.5
9/9 07:00	102.8	↑1.4
9/9 07:10	104.1	↑1.3
9/9 07:20	105.2	↑1.1
9/9 07:30	106.1	↑0.9
9/9 07:40	106.9	↑0.8
9/9 07:50	107.6	↑0.7
9/9 08:00	108.0	↑0.4
9/9 08:10	108.4	↑0.4
9/9 08:20	108.5	↑0.1	満潮
9/9 08:30	108.5	0
9/9 08:40	108.3	↓-0.2
9/9 08:50	108.0	↓-0.3
9/9 09:00	107.5	↓-0.5
9/9 09:10	106.9	↓-0.6
9/9 09:20	106.1	↓-0.8
9/9 09:30	105.3	↓-0.8
9/9 09:40	104.3	↓-1.0
9/9 09:50	103.2	↓-1.1
9/9 10:00	102.0	↓-1.2
9/9 10:10	100.7	↓-1.3
9/9 10:20	99.4	↓-1.3
9/9 10:30	98.0	↓-1.4
9/9 10:40	96.6	↓-1.4
9/9 10:50	95.2	↓-1.4
9/9 11:00	93.8	↓-1.4
9/9 11:10	92.4	↓-1.4
9/9 11:20	91.1	↓-1.3
9/9 11:30	89.8	↓-1.3
9/9 11:40	88.5	↓-1.3
9/9 11:50	87.4	↓-1.1
9/9 12:00	86.4	↓-1.0
9/9 12:10	85.4	↓-1.0
9/9 12:20	84.6	↓-0.8
9/9 12:30	83.9	↓-0.7
9/9 12:40	83.4	↓-0.5
9/9 12:50	82.9	↓-0.5
9/9 13:00	82.7	↓-0.2
9/9 13:10	82.5	↓-0.2	干潮
9/9 13:20	82.6	↑0.1
9/9 13:30	82.8	↑0.2
9/9 13:40	83.1	↑0.3
9/9 13:50	83.6	↑0.5
9/9 14:00	84.2	↑0.6
9/9 14:10	84.9	↑0.7
9/9 14:20	85.8	↑0.9
9/9 14:30	86.8	↑1.0
9/9 14:40	87.9	↑1.1
9/9 14:50	89.2	↑1.3
9/9 15:00	90.5	↑1.3
9/9 15:10	91.9	↑1.4
9/9 15:20	93.4	↑1.5
9/9 15:30	94.9	↑1.5
9/9 15:40	96.6	↑1.7
9/9 15:50	98.2	↑1.6
9/9 16:00	99.9	↑1.7
9/9 16:10	101.6	↑1.7
9/9 16:20	103.3	↑1.7
9/9 16:30	105.1	↑1.8
9/9 16:40	106.8	↑1.7
9/9 16:50	108.5	↑1.7
9/9 17:00	110.1	↑1.6
9/9 17:10	111.8	↑1.7
9/9 17:20	113.3	↑1.5
9/9 17:30	114.8	↑1.5
9/9 17:40	116.3	↑1.5
9/9 17:50	117.6	↑1.3
9/9 18:00	118.9	↑1.3
9/9 18:10	120.0	↑1.1
9/9 18:20	121.0	↑1.0
9/9 18:30	122.0	↑1.0
9/9 18:40	122.7	↑0.7
9/9 18:50	123.4	↑0.7
9/9 19:00	123.9	↑0.5
9/9 19:10	124.2	↑0.3
9/9 19:20	124.4	↑0.2	満潮
9/9 19:30	124.4	0
9/9 19:40	124.3	↓-0.1
9/9 19:50	123.9	↓-0.4
9/9 20:00	123.4	↓-0.5
9/9 20:10	122.7	↓-0.7
9/9 20:20	121.8	↓-0.9
9/9 20:30	120.7	↓-1.1
9/9 20:40	119.5	↓-1.2
9/9 20:50	118.1	↓-1.4
9/9 21:00	116.5	↓-1.6
9/9 21:10	114.7	↓-1.8
9/9 21:20	112.8	↓-1.9
9/9 21:30	110.7	↓-2.1
9/9 21:40	108.5	↓-2.2
9/9 21:50	106.1	↓-2.4
9/9 22:00	103.6	↓-2.5
9/9 22:10	101.1	↓-2.5
9/9 22:20	98.4	↓-2.7
9/9 22:30	95.7	↓-2.7
9/9 22:40	92.9	↓-2.8
9/9 22:50	90.1	↓-2.8
9/9 23:00	87.2	↓-2.9	最大潮位差
9/9 23:10	84.4	↓-2.8
9/9 23:20	81.5	↓-2.9	最大潮位差
9/9 23:30	78.7	↓-2.8
9/9 23:40	76.0	↓-2.7
9/9 23:50	73.3	↓-2.7