1 (土)	08:39	01:44	20:52	15:03
	109cm	44cm	86cm	54cm
小潮 出 06:40 入 17:04 出 10:37 入 23:46

那珂湊（茨城）2020年02月1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
2/1 00:00	52.6	↓-1.8
2/1 00:10	50.9	↓-1.7
2/1 00:20	49.4	↓-1.5
2/1 00:30	48.0	↓-1.4
2/1 00:40	46.8	↓-1.2
2/1 00:50	45.7	↓-1.1
2/1 01:00	44.9	↓-0.8
2/1 01:10	44.2	↓-0.7
2/1 01:20	43.6	↓-0.6
2/1 01:30	43.3	↓-0.3
2/1 01:40	43.2	↓-0.1	干潮
2/1 01:50	43.2	0
2/1 02:00	43.4	↑0.2
2/1 02:10	43.9	↑0.5
2/1 02:20	44.5	↑0.6
2/1 02:30	45.2	↑0.7
2/1 02:40	46.2	↑1.0
2/1 02:50	47.3	↑1.1
2/1 03:00	48.6	↑1.3
2/1 03:10	50.0	↑1.4
2/1 03:20	51.5	↑1.5
2/1 03:30	53.2	↑1.7
2/1 03:40	55.0	↑1.8
2/1 03:50	56.9	↑1.9
2/1 04:00	59.0	↑2.1
2/1 04:10	61.1	↑2.1
2/1 04:20	63.3	↑2.2
2/1 04:30	65.5	↑2.2
2/1 04:40	67.8	↑2.3
2/1 04:50	70.2	↑2.4	最大潮位差
2/1 05:00	72.6	↑2.4	最大潮位差
2/1 05:10	75.0	↑2.4	最大潮位差
2/1 05:20	77.4	↑2.4	最大潮位差
2/1 05:30	79.8	↑2.4	最大潮位差
2/1 05:40	82.2	↑2.4	最大潮位差
2/1 05:50	84.6	↑2.4	最大潮位差
2/1 06:00	86.9	↑2.3
2/1 06:10	89.2	↑2.3
2/1 06:20	91.4	↑2.2
2/1 06:30	93.5	↑2.1
2/1 06:40	95.5	↑2.0
2/1 06:50	97.4	↑1.9
2/1 07:00	99.2	↑1.8
2/1 07:10	100.8	↑1.6
2/1 07:20	102.4	↑1.6
2/1 07:30	103.7	↑1.3
2/1 07:40	104.9	↑1.2
2/1 07:50	105.9	↑1.0
2/1 08:00	106.8	↑0.9
2/1 08:10	107.4	↑0.6
2/1 08:20	107.9	↑0.5
2/1 08:30	108.2	↑0.3	満潮
2/1 08:40	108.2	0
2/1 08:50	108.1	↓-0.1
2/1 09:00	107.8	↓-0.3
2/1 09:10	107.2	↓-0.6
2/1 09:20	106.5	↓-0.7
2/1 09:30	105.6	↓-0.9
2/1 09:40	104.5	↓-1.1
2/1 09:50	103.2	↓-1.3
2/1 10:00	101.8	↓-1.4
2/1 10:10	100.2	↓-1.6
2/1 10:20	98.5	↓-1.7
2/1 10:30	96.6	↓-1.9
2/1 10:40	94.6	↓-2.0
2/1 10:50	92.6	↓-2.0
2/1 11:00	90.4	↓-2.2
2/1 11:10	88.2	↓-2.2
2/1 11:20	86.0	↓-2.2
2/1 11:30	83.7	↓-2.3
2/1 11:40	81.4	↓-2.3
2/1 11:50	79.1	↓-2.3
2/1 12:00	76.9	↓-2.2
2/1 12:10	74.7	↓-2.2
2/1 12:20	72.5	↓-2.2
2/1 12:30	70.4	↓-2.1
2/1 12:40	68.4	↓-2.0
2/1 12:50	66.5	↓-1.9
2/1 13:00	64.7	↓-1.8
2/1 13:10	63.0	↓-1.7
2/1 13:20	61.5	↓-1.5
2/1 13:30	60.0	↓-1.5
2/1 13:40	58.8	↓-1.2
2/1 13:50	57.6	↓-1.2
2/1 14:00	56.6	↓-1.0
2/1 14:10	55.8	↓-0.8
2/1 14:20	55.1	↓-0.7
2/1 14:30	54.5	↓-0.6
2/1 14:40	54.1	↓-0.4
2/1 14:50	53.9	↓-0.2
2/1 15:00	53.8	↓-0.1	干潮
2/1 15:10	53.8	0
2/1 15:20	54.0	↑0.2
2/1 15:30	54.3	↑0.3
2/1 15:40	54.8	↑0.5
2/1 15:50	55.3	↑0.5
2/1 16:00	56.0	↑0.7
2/1 16:10	56.8	↑0.8
2/1 16:20	57.6	↑0.8
2/1 16:30	58.6	↑1.0
2/1 16:40	59.6	↑1.0
2/1 16:50	60.8	↑1.2
2/1 17:00	62.0	↑1.2
2/1 17:10	63.2	↑1.2
2/1 17:20	64.5	↑1.3
2/1 17:30	65.9	↑1.4
2/1 17:40	67.2	↑1.3
2/1 17:50	68.6	↑1.4
2/1 18:00	70.0	↑1.4
2/1 18:10	71.4	↑1.4
2/1 18:20	72.8	↑1.4
2/1 18:30	74.2	↑1.4
2/1 18:40	75.6	↑1.4
2/1 18:50	76.9	↑1.3
2/1 19:00	78.1	↑1.2
2/1 19:10	79.3	↑1.2
2/1 19:20	80.5	↑1.2
2/1 19:30	81.5	↑1.0
2/1 19:40	82.5	↑1.0
2/1 19:50	83.3	↑0.8
2/1 20:00	84.1	↑0.8
2/1 20:10	84.7	↑0.6
2/1 20:20	85.2	↑0.5
2/1 20:30	85.5	↑0.3
2/1 20:40	85.8	↑0.3
2/1 20:50	85.9	↑0.1	満潮
2/1 21:00	85.8	↓-0.1
2/1 21:10	85.6	↓-0.2
2/1 21:20	85.3	↓-0.3
2/1 21:30	84.8	↓-0.5
2/1 21:40	84.2	↓-0.6
2/1 21:50	83.4	↓-0.8
2/1 22:00	82.6	↓-0.8
2/1 22:10	81.6	↓-1.0
2/1 22:20	80.4	↓-1.2
2/1 22:30	79.2	↓-1.2
2/1 22:40	77.9	↓-1.3
2/1 22:50	76.5	↓-1.4
2/1 23:00	75.1	↓-1.4
2/1 23:10	73.6	↓-1.5
2/1 23:20	72.1	↓-1.5
2/1 23:30	70.5	↓-1.6
2/1 23:40	68.9	↓-1.6
2/1 23:50	67.4	↓-1.5