13 (月)	00:39	03:03	09:35	18:13
	81cm	80cm	108cm	40cm
長潮 出 06:28 入 17:17 出 01:26 入 11:58

日立（茨城）2034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	80.2	↑0.1
2/13 00:10	80.3	↑0.1
2/13 00:20	80.4	↑0.1
2/13 00:30	80.4	0	満潮
2/13 00:40	80.4	0
2/13 00:50	80.4	0
2/13 01:00	80.4	0
2/13 01:10	80.3	↓-0.1
2/13 01:20	80.2	↓-0.1
2/13 01:30	80.1	↓-0.1
2/13 01:40	80.0	↓-0.1
2/13 01:50	79.9	↓-0.1
2/13 02:00	79.8	↓-0.1
2/13 02:10	79.6	↓-0.2
2/13 02:20	79.5	↓-0.1
2/13 02:30	79.4	↓-0.1
2/13 02:40	79.3	↓-0.1
2/13 02:50	79.2	↓-0.1
2/13 03:00	79.2	0	干潮
2/13 03:10	79.2	0
2/13 03:20	79.3	↑0.1
2/13 03:30	79.4	↑0.1
2/13 03:40	79.6	↑0.2
2/13 03:50	79.8	↑0.2
2/13 04:00	80.2	↑0.4
2/13 04:10	80.6	↑0.4
2/13 04:20	81.1	↑0.5
2/13 04:30	81.6	↑0.5
2/13 04:40	82.3	↑0.7
2/13 04:50	83.0	↑0.7
2/13 05:00	83.8	↑0.8
2/13 05:10	84.7	↑0.9
2/13 05:20	85.6	↑0.9
2/13 05:30	86.6	↑1.0
2/13 05:40	87.6	↑1.0
2/13 05:50	88.7	↑1.1
2/13 06:00	89.8	↑1.1
2/13 06:10	90.9	↑1.1
2/13 06:20	92.1	↑1.2
2/13 06:30	93.2	↑1.1
2/13 06:40	94.4	↑1.2
2/13 06:50	95.5	↑1.1
2/13 07:00	96.7	↑1.2
2/13 07:10	97.8	↑1.1
2/13 07:20	98.9	↑1.1
2/13 07:30	99.9	↑1.0
2/13 07:40	100.9	↑1.0
2/13 07:50	101.9	↑1.0
2/13 08:00	102.8	↑0.9
2/13 08:10	103.7	↑0.9
2/13 08:20	104.5	↑0.8
2/13 08:30	105.2	↑0.7
2/13 08:40	105.8	↑0.6
2/13 08:50	106.3	↑0.5
2/13 09:00	106.8	↑0.5
2/13 09:10	107.1	↑0.3
2/13 09:20	107.3	↑0.2
2/13 09:30	107.4	↑0.1	満潮
2/13 09:40	107.4	0
2/13 09:50	107.3	↓-0.1
2/13 10:00	107.0	↓-0.3
2/13 10:10	106.6	↓-0.4
2/13 10:20	106.1	↓-0.5
2/13 10:30	105.5	↓-0.6
2/13 10:40	104.7	↓-0.8
2/13 10:50	103.8	↓-0.9
2/13 11:00	102.8	↓-1.0
2/13 11:10	101.7	↓-1.1
2/13 11:20	100.5	↓-1.2
2/13 11:30	99.2	↓-1.3
2/13 11:40	97.8	↓-1.4
2/13 11:50	96.3	↓-1.5
2/13 12:00	94.7	↓-1.6
2/13 12:10	93.1	↓-1.6
2/13 12:20	91.4	↓-1.7
2/13 12:30	89.6	↓-1.8
2/13 12:40	87.8	↓-1.8
2/13 12:50	85.9	↓-1.9
2/13 13:00	84.1	↓-1.8
2/13 13:10	82.1	↓-2.0
2/13 13:20	80.2	↓-1.9
2/13 13:30	78.2	↓-2.0
2/13 13:40	76.2	↓-2.0
2/13 13:50	74.2	↓-2.0
2/13 14:00	72.2	↓-2.0
2/13 14:10	70.2	↓-2.0
2/13 14:20	68.1	↓-2.1	最大潮位差
2/13 14:30	66.1	↓-2.0
2/13 14:40	64.1	↓-2.0
2/13 14:50	62.1	↓-2.0
2/13 15:00	60.2	↓-1.9
2/13 15:10	58.3	↓-1.9
2/13 15:20	56.4	↓-1.9
2/13 15:30	54.6	↓-1.8
2/13 15:40	52.9	↓-1.7
2/13 15:50	51.2	↓-1.7
2/13 16:00	49.7	↓-1.5
2/13 16:10	48.2	↓-1.5
2/13 16:20	46.8	↓-1.4
2/13 16:30	45.6	↓-1.2
2/13 16:40	44.4	↓-1.2
2/13 16:50	43.4	↓-1.0
2/13 17:00	42.5	↓-0.9
2/13 17:10	41.7	↓-0.8
2/13 17:20	41.0	↓-0.7
2/13 17:30	40.5	↓-0.5
2/13 17:40	40.1	↓-0.4
2/13 17:50	39.8	↓-0.3
2/13 18:00	39.6	↓-0.2
2/13 18:10	39.5	↓-0.1	干潮
2/13 18:20	39.6	↑0.1
2/13 18:30	39.7	↑0.1
2/13 18:40	40.0	↑0.3
2/13 18:50	40.3	↑0.3
2/13 19:00	40.8	↑0.5
2/13 19:10	41.3	↑0.5
2/13 19:20	42.0	↑0.7
2/13 19:30	42.8	↑0.8
2/13 19:40	43.6	↑0.8
2/13 19:50	44.6	↑1.0
2/13 20:00	45.6	↑1.0
2/13 20:10	46.7	↑1.1
2/13 20:20	47.9	↑1.2
2/13 20:30	49.2	↑1.3
2/13 20:40	50.6	↑1.4
2/13 20:50	52.0	↑1.4
2/13 21:00	53.5	↑1.5
2/13 21:10	55.1	↑1.6
2/13 21:20	56.6	↑1.5
2/13 21:30	58.3	↑1.7
2/13 21:40	59.9	↑1.6
2/13 21:50	61.5	↑1.6
2/13 22:00	63.2	↑1.7
2/13 22:10	64.8	↑1.6
2/13 22:20	66.4	↑1.6
2/13 22:30	68.0	↑1.6
2/13 22:40	69.6	↑1.6
2/13 22:50	71.1	↑1.5
2/13 23:00	72.6	↑1.5
2/13 23:10	74.0	↑1.4
2/13 23:20	75.4	↑1.4
2/13 23:30	76.7	↑1.3
2/13 23:40	78.0	↑1.3
2/13 23:50	79.2	↑1.2