13 (月)	08:11	01:47	22:01	15:10
	108cm	57cm	86cm	34cm
小潮 出 06:29 入 17:17 出 - 入 10:07

那珂湊（茨城）2023年02月13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
2/13 00:00	65.6	↓-1.6
2/13 00:10	64.2	↓-1.4
2/13 00:20	62.8	↓-1.4
2/13 00:30	61.6	↓-1.2
2/13 00:40	60.5	↓-1.1
2/13 00:50	59.5	↓-1.0
2/13 01:00	58.7	↓-0.8
2/13 01:10	58.0	↓-0.7
2/13 01:20	57.5	↓-0.5
2/13 01:30	57.1	↓-0.4
2/13 01:40	57.0	↓-0.1	干潮
2/13 01:50	56.9	↓-0.1
2/13 02:00	57.1	↑0.2
2/13 02:10	57.4	↑0.3
2/13 02:20	57.9	↑0.5
2/13 02:30	58.5	↑0.6
2/13 02:40	59.3	↑0.8
2/13 02:50	60.3	↑1.0
2/13 03:00	61.4	↑1.1
2/13 03:10	62.6	↑1.2
2/13 03:20	64.0	↑1.4
2/13 03:30	65.4	↑1.4
2/13 03:40	67.0	↑1.6
2/13 03:50	68.7	↑1.7
2/13 04:00	70.4	↑1.7
2/13 04:10	72.2	↑1.8
2/13 04:20	74.1	↑1.9
2/13 04:30	76.1	↑2.0
2/13 04:40	78.0	↑1.9
2/13 04:50	80.1	↑2.1
2/13 05:00	82.1	↑2.0
2/13 05:10	84.1	↑2.0
2/13 05:20	86.1	↑2.0
2/13 05:30	88.1	↑2.0
2/13 05:40	90.0	↑1.9
2/13 05:50	91.9	↑1.9
2/13 06:00	93.8	↑1.9
2/13 06:10	95.6	↑1.8
2/13 06:20	97.3	↑1.7
2/13 06:30	98.9	↑1.6
2/13 06:40	100.4	↑1.5
2/13 06:50	101.7	↑1.3
2/13 07:00	103.0	↑1.3
2/13 07:10	104.1	↑1.1
2/13 07:20	105.1	↑1.0
2/13 07:30	105.9	↑0.8
2/13 07:40	106.5	↑0.6
2/13 07:50	107.0	↑0.5
2/13 08:00	107.3	↑0.3
2/13 08:10	107.4	↑0.1	満潮
2/13 08:20	107.3	↓-0.1
2/13 08:30	107.0	↓-0.3
2/13 08:40	106.5	↓-0.5
2/13 08:50	105.8	↓-0.7
2/13 09:00	104.9	↓-0.9
2/13 09:10	103.8	↓-1.1
2/13 09:20	102.5	↓-1.3
2/13 09:30	101.1	↓-1.4
2/13 09:40	99.4	↓-1.7
2/13 09:50	97.6	↓-1.8
2/13 10:00	95.6	↓-2.0
2/13 10:10	93.5	↓-2.1
2/13 10:20	91.2	↓-2.3
2/13 10:30	88.8	↓-2.4
2/13 10:40	86.2	↓-2.6
2/13 10:50	83.6	↓-2.6
2/13 11:00	80.9	↓-2.7
2/13 11:10	78.1	↓-2.8
2/13 11:20	75.3	↓-2.8
2/13 11:30	72.5	↓-2.8
2/13 11:40	69.6	↓-2.9	最大潮位差
2/13 11:50	66.8	↓-2.8
2/13 12:00	64.0	↓-2.8
2/13 12:10	61.2	↓-2.8
2/13 12:20	58.5	↓-2.7
2/13 12:30	55.8	↓-2.7
2/13 12:40	53.3	↓-2.5
2/13 12:50	50.9	↓-2.4
2/13 13:00	48.6	↓-2.3
2/13 13:10	46.4	↓-2.2
2/13 13:20	44.4	↓-2.0
2/13 13:30	42.5	↓-1.9
2/13 13:40	40.8	↓-1.7
2/13 13:50	39.2	↓-1.6
2/13 14:00	37.9	↓-1.3
2/13 14:10	36.7	↓-1.2
2/13 14:20	35.7	↓-1.0
2/13 14:30	34.9	↓-0.8
2/13 14:40	34.3	↓-0.6
2/13 14:50	33.8	↓-0.5
2/13 15:00	33.6	↓-0.2	干潮
2/13 15:10	33.5	↓-0.1	干潮
2/13 15:20	33.6	↑0.1
2/13 15:30	33.8	↑0.2
2/13 15:40	34.3	↑0.5
2/13 15:50	34.9	↑0.6
2/13 16:00	35.6	↑0.7
2/13 16:10	36.5	↑0.9
2/13 16:20	37.6	↑1.1
2/13 16:30	38.7	↑1.1
2/13 16:40	40.0	↑1.3
2/13 16:50	41.4	↑1.4
2/13 17:00	42.9	↑1.5
2/13 17:10	44.5	↑1.6
2/13 17:20	46.2	↑1.7
2/13 17:30	48.0	↑1.8
2/13 17:40	49.8	↑1.8
2/13 17:50	51.7	↑1.9
2/13 18:00	53.6	↑1.9
2/13 18:10	55.6	↑2.0
2/13 18:20	57.6	↑2.0
2/13 18:30	59.6	↑2.0
2/13 18:40	61.6	↑2.0
2/13 18:50	63.5	↑1.9
2/13 19:00	65.5	↑2.0
2/13 19:10	67.4	↑1.9
2/13 19:20	69.3	↑1.9
2/13 19:30	71.1	↑1.8
2/13 19:40	72.9	↑1.8
2/13 19:50	74.6	↑1.7
2/13 20:00	76.2	↑1.6
2/13 20:10	77.7	↑1.5
2/13 20:20	79.1	↑1.4
2/13 20:30	80.3	↑1.2
2/13 20:40	81.5	↑1.2
2/13 20:50	82.5	↑1.0
2/13 21:00	83.4	↑0.9
2/13 21:10	84.2	↑0.8
2/13 21:20	84.8	↑0.6
2/13 21:30	85.3	↑0.5
2/13 21:40	85.6	↑0.3
2/13 21:50	85.9	↑0.3
2/13 22:00	85.9	0	満潮
2/13 22:10	85.9	0
2/13 22:20	85.7	↓-0.2
2/13 22:30	85.3	↓-0.4
2/13 22:40	84.9	↓-0.4
2/13 22:50	84.4	↓-0.5
2/13 23:00	83.8	↓-0.6
2/13 23:10	83.1	↓-0.7
2/13 23:20	82.3	↓-0.8
2/13 23:30	81.4	↓-0.9
2/13 23:40	80.5	↓-0.9
2/13 23:50	79.6	↓-0.9