13 (土)	08:47	02:13	-	16:49
	110cm	71cm	-	44cm
長潮 出 06:28 入 17:17 出 11:20 入 00:35

日立（茨城）2038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	76.3	↓-0.7
2/13 00:10	75.5	↓-0.8
2/13 00:20	74.8	↓-0.7
2/13 00:30	74.1	↓-0.7
2/13 00:40	73.4	↓-0.7
2/13 00:50	72.8	↓-0.6
2/13 01:00	72.2	↓-0.6
2/13 01:10	71.7	↓-0.5
2/13 01:20	71.3	↓-0.4
2/13 01:30	70.9	↓-0.4
2/13 01:40	70.6	↓-0.3
2/13 01:50	70.3	↓-0.3
2/13 02:00	70.2	↓-0.1
2/13 02:10	70.1	↓-0.1	干潮
2/13 02:20	70.1	0
2/13 02:30	70.2	↑0.1
2/13 02:40	70.5	↑0.3
2/13 02:50	70.8	↑0.3
2/13 03:00	71.2	↑0.4
2/13 03:10	71.8	↑0.6
2/13 03:20	72.4	↑0.6
2/13 03:30	73.2	↑0.8
2/13 03:40	74.0	↑0.8
2/13 03:50	75.0	↑1.0
2/13 04:00	76.1	↑1.1
2/13 04:10	77.2	↑1.1
2/13 04:20	78.5	↑1.3
2/13 04:30	79.8	↑1.3
2/13 04:40	81.3	↑1.5
2/13 04:50	82.7	↑1.4
2/13 05:00	84.3	↑1.6
2/13 05:10	85.8	↑1.5
2/13 05:20	87.4	↑1.6
2/13 05:30	89.1	↑1.7
2/13 05:40	90.7	↑1.6
2/13 05:50	92.3	↑1.6
2/13 06:00	93.9	↑1.6
2/13 06:10	95.5	↑1.6
2/13 06:20	97.0	↑1.5
2/13 06:30	98.5	↑1.5
2/13 06:40	99.9	↑1.4
2/13 06:50	101.3	↑1.4
2/13 07:00	102.5	↑1.2
2/13 07:10	103.7	↑1.2
2/13 07:20	104.8	↑1.1
2/13 07:30	105.8	↑1.0
2/13 07:40	106.7	↑0.9
2/13 07:50	107.5	↑0.8
2/13 08:00	108.1	↑0.6
2/13 08:10	108.7	↑0.6
2/13 08:20	109.1	↑0.4
2/13 08:30	109.4	↑0.3
2/13 08:40	109.6	↑0.2	満潮
2/13 08:50	109.6	0
2/13 09:00	109.5	↓-0.1
2/13 09:10	109.2	↓-0.3
2/13 09:20	108.8	↓-0.4
2/13 09:30	108.2	↓-0.6
2/13 09:40	107.6	↓-0.6
2/13 09:50	106.7	↓-0.9
2/13 10:00	105.8	↓-0.9
2/13 10:10	104.7	↓-1.1
2/13 10:20	103.4	↓-1.3
2/13 10:30	102.1	↓-1.3
2/13 10:40	100.6	↓-1.5
2/13 10:50	99.1	↓-1.5
2/13 11:00	97.4	↓-1.7
2/13 11:10	95.6	↓-1.8
2/13 11:20	93.8	↓-1.8
2/13 11:30	91.9	↓-1.9
2/13 11:40	90.0	↓-1.9
2/13 11:50	88.0	↓-2.0
2/13 12:00	85.9	↓-2.1
2/13 12:10	83.8	↓-2.1
2/13 12:20	81.8	↓-2.0
2/13 12:30	79.6	↓-2.2	最大潮位差
2/13 12:40	77.5	↓-2.1
2/13 12:50	75.4	↓-2.1
2/13 13:00	73.3	↓-2.1
2/13 13:10	71.2	↓-2.1
2/13 13:20	69.1	↓-2.1
2/13 13:30	67.1	↓-2.0
2/13 13:40	65.1	↓-2.0
2/13 13:50	63.1	↓-2.0
2/13 14:00	61.2	↓-1.9
2/13 14:10	59.3	↓-1.9
2/13 14:20	57.5	↓-1.8
2/13 14:30	55.7	↓-1.8
2/13 14:40	54.1	↓-1.6
2/13 14:50	52.5	↓-1.6
2/13 15:00	51.0	↓-1.5
2/13 15:10	49.7	↓-1.3
2/13 15:20	48.4	↓-1.3
2/13 15:30	47.3	↓-1.1
2/13 15:40	46.2	↓-1.1
2/13 15:50	45.4	↓-0.8
2/13 16:00	44.6	↓-0.8
2/13 16:10	44.0	↓-0.6
2/13 16:20	43.6	↓-0.4
2/13 16:30	43.2	↓-0.4
2/13 16:40	43.1	↓-0.1	干潮
2/13 16:50	43.0	↓-0.1
2/13 17:00	43.1	↑0.1
2/13 17:10	43.4	↑0.3
2/13 17:20	43.7	↑0.3
2/13 17:30	44.2	↑0.5
2/13 17:40	44.8	↑0.6
2/13 17:50	45.5	↑0.7
2/13 18:00	46.3	↑0.8
2/13 18:10	47.2	↑0.9
2/13 18:20	48.1	↑0.9
2/13 18:30	49.2	↑1.1
2/13 18:40	50.3	↑1.1
2/13 18:50	51.5	↑1.2
2/13 19:00	52.7	↑1.2
2/13 19:10	54.0	↑1.3
2/13 19:20	55.3	↑1.3
2/13 19:30	56.6	↑1.3
2/13 19:40	58.0	↑1.4
2/13 19:50	59.4	↑1.4
2/13 20:00	60.8	↑1.4
2/13 20:10	62.2	↑1.4
2/13 20:20	63.7	↑1.5
2/13 20:30	65.1	↑1.4
2/13 20:40	66.4	↑1.3
2/13 20:50	67.8	↑1.4
2/13 21:00	69.1	↑1.3
2/13 21:10	70.4	↑1.3
2/13 21:20	71.6	↑1.2
2/13 21:30	72.8	↑1.2
2/13 21:40	73.9	↑1.1
2/13 21:50	75.0	↑1.1
2/13 22:00	75.9	↑0.9
2/13 22:10	76.8	↑0.9
2/13 22:20	77.6	↑0.8
2/13 22:30	78.4	↑0.8
2/13 22:40	79.0	↑0.6
2/13 22:50	79.6	↑0.6
2/13 23:00	80.1	↑0.5
2/13 23:10	80.6	↑0.5
2/13 23:20	80.9	↑0.3
2/13 23:30	81.3	↑0.4
2/13 23:40	81.5	↑0.2
2/13 23:50	81.7	↑0.2