1 (日)	08:15	01:29	20:48	14:50
	111cm	47cm	85cm	48cm
小潮 出 06:40 入 17:05 出 23:55 入 10:02

那珂湊（茨城）2043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	53.9	↓-1.6
2/1 00:10	52.4	↓-1.5
2/1 00:20	51.1	↓-1.3
2/1 00:30	50.0	↓-1.1
2/1 00:40	49.0	↓-1.0
2/1 00:50	48.2	↓-0.8
2/1 01:00	47.6	↓-0.6
2/1 01:10	47.2	↓-0.4
2/1 01:20	46.9	↓-0.3	干潮
2/1 01:30	46.9	0
2/1 01:40	47.0	↑0.1
2/1 01:50	47.3	↑0.3
2/1 02:00	47.8	↑0.5
2/1 02:10	48.5	↑0.7
2/1 02:20	49.3	↑0.8
2/1 02:30	50.4	↑1.1
2/1 02:40	51.6	↑1.2
2/1 02:50	52.9	↑1.3
2/1 03:00	54.4	↑1.5
2/1 03:10	56.0	↑1.6
2/1 03:20	57.8	↑1.8
2/1 03:30	59.7	↑1.9
2/1 03:40	61.6	↑1.9
2/1 03:50	63.7	↑2.1
2/1 04:00	65.9	↑2.2
2/1 04:10	68.1	↑2.2
2/1 04:20	70.5	↑2.4
2/1 04:30	72.8	↑2.3
2/1 04:40	75.2	↑2.4
2/1 04:50	77.6	↑2.4
2/1 05:00	80.0	↑2.4
2/1 05:10	82.5	↑2.5
2/1 05:20	84.9	↑2.4
2/1 05:30	87.2	↑2.3
2/1 05:40	89.6	↑2.4
2/1 05:50	91.8	↑2.2
2/1 06:00	94.0	↑2.2
2/1 06:10	96.2	↑2.2
2/1 06:20	98.2	↑2.0
2/1 06:30	100.1	↑1.9
2/1 06:40	101.9	↑1.8
2/1 06:50	103.5	↑1.6
2/1 07:00	105.0	↑1.5
2/1 07:10	106.3	↑1.3
2/1 07:20	107.5	↑1.2
2/1 07:30	108.5	↑1.0
2/1 07:40	109.3	↑0.8
2/1 07:50	109.9	↑0.6
2/1 08:00	110.3	↑0.4
2/1 08:10	110.4	↑0.1	満潮
2/1 08:20	110.4	0
2/1 08:30	110.2	↓-0.2
2/1 08:40	109.7	↓-0.5
2/1 08:50	109.1	↓-0.6
2/1 09:00	108.2	↓-0.9
2/1 09:10	107.1	↓-1.1
2/1 09:20	105.8	↓-1.3
2/1 09:30	104.4	↓-1.4
2/1 09:40	102.8	↓-1.6
2/1 09:50	101.0	↓-1.8
2/1 10:00	99.0	↓-2.0
2/1 10:10	96.9	↓-2.1
2/1 10:20	94.7	↓-2.2
2/1 10:30	92.4	↓-2.3
2/1 10:40	90.0	↓-2.4
2/1 10:50	87.6	↓-2.4
2/1 11:00	85.1	↓-2.5
2/1 11:10	82.5	↓-2.6	最大潮位差
2/1 11:20	80.0	↓-2.5
2/1 11:30	77.4	↓-2.6	最大潮位差
2/1 11:40	74.9	↓-2.5
2/1 11:50	72.4	↓-2.5
2/1 12:00	70.0	↓-2.4
2/1 12:10	67.6	↓-2.4
2/1 12:20	65.3	↓-2.3
2/1 12:30	63.1	↓-2.2
2/1 12:40	61.1	↓-2.0
2/1 12:50	59.1	↓-2.0
2/1 13:00	57.3	↓-1.8
2/1 13:10	55.7	↓-1.6
2/1 13:20	54.2	↓-1.5
2/1 13:30	52.8	↓-1.4
2/1 13:40	51.6	↓-1.2
2/1 13:50	50.6	↓-1.0
2/1 14:00	49.7	↓-0.9
2/1 14:10	49.0	↓-0.7
2/1 14:20	48.4	↓-0.6
2/1 14:30	48.1	↓-0.3
2/1 14:40	47.9	↓-0.2	干潮
2/1 14:50	47.8	↓-0.1	干潮
2/1 15:00	47.9	↑0.1
2/1 15:10	48.1	↑0.2
2/1 15:20	48.5	↑0.4
2/1 15:30	49.0	↑0.5
2/1 15:40	49.7	↑0.7
2/1 15:50	50.5	↑0.8
2/1 16:00	51.4	↑0.9
2/1 16:10	52.4	↑1.0
2/1 16:20	53.5	↑1.1
2/1 16:30	54.7	↑1.2
2/1 16:40	56.0	↑1.3
2/1 16:50	57.3	↑1.3
2/1 17:00	58.7	↑1.4
2/1 17:10	60.2	↑1.5
2/1 17:20	61.7	↑1.5
2/1 17:30	63.3	↑1.6
2/1 17:40	64.9	↑1.6
2/1 17:50	66.4	↑1.5
2/1 18:00	68.0	↑1.6
2/1 18:10	69.6	↑1.6
2/1 18:20	71.1	↑1.5
2/1 18:30	72.7	↑1.6
2/1 18:40	74.1	↑1.4
2/1 18:50	75.6	↑1.5
2/1 19:00	76.9	↑1.3
2/1 19:10	78.2	↑1.3
2/1 19:20	79.4	↑1.2
2/1 19:30	80.4	↑1.0
2/1 19:40	81.4	↑1.0
2/1 19:50	82.3	↑0.9
2/1 20:00	83.0	↑0.7
2/1 20:10	83.6	↑0.6
2/1 20:20	84.1	↑0.5
2/1 20:30	84.4	↑0.3
2/1 20:40	84.6	↑0.2	満潮
2/1 20:50	84.6	0
2/1 21:00	84.5	↓-0.1
2/1 21:10	84.3	↓-0.2
2/1 21:20	83.9	↓-0.4
2/1 21:30	83.3	↓-0.6
2/1 21:40	82.7	↓-0.6
2/1 21:50	81.9	↓-0.8
2/1 22:00	81.0	↓-0.9
2/1 22:10	79.9	↓-1.1
2/1 22:20	78.8	↓-1.1
2/1 22:30	77.6	↓-1.2
2/1 22:40	76.4	↓-1.2
2/1 22:50	75.1	↓-1.3
2/1 23:00	73.7	↓-1.4
2/1 23:10	72.3	↓-1.4
2/1 23:20	70.9	↓-1.4
2/1 23:30	69.5	↓-1.4
2/1 23:40	68.1	↓-1.4
2/1 23:50	66.8	↓-1.3